The gm 4l60e 65e70e4l80e85e diagnostic code book is designed to provide the technician with a step by step diagnostic approach to each and every transmission code available from 1991 to the 2007 model year. If any wires are damaged, adjust splices accordingly. Bigstuff3 is currently offering transmission control for gms 4l60e80e transmissions. Due to the variables in modifications done to transmissions and vehicles.
Us shift transmission control system instruction and operation manual. Manual 2nd band now 114 inches wide instead of the previous 1 inch wide, and manufactured with a revised band apply pin anchor, as illustrated in figure 2. The hydramatic 4l80e technicians guide is intended for automotive technicians that are familiar with the operation of an automatic transaxle or transmission. Locate the 3wire harness on the driver side of the transmission case towards the rear of the transmission. Information about transmission rebuild gm 5l40e 5l50e. Installation instructions for gm 4l80e external harness rostra. September 21, 2017 transmission main plug early gm 4l80e transmissions had two 2 types of main body connectors. Shifts into second, then doesnt shift up any further. Installation notes for gm 4l80e 4l60e series pdf last generated.
How to 4l80e transgo hd2 shift kit install intermediate ring direct drum springs a21bravo duration. Next plug in the transmission connector and the vehicle speed connector into their appropriate locations. You shift to drive and then shift up and down with push buttons. It features clutch to clutch shifting which provides eight forward and one reverse gear. Atsg 4l80e thm transmission repair manual automotive july 29, 2015 4. See the shiftware section for installation instructions. The pink wire provides power to the internal solenoids.
Transmission shift strategy is selected in such a way as to ensure the smoothest changing gear without the possibility of damage to the engine. This will convert your stock valve body to a full manual shift, normal pattern. This manual has been developed by the automatic transmission rebuilders association atra technical department to be used by qualified transmission technicians in conjunction with atras technical seminars. The cool thing about the 4l60e and 4l80e electronic transmissions is that the shift solenoids are not pulse width modulated. Oct 27, 2015 4l80e full manual with no computer duration. Ultramodern transmission is characterized by high reliability and functionality. Pre1993 4l80es will need an updated internal wiring harness. Apr 11, 2018 atsg tech manual 4l80e 4l85e 1991on gmc chevy rebuild. Allows a competant mechanic with no transmission experience to rebuild this specific automatic transmission.
This is a computer controlled transmission first introduced in g. Manual 2nd band apply pin the band apply pin has a revised overall length, 2. Transmission repair manuals gm 5l40e 5l50e rebuild. The transmission connector is located on the passenger side of the 4l60e transmission housing and on the driver side of the 4l80e transmission housing. While on the road, i can shift from d into 2 and it will downshift only when going above 30 mph. Microsquirt transmission control drop on harness for gm 4l60e and 4l80e thank you for buying our drop on harness.
Pdf online gm thm 4l80e atra manual repair rebuild book. Automatic transmission rebuild kits 4l80e transmission. Page 2 this connects to the round connector on the passenger side of a 4l60e transmission. Many of the other specifications can be gathered by deciphering the name. Since the circumstances of its use are beyond atras control, atra assumes no liability for the use of such information or any. Full manual shifts the transmission will be in the gear you select and changes to any gear you choose when you move the selector, no computer or wiring needed, red eagle clutches, carbon fiber band, redeagle powerpacks for the. Fluid capacity and type, valve body and solenoids charts. Gen3 powertrain controller transmission control users manual. Our atsg 4l80e technical manual covers transmission assembly. See all formats and editions hide other formats and editions.
Mind you, this transmission can also be converted to be a full manual gearbox as well. Hydramatic 8l90 manual the 8l90 transmission is a fully automatic eight speed rear wheel drive transmission that is available in both two and four wheel drive configurations. Everything you need to know about rebuilding a 4l80e transmission. Page 3 tcu and a fuel injection system, for example if needed. Applications that use this transmission include the 8. The baddest of the bad, this is a nonelectronic 4l80e transmission. If you have suggestions on tech info or trans comparisons that youd like to see, contact us and let us know. The vehicle speed sensor is located in the tail shaft housing on the passenger side. This page provides information on how the 4l80e automatic transmission from general motors operates with the megashift controller, as well as the tunerstudioms settings needed to configure the controller. Having problems with your 4l80e gm automatic transmission that is used in heavy duty chevrolet and gmc pickups, vans and motor homes. Bigstuff3s gen3 ecu is the only aftermarket engine management system to integrate transmission control into a single ecu.
