Hummer

The General Motors 4L80E, in production since 1991, has become the workhorse of GM’s light truck series. This unit has also surfaced in some rather exotic and unexpected vehicles simply because those manufacturers wanted one of the best,…

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 been with us now for over two decades and, along with the completely computer…

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

THM 700-R4 (4L60) 1987-1993 – ATSG (Automatic Transmission Service Group) PDF. This Repair Manual contains general description and procedures necessary to repair, overhaul, or service the 1987-1993 THM 700-R4 transmission and includes all…

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