4l80e application chart. (APP) Sensor instead of the TPS.

4l80e application chart 4L80 Apply Chart Figure 12 ©2024 Sonnax Transmission Company, Inc. 4L80E QUICK REFERENCE; 4R100 QUICK REFERENCE; 4R70W QUICK REFERENCE; 4T40-E QUICK REFERENCE; 4T60 440-T4 QUICK REFERENCE; 4T60-E 65E QUICK REFERENCE; 4T80-E QUICK REFERENCE; Freewheel App; Resources Links; Publication Corrections; Seminar Book Index; Education. • A Marmon/Berkshire Hathaway Company 34200-40K-IN 04-11-24 800-843-2600 • 802-463-9722 • F: 802-463-4059 • www. Steve Chryssos. Since the solenoid went through a design change you must be certain that you are using the correct replacement part. keep those TECH TIPS coming. 3. The only These solenoid reference charts provide that information. Does a larger gear ratio increase torque or speed? A larger gear ratio (numerically higher) increases torque at the wheels but reduces top speed. The folowing chart can be used to determine pressure using scanner to command pressure at all settings to determine epc function/pump and internal leaks. The automatic shift, four-speed overdrive is longitudinally positioned, can function in different heavy-duty four-wheels, and is electronically The recommended components for extreme duty applications are an aluminum TH400 forward or direct clutch piston or production 4L80E direct clutch piston with the overall work surface height @ approximately . Line pressure and shift feel are also controlled electronically with You answered this guys question as he stated, "1992 Chevy Van G30 with 5. Because of the application, the 4L80E is much heavier and larger than the other transmission. 527. 107” (1. 4L80E 14L85E —e 181 310 211* 380 177 Input Shaft RWD 4 speed RWD 4 speed 136 86 650 O. 080” full waffle clutch plates (614). You will need an infrared temp gun and a this temperature reference chart. The motorhome and other HD applications came with straight cut planetary gears instead of the conventional (and quieter) helical cut gears. FIGURE 1. A critical mea Quality Reman Transmissions and Transmissions Parts for Ford, Chevy, Dodge, GMC, Jeep, Lincoln, Pontiac Olds and More. Rated up to 800 HP & a stall speed of 2900-3200 RPM, our 4L80E torque converters are ideal for a variety of applications. Applications for this Product. GEAR 1-2 To help cure everyone’s winter woes — at least where the 4L80-E OD roller clutch is concerned — Sonnax offers Smart-Tech overrun clutch valve kit 34200-40K for '97-later 4L80-E and 4L85-E units. Clutch pack clearance is . 100 PSI of converter charge pressure generates 89 pounds of rearward thrust on the overdrive planetary gearset, forward clutch housing, and mainshaft. 390 000 km. Status Not open for further replies. One chart shows a transmission with the stock pan holding between 10 and 12 quarts of transmission fluid. Whereas the TH400 had only 3 forward speeds, the 4L80 features an overdrive 4th gear. Carbureted / Mechanically-Injected Diesel Attach the 3 Throttle Position wires from the Quick 4 to the Throttle Position Sensor. 72mm) check with feeler gauge between 4L80 Apply Chart Figure 11 ©2017 Sonnax Industries, Inc. The 6L80E is better for specific applications than a 4L80E, and vice versa. com. M. But be sure you understand the 4L60 transmission interchange chart to swap without fuss. Rear band means the band furthest away from the torque converter. Company. SMALL BLOCK: BIG BLOCK: Street Rodder™ Stock - 260° The 4L60E transmission was widely available in a large number of GM truck, van, and SUV applications, as well as in rear-wheel drive car applications. 4T60-E -- click here for Application ID charts. However, the 4L85E can handle more torque (460 lb-ft of torque) than the 4L80E transmission. This fluid is for Automatic transmissions This chart should act as a guideline only! Your stall speed may vary in your specific application. Some of the most popular car applications were the Chevrolet Looking at the 4L80E Clutch Application chart, I see that the Forward Clutch is applied in low gear, in all Ranges, be it OD, D, Manual 2, or Manual Low, and the Direct Clutch is NOT applied. 8 leaf springs, k&n air filter, cleaned CDRV, high idle mod, cat cut out, The Altra-4L80e document says the clearance should be between 0. This connector is located on the TCM waterproof box 1997 GMC Sierra 2500 SL 4x4 6. 06 first gear which is good for initial take off but this makes the transmission have the widest ratio Continue reading GM 4-Speed Auto → For use with TH400, 4L80-E, Muncie M20, 21 & 22, BorgWarner T10 (Non-Roller Bearing). 700R4, 4L60E and 4L80EThe formatting, information and presentation will look very similar to the above but specific to those other transmission families. This made the 4L80-E transmission an essential part of General Motors’ drivetrain arsenal, being used in a diverse tenure of high expectation applications. 48:1 rear axle ratio, this combination would be exactly the same as an early Find great 4L80E and tech information from Global Transmission Parts. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. Hence, it can be considered as a TH400 with overdrive, a lockup torque converter, as well as advanced electronic controls. Based on what you've described thus far, I think it's valve body but obviously, could be wrong. 3303 • info@fitzall. Sonnax T3-3-2431HP Forged Chromoly Performance Slip Yokes are a big improvement over factory style transmission yokes, with strength and durability at an great price. 530", to accommodate the revised apply pin anchor, as illustrated in Figure 2. The 6L80 would have big shoes to fill, with legendary predecessors like the TH400, 4L80E and 4L60E transmissions. So I am in the tight end. • Inspect the crank pilot bore for wear and apply grease to bore to aid installation • Install supplied tail shaft housing gaskets and seals as applicable 80 ill. Documents: Application Chart: Search Our Products: Category: SKU/Item Number: Keywords: Fitzall Toll Free: 1. 100. Otherwise 2005 4L80E when used with: 4. In heavy duty and high performance applications, you’ll want to Application Chart: 4L80/85-E Heavy Duty Remanufactured Valve Body with Overrun Clutch Manifold Installed Figure 4 Solenoid Wire Colors OHM Value SSA Green & Red 20–40 Ohms SSB Yellow & Red 20–40 Ohms EPC Blue & Purple 3–6 Ohms TCC Red & Black 10–15 Ohms Figure 2 Figure 3 Overrun Clutch Forward Clutch 4th Clutch 4L80-E Pump Cover 3 * VB-FIX Required GM 4L80-E, 4L85-E Symptoms/Part Type Product Name Part No. The 4l80 trouble tree is below. 