GMC

Welcome to the GMC Transmission Service Repair Manuals section! Here you will find comprehensive manuals and instructions for maintaining and repairing the transmissions of your GMC vehicle. Our team of experts is dedicated to providing you with top-quality materials and updates for your vehicle’s transmission system. Stay updated with the latest manuals and instructions by checking back often. Thank you for choosing GMC Transmission Service Repair Manuals!


GM 4L60 4L60E (THM700R4) TRANSMISSION FULL WORKSHOP REBUILD OVERHAUL REPAIR & PARTS MANUAL

22.11.2023

THIS IS THE MOST COMPLETE OEM WORKSHOP REPAIR MANUAL FOR GM HYDRAMATIC 4L60 4L60E TRANSMISSION. The General Motors 4L60 (also known as the THM700R4) has....

HYDRA-MATIC 6L80 (6 Speed) – ATSG (Automatic Transmission Service Group)

21.11.2023

The new Hydra-matic 6L80 (6 Speed) is a fully automatic, six speed, rear wheel drive, electronic controlled transmission that features clutch to clutch shifting. It was....

Isuzu JR403E – ATSG (Automatic Transmission Service Group)

21.11.2023

The JR403-E transmission, also known as the “Electromatic” by GM, is currently found in 1988 and up GMC Tiltmaster Trucks, Isuzu Trucks, Nissan Diesel Trucks, Mazda....

T5 WC & STD On-Vehicle Service and Troubleshooting

22.11.2023

This manual contains maintenance, service and parts information for the T5 Five-Speed Manual Transmission manufactured by TREMEC. Applications: 1982-83 AMC Spirit 1982-83 AMC Concord 1982-88 AMC Eagle 1982-86....

THM 700-R4 (4L60) 1987-1993 – ATSG (Automatic Transmission Service Group)

22.11.2023

This Repair Manual contains general description and procedures necessary to repair, overhaul, or service the 1987-1993 THM 700-R4 transmission and includes all design levels. This transmission....

THM 700-R4 4L60 (1982-1986) – ATSG (Automatic Transmission Service Group)

22.11.2023

The THM 700-R4 transmission is a fully automatic unit consisting of a 3 element torque converter with the addition of a converter clutch. Five multiple disc....