There are some recommendations how to repair the automatic transmission 4l80e. Atsg ford transmission repair manual solenoid pack torque converter. Locate the 2wire harness on the driver side of the transmission case towards the rear of the transmission. The 4l80e is a manual transmission that has a maximum engine input torque of 440 lbft and is capable of providing an output torque of up to 885 lbft. Multiple warehouse locations in las vegas and the east coast gets you transmission parts fast. In the sport manual mode, the transmission is controlled by an electronic system that monitors the engine speed. Gm 4l80e4l60e reference material, manuals, faqsparts list. Everything you need to know about rebuilding a 4l80e. For more details about using microsquirt as a transmission controller, please see the main microsquirt transmission control page here. Despite its name, the 4l80e is not an upgrade to its gm counterparts. No electronics needed, but you can keep the lock up.
Because of this, we do not provide a wiring harness for it. Installation instructions perfect torc gm 4l6065e and 4l80. The transmission is also slightly larger than a th400 as the overall length is. Pdf online gm thm 4l80e atra manual repair rebuild. Atsg tech manual 4l80e 4l85e 1991on gmc chevy rebuild. Hydramatic 4l80e transmission repair manual pdf online. Pre1993 4l80e transmissions use a different internal wiring harness and passthrough connector. When hooked up to a civi computer the transmission will manually shift through all gears. This harness makes controlling a gm four speed automatic transmission an easy bolt on. Installation and operation manual for 4l80e and 4l85e. The transmission is also slightly larger than a th400 as the overall length is 32 inches. Also is used in many hot rods because of the gear ratio and strength. The 4l80e transmission is the advanced progeny of the legendary turbohydramatic th400 automatic transmission, and is based heavily on the 400 in both. Need illustrated parts drawing to assist you in identification of the parts that you might need.
The novak guide to the gm 4l80e automatic transmission. It also uses a four element lockup torque converter, four planetary gear sets as well as five multiple disc and one mechanical. Stuck pressure control solenoid valve located in solenoid. Or on the driver side of a 4l80e or tci 6x sixspeed transmission. The 4l80e uses shift solenoids a and b to control upshifts and downshifts in all forward ranges. Since then ive prepared many 4l80e transmissions for competition using these methods. Installation and operation manual for 4l60e, 4l65e, 4l70e, 4l80e, and 4l85e transmissions. The 4l80e has proven reliable like its predecessor. Full manual, performance 4l80e transmission, level 4 the baddest of the bad, this is a nonelectronic 4l80e transmission. This manual can be used in collusion with any type of scanner utilized in retrieving these codes from the computer.
The 4l80e is the descendant of the ole reliable th400 transmission. Gm recommends upgrading to the newer connector and wiring harness. Complete full manual valve body gen iv and gen v ls, lt1 and lt4 chevrolet engine 6l80e6l90e 6 speed conversion kit. Installation and operation manual for 4l60e, 4l65e, 4l70e. This manual is not intended to be a standard work of the howto reassemble the general motors 4l30e transmission, nor is it written with the professional mechanic in the back of my mind. So this article provides a triedandtrue procedure for converting any 4l80e transmission to full manual control, eliminating the need for a pcm. It has a sport mode and the ability to change gears manually. The only logical transmission for our 4x4 was the 4l80e fourspeed automatic transmission commonly found in 34 and 1ton gm trucks and suvs. Hydramatic 4l80e transmission repair manual pdf free online.
Proper manual as used by vehicle technicians 4l80 4l80e transmission gearbox rebuild procedure manual bookmarked so you quickly get to the section you need. Build a bombproof 4l80e manual valvebody transmission four. Cut wire approximately 5 inches from back of the transmission connector. Gm 4l80e technical information gear ratios and solenoid states. One of the biggest clues to identifying the 4l80e are the electronics that clips onto the drivers side of the transmission. Gm thm 4l80e atra manual repair rebuild book transmission guide 4l80e. At jakes performance the 4l80e is our most popular transmission. Aug 18, 2017 the only logical transmission for our 4x4 was the 4l80e fourspeed automatic transmission commonly found in 34 and 1ton gm trucks and suvs. From 4l80e, the 4 indicates that the transmission has 4 gears. Pre1993 4l80e transmissions use a different internal wiring harness and pass. The 4l80e transmission is a four speed automatic with torque converter clutch. The 4l80e is a 4speed with overdrive, electronically controlled transmission, with ratios.
Automatic transmission rebuild kits 4l80e transmission type. Nothing in this manual may be copied or reproduced by any means without the written permission of the author. Using the software, load the calibration that matches your transmissions configuration. Hummer h1, escalade, esv, ext, avalanche, express, savana, silverado, sierra. Full manual shifts the transmission will be in the gear you select and changes to any gear you choose when you move the selector, no computer or wiring needed, red eagle clutches, carbon fiber ba nd, redeagle powerpacks for the forward.
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