5L diesel with The latest 4l80E I’ve worked on was a 2000 with no reverse. 4L80E converter applications and part numbers. It shows: 1) Various gears, shafts, clutches, and other internal components connected through linkages. It has better power flow for big power applications, much more clutch capacity and apply area than the 4L60E. All things being equal the 4L80E is a much better transmission for most applications. This kit includes a modified OEM TH400 Direct Clutch Piston which provides positive seating for In this EPIC level of technical detail video we go over how to identify the correct casting numbers, intended engine application, and assembly date for the G Application: Issue Date: All Band Adjustments Miscellaneous, All Makes January, 2008 Band Adjustment Chart NOTE: On Transaxle models, the “Front Band” means the band closest to the toque converter. The 4L80 and TH400 have identical ratios, with the exception of the 4L80's 0. Curt from Monster Transmission uses some 4L80E transmission cores to show the external differences between the early and late models. 10 gear. Kit comes complete with installation instructions. 56:1First gear ratio with a theoretical 2. 48:1 rear axle ratio, this combination would be exactly the same as an early Powerglide Planetary Low Gear Ratios. 4 L 80 E /4L85E 34300E Rear Wheel Drive Chevrolet & GMC Trucks & Vans, G10, G30, Astro, Safari, Blazer, GMC Yukon, To help cure everyone’s winter woes — at least where the 4L80-E OD roller clutch is concerned — Sonnax offers Smart-Tech overrun clutch valve kit 34200-40K for '97-later 4L80-E and 4L85-E units. That seems to be a bit on the low side so you should check with your owner’s manual, or your dealer to get the right amount to use. GMT800 4L60E calibrations do this much lower, in the This is the ATSG 6L80 Shop manual. How To Access The 4L80e Shift Solenoid Location: Step-by-Step Guide. OE Valve Body Code Number Stamped on Original Plate Order Sonnax Part Number Unit Fitment; A028/B028: 1087-327-099: 35740-028: ZF8HP45, ZF8HP55, ZF8HP70 GM 4L60E automatic transmission specifications, gear ratios, model year changes, application information, and additional details on the long-lived transmission platform. Details Tooling Multiple Symptoms Comprehensive kit for big problems you don't want back The Sure Cure® Kit SC-4L80E 77754-TL TCC/Lockup Symptoms No converter apply, Burnt converter O-Ringed End Plug Kit 34994-13 Fits TCC valve bore with . Sprag 116 156 864 214 580 868 861 580-6 880 4L80E 4L85E 070 034 500 510 036 530 140 127 100 VF,V 4th Clutch 120 040 3 127 335 128 960 560 970 038 178 551 52 Stator 545 311 037 561 2 2 126 Direct Clutch Pump Parts 341 O. In the case of no reverse, the players inside the transmission are: The 4L60E uses a 6. This upgrade features in most GM trucks, vans, SUVs, and rear-wheel drive vehicle applications. It's known for its efficiency in smaller trucks and passenger cars. jpg. This fluid is for Automatic transmissions For roller bearing tail housing; TH400, 4L80-E; Powerglide with 32-tooth spline; G-Force GSR manual transmission Material: Forged 4340 Chromoly Counter Bore (Y/N): Yes First off, a 4L80e can't take "700+whp" stock. It’s designed to handle high torque and power, ensuring your vehicle runs smoothly. Next Post . APPLICATION COVERAGE This system works with 4L60E, 4L65E, 4L70E, 4L80E, and 4L85E automatic transmissions (4L60E 1996 and up only). The 4L60E family of transmissions uses 2 shift solenoids, initially called Shift Solenoid A & Shift Solenoid B, later changed to comply with OBD II (On-Board Diagnostics revision 2) regulations to 1-2 Shift INTRODUCTION PASSAGE ID / AIR CHECK No part of any ATSG publication may be reproduced, stored in any retrieval system or transmitted in any form or Whereas applications with four-wheel drives were fitted with a more durable aluminum covering. Code 22-APP sensor #1 voltage less than . com: Home | Printable due to abuse, improper application, or connection of the device. The torque converter clutch apply and release is controlled by a pulse width modulated (PWM) The 4L80E Transmission system is equipped with a computer called the Transmission ControlModule (TCM), located in the left/rear passenger seat compartment which interprets, ana-lyzes and records electronic signals from sensors and switches located on the engine, brakepedal, and transmission. In reverse, it uses both chambers and gets full apply force. Typical 4L80E converter charge pressure during high load is usually around 100 PSI, with a maximum line pressure of 180 PSI. pdf (400 KB) Install Guide- 4L80E (2). 700R4/4L60E’s have a low 3. This connector is located on the TCM waterproof box Once you have found the automatic transmission, locating the 4L80e shift solenoid here shouldn’t be any hassle. Despite their differences, they share many of the same components and have due to abuse, improper application, or connection of the device. Identifying the year of production is important for a variety of reasons including fitment and compatibility for swaps, internal hard part replacement, computer calibration and programming and others. internal integrity, and a component application chart for trouble-shooting driveability issues. This forward clutch upgraded Powerpack is made in the USA by Alto for high performance GM 4L80E transmissions. 2 THM 4L80-E AUTOMATIC TRANSMISSION SERVICE GROUP 18639 SW 107TH AVENUE MIAMI, FLORIDA 33157 (305) 670-4161 tables and charts. 1" to spare as band wears. "Portions of materials contained herein have been reprinted under (TCC) apply speed, apply feel, and the release electronically with a solenoid. communications or carbureted applications equipped with a s tandalone T hrottle Position Sensor (TPS). Transmission control module adjustment would lead to APPLICATION COVERAGE This system works with 4L80E and 4L85E automatic transmissions, as well as 4L60E, 4L65E, and 4L70E automatic transmissions from 2008 and earlier. No Core Charge on Most*. This Dipstick seals with double O-rings. Hope this 1 031711K Bottom Apply Plate (. This precision valve has a PTFE seal to prevent the cross-leaking of converter signal and converter feed oil. The code is the four digit code off Read more about the 4L80E in this edition of Wrenchin' @ Random's Trans Tech. An analysis of most I have disassembled show signs of distress at the steel plates indicating the yield of the material has been reached repeatedly. CONTENTS Connecting the Essentials Page 4 This chart should act as a guideline only! Your stall speed may vary in your specific application. Once you modified the 4l80e and use a higher stall converter the shift times may not be reported properly in the ECU and this could lead to over-adaption (crazy pressure adjustments automatically). The number of bolts that both contain is also different. Many people have bought GM crate 4l85e's for the 06-07 duramax van, and Rear Includes all 4WD and limited slip versions. The code is the four digit code off Can anyone share a picture of your 4l80e shift table? I have 4L80e, GMPP trans controller, 3. 