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TH400 Rebuild Manual ATSG THM400 3L80 TH-400 Transmission Service Overhaul Book GM
OPT Product Code: ATSG-400UPC Code: 852553006189
Product Details
General Motors THM 400, 3L80 Automatic Transmission Service Group - ATSG Techtran rebuild manual
ATSG produces the overhaul books that transmission mechanics; both professional and DIY, have looked to since 1985.
Product specifics:
- ATSG part number: 400
- Book type: Rebuild and overhaul
- Covered models: TH400, TH-400, 3L80, TH475, THM375, M40, THM400, THM-400, 3L80HD
- Makes: GM, Buick, Cadillac, Chevrolet, GMC, Jaguar, Jeep, Oldsmobile, Pontiac, and Rolls Royce
- Year range: 1964-1992
- Format: Paperback
- Pages: 96
- UPC: 852553006189
- Country of origin: USA
The blue cover THM-400, 3L80 ATSG overhaul manual covers procedures and technical service information for transmission inspection, repair, dis-assembly, assembly, diagnosis, and troubleshooting.
This book contains detailed information regarding the following:
- Bushing locations
- Checkball locations
- Clutch clearance specifications
- Endplay check and recommendations
- Exploded views
- Line pressure check procedures and specs
- Recommended tools list – Not all required
- Thrust washer locations
- Torque specifications
- Torrington bearing locations
- Trouble shooting
- Valve body assembly detail for valves and springs
- Much more….
The TH400 and its variants were in production from 1964-1992 and can be identified by the irregular shaped, 13 bolt oil pan and 3 forward gears.
The TH400 was found in the full range of General Motors and other brand vehicles including, GM, Buick, Cadillac, Chevrolet, GMC, Jaguar, Jeep, Oldsmobile, Pontiac, and Rolls Royce.
This transmission is part of the Turbo-Hydramatic series and also known by the following codes and model numbers: TH400, TH-400, 3L80, TH475, THM375, M40, THM400, THM-400, 3L80HD
Automatic Transmission Service Group (ATSG) is the largest technical support service in the automatic transmission Industry. ATSG manuals are the world's foremost service guides utilized by professionals and technicians to troubleshoot and diagnose problematic areas, disassemble transmissions and reassemble accurately and efficiently. ATSG manuals cover all aspects of transmission care, overhaul and rebuild procedures. Straightforward and simple to use, ATSG manuals will assist professionals and non-professionals alike with all aspects of automotive transmission care.
