Daimler Cars - GM Automatic Transmissions Service & Repair Manuals

How to Rebuild & Modify GM Turbo 400 Transmissions : Complete Step-By-Step Rebuild Guide

Over the last 50 years, literally millions of GM cars and trucks have been built with Turbo 400 automatic transmissions. While these transmissions are respected for their durability and versatility, there always comes a point where the old transmission shows signs of wear. At some point, even the best transmissions need to be rebuilt.

Automotive technical author Cliff Ruggles takes readers through the complex rebuild procedure of GMs most popular rear-wheel drive automatic transmission in this book.
With his proven style, Ruggles walks through the step-by-step rebuild and performance upgrade procedures in a series of full-color photos for each of these models. Time saving tips are part of every buildup.

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General Motors Automatic Transmission Overhaul Manual (1964-1994) - Fundamentals, diagnosis, overhaul, modifications | Haynes TechBook

Haynes TechBook covering the overhaul of General Motors Hydramatic automatic transmissions and transaxles, installed in Buick, Cadillac, Chevrolet, GMC, Oldsmobile and Pontiac passenger cars, vans and pick-ups.

Covers the following models:
- automatic transmissions THM200-4R (1981-1989), THM350 (1969-1989), THM375B, THM400 (1964-1990, also used by American Motors, Jaguar, Rolls-Royce and Bentley) and THM700-R4 (1982-1992)
- transaxles THM 125/125C (1980-1989), THM 3T40 (1990-1994), THM 440-T4 (1984-1990) and THM 4T60 (1990-1993) (used in GM models with front wheel drive).

• Over 1400 photos and complete step-by-step instructions for the overhaul of the complete transmission (torque converter, planetary gears, brake bands, oil pump and switch block).
• Also chapters about working principles, identification, tools, measuring instruments, removal and assembly.

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