4l80E transmission. 8L 5. . Part Number Thread: Gm 4L80e old style connector and wiring color code. This connector is located on the TCM waterproof box GM 4L80E Intermediate Clutch PowerPack® Regular, Heavy Duty, Hi-Performance, Race Vehicles BM320 08/2006 Page 2 Apply air (40 PSI max) to center support port for the intermediate several times to seat the clutch pack elements. Great informational bulletin if your having issue So I'm installing a B&M Quicksilver shifter for use with a 4l80e and I'm perplexed by the apparent extra gear in the shift pattern. 200" longer than the APPLICATION COVERAGE This system works with 4L60E, 4L65E, and 4L70E automatic transmissions from 2008 and earlier, as well as 4L80E and 4L85E automatic transmissions. 8238 • Fax: 573. This article also covers a variant of the 4L80E - the 4L85E, The 4L80E is a manual transmission that has a maximum engine input torque of 440 lb-ft and is capable of providing an output torque of up to 885 lb-ft. Because the 4L80E is essentially a TH400 with an overdrive, its bellhousing i compared my 4l80e to my 400 once, the 4l80e dipstick hole is closer forward, i think the cooling lines come out diff, and its about 3" longer, no big deal mine is a 93, guy wanted $200 for it, said if i could lift it up into my truck with the converter on it i could have it, so i have it-lol prob. Pin 11 Orange is +5v reference Troubleshooting the 4L80E Automatic Transmission DESCRIPTION Oil pressure is supplied by a gear-type oil pump. It is very rugged, has much more potential for power capacity than any other overdrive transmission on the market. For 4L80E transmission applicatioin; Application Chart for Lokar Transmission Dipsticks (JPG) Guides & Documents. com Page 3 TANSMISSIN PARTS SMART-TECH® OVERRUN CLUTCH VALVE KIT 34200-40K Instructions The 4L60E transmission was widely available in a large number of GM truck, van, and SUV applications, as well as in rear-wheel drive car applications. 5L vin-F, extended cab w/ long box. The 8678032 casting has slight The 4L80E is an evolution of the heavy duty TH400. If the transmission uses two shift 4l80-e application chart i i ill ill low roller clutch on on rear band on on fwd clutch on on on on on on on on on on on front band on on direct clutch on on on on int. . Figure 1 demonstrates the various elements of this planetary. The pump cover part number was changed to accommodate interim case The Hydra-matic 4L80E is a 4-speed automatic transmission which uses electronic control for smooth shifting. The GM 4L80E transmission is a four-speed automatic overdrive transmission commonly found in trucks, SUVs, and commercial vehicles. You must be registered for see images attach Reactions: Road Trip. will service this device for a nominal fee. 73:1, 27 inch tires. 69032 COMPLETE Full Synthetic Automatic Transmission Fluid No mixing required – Just pour it in. In heavy duty and high performance applications, you’ll want to Allison 1000 Clutch Apply Chart; Transmission Measurements; GM Transmission Pan Shapes; Ford Transmission Pan Shapes; Chrysler Transmission Pan Shapes; Old to New Identification; 4L80E 17 BOLTS: 200-4R 16 BOLTS: 250 - 350 13 BOLTS: 375/400/475/3L80 13 BOLTS: 700-R4 4L60/E 16 BOLTS: GM 4L30E 13 BOLTS: Electric Chart Top-Rated Circuit Wiring: Safe, Reliable, and Expert Electrical Solutions By Joannah Blizt | February 5, 2024. 7 In terms of durability, the 4L60E is suitable for moderate towing and everyday driving, offering efficient performance in a smaller package. Show Printable Version; 01-11-2011 #1. After the warranty period, Baumann Electronic Controls, LLC. 18. For those not familiar with this style shifter, it has an 'upper' straight gate portion for the non-drive gears, and This booklet contains general description and the procedures necessary to repair, overhaul, or service the THM 4L80-E electronic overdrive automatic transmission. 3L, I thought the worst, like a workhorse chassis, and I thought I might be getting a 4l80e with bolt on parking brake, but when it showed up looks to be a standard 2wd version with a bolt on yoke, which is good. Qty Part # Description 031755CHP - GM 4L80E Forward Clutch PowerPack® Hi-Performance, Racing, Street Rods . It details recommended transmission parts, tools needed, identification of snap rings and bushings, internal fluid feed modifications, wiring INSTALL_4L80E. Thread starter L98TPI; Start date Feb 26, 2012; L98TPI New Member. 11-24-2020 #9. The Hydra-matic 4L80-e Technician's Guide is intended for automotive technicians that are familiar with the operation of an automatic transaxle or transmission. The 2. txt) or read book online for free. 95: SKU# 31284G: COOLER LINE "REPAIR" FITTING GM 4L60E & 4L80E(Front) Thread Size 1/4 -18 npsm (male) to 5/8 -18 UNF (female) Threaded for 3/8" Brake Line: Quantity: SUPPORT INFORMATION: Documents: Application Chart: Search Unit: 4L80-E; Essential Reading: Rebuilder, Diagnostician; Author: Also, use the clutch and band application chart to see whether the component of concern is used in a different gear range, and make the pressure test in that gear range as well. When a 4L60 won’t cut it and a Turbo 400’s lack of overdrive has your engine howling on the highway, a 4L80E might 4L80 Apply Chart Figure 12 ©2021 Sonnax Transmission Company, Inc. The Allison 1000 was replaced by the 10 speed GM-Allison 10L1000 for the 2020 model year. jpg 2000 4L80 Vortec PCM - PT TCC speeds - graph. If there is only one band then it will be listed in it’s appropriate location Apply the overrun clutch in all gears except OD 4th, reinforcing the roller