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TH400 Rebuild Manual ATSG THM400 3L80 TH-400 Transmission Service Overhaul Book GM

OPT Product Code: ATSG-400
UPC Code: 852553006189
$35.00
(5) Reviews: 3
TH400 Rebuild Manual ATSG THM400 3L80 TH-400 Transmission Service Overhaul Book GM

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.

TH400 Rebuild Manual ATSG THM400 3L80 TH-400 Transmission Service Overhaul Book GM

OPT Product Code: ATSG-400
UPC Code: 852553006189
$35.00

(5) Reviews: 3
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Th-400
Great price & quick shipping
Arthur Bichsel
02/26/2021
Verified Buyer
1 of 1 customers found this helpful.
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Th400 manual
Bought this to provide info several of my others dont. Everything you need to know and far cheaper than on other websites
Alan Backus
04/10/2020
Verified Buyer
1 of 1 customers found this helpful.
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ATSG THM 400
This manual provides thorough instruction for overhaul of a factory built (stock) TH 400. It is a great reference for disassembly, operation fundamentals and assembly instructions.
Jon
03/28/2018
Verified Buyer
10 of 10 customers found this helpful.
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