HT Rebuild & Mod GM Turbo 400 Trans

by Cliff Ruggles

Overview

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.

Respected automotive technical author Cliff Ruggles takes readers through the complex rebuild procedure of GMs most popular rear-wheel drive automatic transmission in this great new book. Enthusiasts have embraced the reliable GM Turbo Hydra-Matic 400 three-speed automatics for years, and the popularity of these transmissions is not slowing down. 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.

This is a welcome addition to your automotive library. Amateurs and professionals alike will appreciate the advice and guidance offered on every page. Even if you end up deciding to have a professional take care of your transmission repair and performance needs, this information is crucial to understanding how the power gets from the engine to the road.

Product Details

ISBN-13:	9781934709207
Publisher:	CarTech
Publication date:	06/29/2011
Pages:	144
Sales rank:	1,163,490
Product dimensions:	8.40(w) x 10.90(h) x 0.40(d)

About the Author

Cliff Ruggles has more than 20 years' experiene in custom building transmissions. He owns his own business, Cliff's High Performance, which specializes in building high-performance engines, transmission, and carburetors. Cliff has built/ owned/ raced at least half a dozen cars over the years.

Table of Contents

Preface

What is a Workbench® Book?

Chapter 1: Tools and Equipment

Safety Equipment

Sockets and Wrenches

Snap Ring Pliers

Screwdrivers

Measuring Devices

Spring Compressors

Case Holding Fixtures

Work Surface

Pans for Small Parts

Cleaning Cases

Bushing Removers and Installers

Heli-Coils and Bolt Extractors

Air Tools

Punches, Chisels and Files

Lip Seal Installation Tools

Friction Alignment Tool

Oil Pump Band

Alignment Studs

Slide Hammer

Special Tools

Chapter 2: Transmission Fundamentals

Torque Converters

Transmission Oil Pump

Clutch Packs

Bands and Servos

Accumulators

Planetary Gears

Sprags and Roller Clutches

Valve Body

Chapter 3: Transmission Removal

Chapter 4: TH400 Disassembly

Remove External Components

Remove Valve Body and Governor Filter

Remove Downshift Solenoid and Separator Plate

Remove Front Band and Low Band Apply Servos

Remove Oil Pump, Manual Shaft and Speedometer Gear Housing

Remove Forward Drum Clutch, Direct Drum and Band

Remove Clutch Pack, Output Shaft and Low Band

Final Disassembly

Chapter 5: TH400 Assembly

Install New Case Bushing, Solenoid Connector and Parking Pawl

Disassemble Output Shaft and Lower Planetary Assembly

Reinstall Planetary Assembly

Install Low Band and Output Assembly

Rebuild Center Support

Reinstall Center Support

Rebuild and Install Clutch Pack and Intermediate Band

Rebuild Direct Clutch Pack and Install Direct Drum

Rebuild Forward Drum

Rebuild and Install Oil Pump Assembly

Check Clutch Packs and Install Accumulator Piston

Install Filter and Valve Body

Install Exterior Components

Chapter 6: TH400 Transbrake

Installation Procedure

Chapter 7: Transmission Installation

Troubleshooting Guide

Source Guide

Editorial Reviews

Book mention.

Muscle Car Power - Alan Mayes