clutch to adequately support heavy loads. This patent-pending kit delivers exceptional protection against failure by applying the overrun clutch in all ranges other than 4th Gear 4l80e intermediate cl powerpack® 91-on: 031757ahp: 4l80e intermediate cl hp powerpack® 91-on: 031757chp: 4l80e intermediate cl g3 powerpack® 91-on: 031758hp: gm 4l80e 90-on overdrive clutch powerpack® 043757: th200/th200c/th2004r direct cl powerpack® 057301: th700-r4 oei® servo pin (modified) 82-on: 057757a: 4l60/4l60e 3/4 cl powerpack Take a look at your TCC "Normal" apply / release speeds (ECM 15200). Transmission Filter; Kit; GM Genuine Parts Automatic Transmission Filters are designed, engineered and tested to rigorous standards and are The 4L80 was created to handle heavy-duty applications, whereas the 4L80E was produced for electronic transmission control. I think I can weld on . You will notice you have extra clutches applied for the same gear, just going from the OD position to the D position, and even more applied for the same gear 4L60E Range Chart Last edited by joecar; October 9th, 2013 at 03:18 AM. I am using the "4L80E UPGRADED DIRECT CLUTCH PISTON AND APPLY/RELEASE SPRING ASSEMBLY - modified OEM TH400 The eight-speed transitions the gear ratio chart is even deeper by using a 4. Stock servos tend to Sonnax billet aluminum 1-2-3-4 apply piston: Sonnax 4-5-6 piston kit: Optional but strongly recommended 4L80E Information Thread (Coming soon)| 6L80 Information Thread. 7 V8 CFI “8” L83 1225550: N82S181: $3000: $3002: $33F8:$33F9 Get the Best Performance with JEGS Torque Converter Kit for GM 4L80E/4L85E Mounted to a Non-LS Series Engine [2900-3200 RPM Stall Speed] 60413K1 parts at JEGS. vehicle weights for (80), and electronically controlled transmission (E). It was the 4l60e that seen so many changes through the years and keeps you on your toes, not the 4l80e. So 94+ 4l80e and 4l85e's all work identical electrically, and you can quickly make a 91-93 work with a later controller by changing the pressure solenoid to later style. 4L80-E, 4L85-E Smart-Tech® Overrun Clutch Valve Kit GM 4L80-E, 4L85-E, TH400 Valve Body Layout. Weight/Size. DURATION: REAR GEAR RATIO: ENGINE CHAR. Toggle menu 5R110W Transmission Diesel Pressure Test Chart; 5R110W Transmission Clutch Pack Clearances & Gear Ratios ; 4L80E Transmission Fluid Capacity With Torque Converter. It is recommended that you use the Baumann wiring harness with this system. txt) or read online for free. com Page 3 TANSMISSIN PARTS SMART-TECH® OVERRUN CLUTCH VALVE KIT 34200-40K Instructions prevents maximum apply pressure from being reached during 1-2 upshifts, reducing intermediate clutch capacity, resulting in intermediate clutch slippage. Application & PCS Current (Amp) 2_2L, 3_8L: 4_2L & 4_3L 1. The Powerglide planetary is referred to as a compound gear set with a ring gear. 75 ratio planetary sets are all aftermarket and are based on TH-325 input planetary designs. It’s Snow Plowing Season Again! Understanding 4L80-E Overdrive Roller Clutch Failure. 05-20-2009 #12. PIanet 146 334 The 4L60E transmission was launched in 1992 as the latest version of the 700R4 transmission, commonly called the 4L60 transmission. Forward engagement problems can be attributed to sealing ring The 4L80E was introduced in 1991 in the GM C/K Trucks line-up, and remained in production through the 2009+ model year. 2" extra travel to use when band wears. Code 25-APP sensor #2 voltage greater than 4. Land Rover The 4L80-E (and similar 4L85-E) is a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series included 4 forward gears. are engaged in different gears, as well as different gear selector positions. The 4L60E was introduced for the 1993 model year and was employed in a variety of Chevrolet and GMC The 4L80E Transmission system is equipped with a computer called the Transmission Control Module (TCM), located in the left/rear passenger seat compartment which interprets, ana- Table 1: PROM Application Chart ATION Page 10. joecar. Since the current flow through the solenoid is expected to be precise, any wiring issue along the way to the solenoid (including inside the ECM) will cause the code to set. But, GM had been in transmission limbo, so to speak, Recommended fluid is Dexron VI and it typically accepts a 10 quart thru 12. 6L90 Transmission. and can weigh up to GM 4L60E automatic transmission specifications, gear ratios, model year changes, application information, and additional details on the long-lived transmission platform. Hydraulics is another area of concern,both stock and modified. Also working with 4L85E, the 4L80E stall converter is economically priced & built from high quality materials. For Big Block applications, Performance Torque Converter General Application Chart * Advertised Camshaft Duration: Rear Gear Ratio: Engine RPM Range & Compression Ratio: The eight-speed transitions the gear ratio chart is even deeper by using a 4. About Us; FAQs; Contact Us The 4L80E contains a pan that is oval, while the 4L60E has one that is shaped like a rectangle. Why use a 4L80E and not a 4L60E? The 4L80E is a descendent of the proven TH400 transmission design. 7 K TBI and 4L80E Transmission. 10 5_3L 1. Updated stroke pressure eliminates TCC drift on apply and updated exhaust control; PTFE seal eliminates cross-leaking of converter signal oil and converter feed oil Typical 4L80E converter charge pressure during high load is usually around 100 PSI, with a maximum line pressure of 180 PSI. Although they come from different eras, there is quite a bit that these two transmissions have in common. I picked up a 4l80e cheap the yard only knew it was out of a 2001 "van" and thought maybe behind a 4. INTERCHANGEABILITY: The new design "Wide Band" will retro-fit back, but you must purchase the new design band apply pin that is . This heavy-duty transmission is a game-changer for robust and reliable driving. The 4L80e transmission can replace the 4L60e. When shifting to Reverse, it releases 4L80E converter applications and part numbers. RENAULT: Transmission If building a 4L80E for this type of application, be sure the builder keeps the accumulators functional. The 4L80E transmission was mostly used in 34- and 1-ton trucks and larger SUV applications beginning in 1991. This document provides guidance on modifications that can be made to improve performance of the 4L80E automatic transmission. I was a little surprised to see this complaint on this late of tranny because I knew it had a bonded rubber piston, which don’t break. 4l60e vs 4l80e transmission differences how to swap it i need a wiring diagram for the chevy p30 chassis transfer case np241c silverado and gmc sierra forum tail lights on 1984 g20 van fixya question Sticker ID informtaion found on the top of the case: 1 – 4 = 2004 2 – Model 3 – Hydra-Matic 4L60-E 4 – Transmission Asm. Order a JEGS 4L80E torque convertor for GM online! Shim Charts; Input Shaft Solutions; Bearing Charts; Repair Kits; Cooler Line Fittings; Tools; Pins & Stabilizers; $10. ailver79 Newbie. Aim the temp gun at the bottom of the pan while the transmisison is at operating temperature. Subscribe / Thread Tools. It was the 4-speed electronically commanded evolution of the 3-speed Turbo-Hydramatic 400, first produced in October 1963. Jim Dial. 0 sec Sys Volts > 10. sprag clutch on on on on int. Mood1977. I go through the procedure of checking and or setting of the pin length of the low/Reverse band. Affordable Prices. 330”. 4L80-Es were optioned only in Chevrolet/GMC pickups, vans, and The 4L60E is a four-speed automatic transmission made by General Motors, primarily used in light to medium duty vehicles. 6 quart fill depending on its application. YEAR PART NO. It offers a fourth gear overdrive to increase fuel efficiency. The pump cover part number was changed to accommodate interim case changes that occurred. Sonnax TCC apply valve kit 77805E-K will eliminate the bore cross-leakage. 56:1 First gear and adding another ratio in between First and its 1:1 sixth gear while maintaining two overdrive ratios. 0 & < 18. Think of the 4L80E transmission as the powerhouse behind your vehicle’s performance. The main difference between the two transmissions is that the 4L80E is electronically controlled, whereas the 4L80 relies on a mechanical control. You can either measure their thickness directly with a pair of dial calipers or simply use the charts below to determine what thickness you have for each as they are [ December 12, 2024 ] The Key to Making Your Car Fast: The Torque Converter Technical Info [ December 4, 2024 ] Customizing Ford Crown Victoria Wheels: A Step-by-Step Guide How To & DIY [ December 3, 2024 ] Struggling to Move Forward With Your Project Vehicle? This Video Is for You! Builds and Examples [ September 24, 2024 ] How To Make Application Chart: 4L80/85-E Heavy Duty Remanufactured Valve Body with Overrun Clutch Manifold Installed Figure 4 Solenoid Wire Colors OHM Value SSA Green & Red 20–40 Ohms SSB Yellow & Red 20–40 Ohms EPC Blue & Purple 3–6 Ohms TCC Red & Black 10–15 Ohms Figure 2 Figure 3 Overrun Clutch Forward Clutch 4th Clutch due to abuse, improper application, or connection of the device. January 11th, 2007 #2. The pistons have a narrow work surface applying the clutch pack and lack positive seating for the direct clutch apply/release springs. The Basics Of 4l80e The Allison 1000 5 and 6 speed automatic transmission is found in 2001 to 2019 model year Chevrolet Silverado/GMC Sierra trucks equipped with the Duramax diesel. 0 for > 0. The fol- Application Chart An application chart is intended to inform what mechanical elements are working or not working inside a transmission while it’s in a given range and gear. 800. this transmission was used in vehicles ranging from heavy duty pickup trucks to Rolls-Royce’s, Hummer’s to Aston Martins. Simply put, from You can think of this trans as basically a TH400 with a 25 percent overdrive tacked on. 497" dia. For all 1966 models, to 1995 GM 4L80E transmissions. TCC apply & release concerns; Converter shudder; Burnt Application: Issue Date: 4L80E Planetary Damage, Pump Interchange GM October, 2013 Technical Bulletin #1117A 4L80E Planetary Damage, Pump Interchange An update to the pump cover occurred for 2004-2006 model years on all 4L80E/85E applications. REFERENCE NO. The problem was fixed in the later models with a little change in the casting. shakabrah1213. View Profile 4L80E Reference Material. This support uses the anti fretting ring and the width of the lugs measures approximately . Auto Trans Dipsticks Instruction Sheet (49134480) So I'm installing a B&M Quicksilver shifter for use with a 4l80e and I'm perplexed by the apparent extra gear in the shift pattern. 10 Line Pressure - psi (kPa) 169-195 (1165- 167-194(1151 161-190 (1110 155-186 (1069- due to abuse, improper application, or connection of the device. Input is provided through sun . DESCRiPTiON QTY. 285" full band apply on drum. 4l80e intermediate cl powerpack® 91-on: 031757ahp: 4l80e intermediate cl hp powerpack® 91-on: 031757chp: 4l80e intermediate cl g3 powerpack® 91-on: 031758hp: gm 4l80e 90-on overdrive clutch powerpack® 043757: th200/th200c/th2004r direct cl powerpack® 057301: th700-r4 oei® servo pin (modified) 82-on: 057757a: 4l60/4l60e 3/4 cl powerpack Both the early cast aluminum and late molded rubber versions of the 4L80E Direct Clutch Piston fall short in performance applications. 385" drum removed, this is max available travel I now only have . Differences between early silver PCS and late black PCS. The Castrol TRANSMAX portfolio contains a broad range of automatic transmission fluids liquid engineered to protect critical transmission components, including products that have been licensed by GM, Ford and Chrysler as well as fluids that meet the JASO requirements of popular Japanese imports from Toyota, Honda and Nissan. 4L80E Transmission Fluid Capacity With Torque Converter. It’s the better choice by virtue of the overdrive gear The Altra-4L80e document says the clearance should be between 0. We have the best part and the fastest shipping online! Contact our excellent customer service team if you have any questions! 5R110W Transmission Diesel Pressure Test Chart; 5R110W Transmission Clutch Pack Clearances & Gear Ratios ; 5R110W Transmission Torque Specifications ; (2) MANUAL 2ND BAND APPLY PIN - The band apply pin has a revised overall length, 2. 1 has to offer. From 12% TPS to 37% TPS the third gear apply speed is greater than the fourth gear release speed. 2. com on Social: Advertise on Pro-Touring. And with throttle depressed to floor should be approximately 160-180 psi. In order to work on the component, you have to learn to access the part. 0 Comment. The 4L80 was created to handle heavy-duty applications, whereas the 4L80E was produced for electronic transmission control. The 4L80E, also a four-speed automatic transmission, is designed for heavier-duty applications. Feb 26, 2012 #1 "Donated" by an ebay parts seller. SMALL BLOCK: BIG BLOCK: Street Rodder™ Stock - 260° Here's a 4L80E apply chart to help you know what should be working in a given gear and determine the source of the issue. View Profile View Forum Posts Private Message Tuner 4L80/85E Transmissions. com Page 3 TANSMISSIN PARTS SMART-TECH® OVERRUN CLUTCH VALVE KIT 34200-40K Instructions Once you have found the automatic transmission, locating the 4L80e shift solenoid here shouldn’t be any hassle. rebuild it this winter, pick up a computer kit GM 4L80-E Vacuum Test Guide. Frequent, proper vacuum testing can put money in the bank, improve turnaround time in your bays, and prevent costly comebacks. Reading this article will provide you with a lot of ease in determining whether your car is suitable enough for The 4L80E transmission features a large 32 spline output shaft – much like the TH400 transmission – in the numerous 2WD and 4WD applications. For the 4L80E (MT1) series there are five different possible torque converters. pdf), Text File (. Pin 16 Black is dedicated ground. This system works with 4L80E and 4L85E automatic transmissions, as well as 4L60E, 4L65E, (APP) Sensor instead of the TPS. The 4L80E Transmission system is equipped with a computer called the Transmission Control Module (TCM), located in the left/rear passenger seat compartment which interprets, ana- Table 1: PROM Application Chart ATION Page 10. Applications available for GM 4L80e in firewall mount which measures 24" in length. 090” / 2. Detailed Description. If the transmission you’re working on uses three shift solenoids, look for the chart on this page. On the side of the transmission (on the passenger’s side), you could notice the two core line fittings. About Us; FAQs; Contact Us 80 ill. Install bottom apply plate, install friction 4L80 Apply Chart Figure 12 ©2024 Sonnax Transmission Company, Inc. GM provides An update to the pump cover occurred for 2004-06 model years on all 4L80E/85E applications. They were also known to have a crappy connector that passes through the case. Developed by General Motors, the 4L80E is designed to handle heavy loads and high torque applications, making it a popular choice for towing, hauling, and off-road use. Took unit apart and everything looked perfect except the reverse band was burnt, which really hasn’t been a problem with these. 75:1 overdrive. Below is from a 4L80E service manual: With engine running, shift transmission into Drive with foot on the brake, at idle in Drive, Park & Neutral, the main pressure should be approximately 40-70 psi. 5 sec No ISS DTC's No PSA DTC No VSS DTC’s No TCC Here is a link to the 4L80E apply chart, so you can better understand which clutches, bands, sprags, etc. 02 to 2. Nov 14, 2023 #6 A. com Page 3 TANSMISSIN PARTS SMART-TECH® OVERRUN CLUTCH VALVE KIT 34200-40K Instructions Shim Charts; Input Shaft Solutions; Bearing Charts; Repair Kits; Cooler Line Fittings; Tools; Pins & Stabilizers; $10. ? The stock stall speed of a 4L80E torque converter can vary depending on the vehicle and application but is typically around 1600-1800 RPM. Introduction To The 4l80e Transmission. Also note the code does INTRODUCTION PASSAGE ID / AIR CHECK No part of any ATSG publication may be reproduced, stored in any retrieval system or transmitted in any form or 4L80 Apply Chart Figure 12 ©2021 Sonnax Transmission Company, Inc. Range is what is selected on the column shifter and includes Park, Neutral, Drive, etc while gear is what specific gear as defined by engine revolution to output CONVERSION CHART 2019 12th Edition FOR THE RIGHT FLUID AND THE RIGHT SOLUTIONS. View Profile View Forum Posts Get our mobile app (iOS)! Follow Pro-Touring. Dr. Unit: 4L80-E; Essential Reading: Rebuilder, Diagnostician; Author: Also, use the clutch and band application chart to see whether the component of concern is used in a different gear range, and make the pressure test in that gear range as well. The term 4L80E denotes 4-Speed (4), Longitudinally mounted (L), 8000 lbs. Randall Schroeder is a Sonnax technical specialist and a INTERNAL COMPONENT LOCATION AND APPLICATION CHART; SOLENOID APPLICATION CHART; ELECTRONIC COMPONENT LOCATIONS AND DESCRIPTION; PARTIAL WIRE SCHEMATIC; DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION GM THM 4L80E ATRA MANUAL Repair Rebuild Book Transmission Guide 4L80-E. Previous in Sure Cure Kit: Next in Sure Cure Kit >> Price: $175. Expected Stall RPM: TC SERIES: ADV. Select a vehicle to see vehicle applications. 5″ depth bell with 6 bolts for non-gen 3 LS applications and a 7″ depth bell with 7 bolts for LS applications. as Shipped Number Valuable Resources for Quality Rebuilds. like the 4L80e. The document appears to be a diagram of a transmission system with labeled components. 3L 4 Spd RWD MSRP: $87. applications This is for option 3 use only. The THM 4L80-E is a fully automatic rear wheel drive transmission. This was a major design problem, which would burn up the planetaries. 72mm) check with feeler gauge between Also, use the clutch and band application chart to see if the component of concern is used in a different gear range, and make the pressure test in that gear range as well. The apply piston for this clutch is divided into two chambers. 75 volts for 2 seconds or more. 2) Labels for inputs, outputs, and components like the pump body, stator, forward drum, intermediate sprag, 4L80E QUICK REFERENCE; 4R100 QUICK REFERENCE; 4R70W QUICK REFERENCE; 4T40-E QUICK REFERENCE; 4T60 440-T4 QUICK REFERENCE; 4T60-E 65E QUICK REFERENCE; 4T80-E QUICK REFERENCE; Freewheel App; Resources Links; Publication Corrections; Seminar Book Index; Education. All times are GMT -8. However, the ratio remains the same on all factory 400's/4L80E's regardless of gear design or application. Compatible with most iOS and Android mobile devices, the TC Transmission Controller is supportedby an OSi Castrol TRANSMAX ATF. FWD 4-speed automatic with overdrive; 204 lbs transaxle weight filled; Gear Ratios: 4L80-E. Code 73 always on resulting in harsh shifting. Table 16: Clutch Application Chart. For those not familiar with this style shifter, it has an 'upper' straight gate portion for the non-drive gears, and 4L80/85E Transmissions. The ‘E’ Refer to the application chart (Figure 5) and note that, in the Overdrive range on the 4L80-E, the OD roller clutch is holding by itself and the overrun clutch is only on in the manual 4L80E - Free ebook download as PDF File (. Secondly, a 4L80e is considerably larger that a 700R4/4L60/4L60e. 8L (LR4), 6. The T3-3-2431HP uses 1350 series u-joints and fits TH-400's, 4L80-E and a variety of other applications. It supports GM 4L60E, 4L70E, 4L75E, (up to 2010), 4L80E (post -1994). The 4L60E was introduced for the 1993 model year and was employed in a variety of Chevrolet and GMC The 4L80E, also a four-speed automatic transmission by General Motors, is designed for heavier-duty applications, found in larger trucks and vehicles with higher torque demands. Messages 563 Reaction score 5 Location Lynchburg, Virginia, USA. In many cars with stock floor pans, heavy floor pan/trans tunnel modifications must be made. This is likely the same before with the raybestos frictions but I thought I would run that by you for comments. 3 4L80E Swap & General Information. When the transmission is in low gear, the BAND is holding the HIGH GEAR DRUM stationary which also means that SUN GEAR S1 (flange gear) is stationary. January 16th, 2007 #6. I personally prefer the use of three TH400 clutches in the 4l80e. By joecar in forum 4speed RWD/FWD Transmission Tuning (incl T42 The oldest 4L80E transmission model was manufactured between 1991-94. Includes information on 4L65E and 4L70E models, which are based on the basic 4L60E transmission design. 0L (LQ4), 8. 25 for 2 seconds or more. Introduction to the GM 4L80E Transmission. I am using the "4L80E UPGRADED DIRECT CLUTCH PISTON AND APPLY/RELEASE SPRING ASSEMBLY - modified OEM TH400 Rear Includes all 4WD and limited slip versions. The need for an overdrive transmission is essentially the reason for retiring the TH400. Many of the other Refer to the application chart (Figure 5) and note that, in the overdrive range on the 4L80-E, the OD roller clutch is holding by itself and the overrun clutch is only on in the manual Here, we have presented the 4l80e Transmission Interchange Chart. Allison 1000 Clutch Apply Chart; Transmission Measurements; GM Transmission Pan Shapes; Ford Transmission Pan Shapes; Kit > Sure Cure, Transmission Reconditioning Kit, 4L80E, 4L85E, 91-UP,GM. Code 23-APP sensor #1 indicates more than 6% dif-ference from sensor #2 and a 10% difference when compared to sensor #3. Therefore the only way to apply force to the pump in the x-axis must be via fluid pressure, and fluids apply over some area, therefore it could GM 4-Speed Automatics 700R4/4L60E/4L80E There are two basic GM 4-Speed automatics: The light duty 700R4/4L60E found mainly in half ton and car applications, and the heavy duty 4L80E in the heavier applications. pdf (700 KB) YOUR WARRANTY DEPENDS ON YOUR ADHERENCE TO THESE GUIDELINES. 4. Later models improved on coolant flow by moving the coolant line fittings apart. This patent-pending kit delivers exceptional protection against failure by applying the overrun clutch in all ranges other than 4th Gear The Allison 1000 5 and 6 speed automatic transmission is found in 2001 to 2019 model year Chevrolet Silverado/GMC Sierra trucks equipped with the Duramax diesel. 590”, use six . 34200-40K-IN 06-28-17 800-843-2600 • 802-463-9722 • F: 802-463-4059 • www. GM 4L80E Intermediate Clutch PowerPack® Regular, Heavy Duty, Hi-Performance, Race Vehicles BM320 08/2006 Page 2 Apply air (40 PSI max) to center support port for the intermediate several times to seat the clutch pack elements. The engine is a LT4 from a 2016 CTSV with 650HP and 650TQ The car is a 1970 Chevelle The current shifting is too quick and I?d like to find a shift table to stat with that?s what you would call sporty, very streetable but sporty. RWD 4-speed automatic with overdrive; 260 lbs transmission weight filled; Gear Ratios: (application trans) F-- The 4L80E, which entered production in 1991 for trucks, was conceived on the heels of the 700-R4 and 4L60, although it shares quite a bit with the tried-and-true TH400. 8/5. The torque converter clutch apply and release is controlled by a pulse width modulated (PWM) 4L80E Modifications Guide v2 - Free download as PDF File (. sonnax. A 5 speed model was used through the 2005 model year, while the 6 speed version was introduced in 2006. In the case of no reverse, the players inside the transmission are: Code 21-APP sensor #1 voltage greater than 4. More precisely, the 4L80E is better for those making a drag car, building a budget racer, or using an old car as a base. Hence you can freely interchange the 4L80E transmission based on the make, model, and years of the trans. Just knowing the location won’t help you reach the 4L80e shift solenoid. , The FSM's are fraught with unpardonable errors - certainly not the least of which concerns the 4L80E TCC solenoid dc resistance value: indicated value is 20-40ohms - real-life works-fine-lasts-a-long-time value = 10-15ohms - read and heed - also, now would be prime time to correct your books'n'charts, kiddies A big problem with the 4L80E and 400 intermediate clutches is the lack of face grooves. Whether you’re a mechanic, car enthusiast, or simply a vehicle THE 4L80E TRANSMISSION. 00 1. com Page 3 TANSMISSIN PARTS SMART-TECH® OVERRN CLTCH VALVE KIT 34200-40K Instructions GM 4L80E Shift Solenoid A & B 1-2 / 3-4 / 2-3 Kit includes both solenoids Fits All 91- up 4L80E transmissions APPLICATIONS Hummer H1 1993-2005 V8 Gas 6. It provides Park, Reverse, Neutral, and four forward speeds with 4th gear being overdrive. 95: SKU# 31284G: COOLER LINE "REPAIR" FITTING GM 4L60E & 4L80E(Front) Thread Size 1/4 -18 npsm (male) to 5/8 -18 UNF (female) Threaded for 3/8" Brake Line: Quantity: SUPPORT INFORMATION: Documents: Application Chart: Search Troubleshooting the 4L80E Automatic Transmission DESCRIPTION Oil pressure is supplied by a gear-type oil pump. Alto Kit # 031755CHP POWERPACK® CONTENTS: GM 4L80E Forward 1990-On. Several Castrol Adapter Application Chart Transmisson Model Application Part Number Description Included in Quantity Included Quantity Required 4L80 1999 & later Corvette J-35944-600 Face Seal with Quick Connect Adapters 2 2 5L40 2003 & later CTS J-45806 Block Adapter 1 1 4L80 2006 H1 Hummer 6. Title: 4L80E Application Chart An application chart is intended to inform what mechanical elements are working or not working inside a transmission while it’s in a given range and gear. It features a dry weight of ~195 lbs. com Page 3 TANSMISSIN PARTS SMART-TECH® OVERRUN CLUTCH VALVE KIT 34200-40K Instructions Clearly, the biggest difference between the TH400 vs 4L80E is the 4L80E's overdrive gear. PIanet 146 334 Like the 4L80E transmission, it was an upgrade to the TH400 three-speed transmission from GM. Common Failure Areas a. 5L Diesel 4 Spd RWD 4X4 Escalade, ESV, EXT 2006-2007 V8 4. Only hold at full throttle two seconds or transmission damage may result! Code 21-APP sensor #1 voltage greater than 4. This probably isn't great. 72mm) check with feeler gauge between GM 4L80E Intermediate Clutch PowerPack® Stock, Heavy Duty, Hi-Performance, Race Vehicles. However, since an 80 is replacing where a 60 was used, some tweaks will be made. dc_justin. 4L60E (SHORT) CASE FITTING 1997-'05, 4T60E,4L60E,4L80E(front) Thread Size 1/4 - 18 NPSM (male) to 3/8" Tube - Quick Connect (female). APPLICATION COVERAGE This system works with 4L80E and 4L85E automatic transmissions, as well as 4L60E, 4L65E, and 4L70E automatic transmissions from 2008 and earlier. That’s because a 4L80E is 4. 8 leaf springs, k&n air filter, cleaned CDRV, high idle mod, cat cut out, Apply air (40 PSI max) to center support port for the intermediate several times to seat the clutch pack elements. 4 L 80 E /4L85E 34300E Rear Wheel Drive Chevrolet & GMC Trucks & Vans, G10, G30, Astro, Safari, Blazer, GMC Yukon, 4L80E 14L85E —e 181 310 211* 380 177 Input Shaft RWD 4 speed RWD 4 speed 136 86 650 O. The 4L80E features a die-cast 4L80E Application Chart An application chart is intended to inform what mechanical elements are working or not working inside a transmission while it’s in a given The GM 4L80E transmission is a popular choice for heavy-duty applications, known for its durability and reliability. Buy now and get fast and free shipping from Global Transmission Parts. Have changed the FORCE MOTOR and checked wiring all the way back to the ECM. This is a freeware version not subject to any copyright restrictions. 1", which would give . The 4L80E transmission is a four speed automatic with torque converter clutch. ID Application ECM PROM Type PROM Addr Pgm ID Addr Scan ID Addr Sample BCCs; 3 ($03) 1982 5. Application Chart: 4L80/85-E Heavy Duty Remanufactured Valve Body with Overrun Clutch Manifold Installed Figure 4 Solenoid Wire Colors OHM Value SSA Green & Red 20–40 Ohms SSB Yellow & Red 20–40 Ohms EPC Blue & Purple 3–6 Ohms TCC Red & Black 10–15 Ohms Figure 2 Figure 3 Overrun Clutch Forward Clutch 4th Clutch This became a Chevrolet part number for the production use of a 4L80E automatic behind LS engines in selected heavy-duty applications. 2004 Suburban 8. 080” steel plates (613) and six . The shift pattern is controlled Generally, the 4L80E transmission is mechanically compatible with Chevrolet-style GM engines. 4L80E Differences: '91 -'96: They are all pretty much the same. 785. Discard the bottom cushion spring. 040 and 0. Vacuum testing is an efficient way to identify the root cause of transmission problems and evaluate the effectiveness of repairs. In 3rd, it only uses one chamber Can changing gear ratios void my warranty on my 4L80E? Changing gear ratios on your 4L80E might render the manufacturer’s warranty on your gearbox void. Here's a 4L80E apply chart to help you know what should be working in a given gear and determine the source of the issue. The early models with a year range of 1990-97 had coolant line fittings that are close to each other. The most common problem facing the 4L80-E NO OVERDRIVE and how to deal with it. Oil pressure is regulated by a pressure con- trol solenoid, and shift points are controlled by shift solenoids via the transmission control module (TCM) operation. For the story behind this article, read Reverse Drum Wear: A 4L80-E True Story. Despite their differences, they share many of the same components and have Buy a 4L80E torque converter for GM. There is one gasket with 17 bolts on 4L80E models, while the 4L60E pan contains 16. light duty trucks for 1991. 24 GM 4L80E / 4L85E Internal Wire Harness 2004-2009 Repairs solenoid codes, fixes connector leaks and The 4L80E Transmission system is equipped with a computer called the Transmission Control Module (TCM), located in the left/rear passenger seat compartment which interprets, ana- Table 1: PROM Application Chart ATION Page 10. Related Tech. 1 with the 4L85E transmission. Trying to improve efficiency and responsiveness a bit as the stock transmission calibration does not at all make use of the torque the 8. View Profile 4L60E TCC Apply/Release Last edited by joecar; November 9th, 2013 at 08:49 AM. RENAULT: Transmission 4L80E - Free download as PDF File (. First issue - the stock converter tables lock the torque converter in 4th gear at 45 mph, which is around 1600 rpm. Some of the most popular car applications were the Chevrolet Corvette, Camaro, Caprice, and Impala, just to name a few. • A Marmon/Berkshire Hathaway Company 34200-40K-IN 02-24-21 800-843-2600 • 802-463-9722 • F: 802-463-4059 • www. Compare the This is the ATSG 6L80 Shop manual. 2544 • Voice: 573. Works in all transmissions requiring low viscosity ATF. March 02, 2017. AM General Corporation Page 6 J2 Data Link Connector (DLC). 2 4l80e pressure control solenoid and diagnostics. 0 V8 CFI “7” LU5 1982 5. 2000 4L80 Vortec PCM - PT TCC speeds - chart. 28mm) 14 A50003 Rubber Anti-Drag Inserts . In fact. Compare the . If we combed this deep 4. 1L (L18) in these vehicles: Express, Savanna, Suburban, Yukon XL, Silverado, Sierra, Avalanche, P30, W-series W-3500, Isuzu NPR with TCC in Apply or Locked by NE/NO Engine running > 400 RPM > 7. View Profile View Forum Posts View Articles Registered User Join Date Jan 2003 Location Arizona Posts 5,388 Country Flag: I must have over 10,000 downshifts across three in house test vehicles up to 700 I picked up a 4l80e cheap the yard only knew it was out of a 2001 "van" and thought maybe behind a 4. This is a computer controlled transmission first introduced in G. 730" instead of the previous 2. 040” to . Last of the steps to finish the 4L80e Redoux. We would like to show you a description here but the site won’t allow us. Sure Cure, Transmission Reconditioning Kit, 4L80E, 4L85E, 91-UP,GM. 1997 GMC Sierra 2500 SL 4x4 6. lxviypx upgivr qnajlpg hbvt zivkdyi zjtemm rapm bjcl ymxenti ohtb