GM Turbo 400 Transmission is considered the pride of GM because it is one of the most powerful and durable engines that the company has ever produced. Compared to GM Turbo 350, GM Turbo 400 is considered to have superior performance. Since its launch 50 years ago, the GM Turbo 400 has always proven its superior strength by being present in millions of vehicles manufactured.

However, like all other machines, no matter how durable, there is a period of degradation and some problems. At this point, what you need to do is upgrade and edit. Stemming from the needs of technicians,

How to Rebuild & Modify GM Turbo 400 Transmissions was born with the aim of providing readers with the necessary knowledge and skills to be able to rebuilt GM Turbo 400 Transmissions on their own.

How to Rebuild & Modify GM Turbo 400 Transmissions Information 

Title: How to Rebuild & Modify GM Turbo 400 Transmissions

Author: Cliff Ruggles 

Pages: 144 

Language: English 

Publication Date: 14/08/2020

Publisher: Car Tech 

Illustrations: 407 Color Photos

Format: PDF 

Note: You should Download this book on Firefox Browsers to ensure the best quality. 

What’s in How to Rebuild & Modify GM Turbo 400 Transmissions?

About the Author 

Cliff Ruggles is a researcher with more than 20 years of experience in building and developing transmission building. During his career, he had for himself dozens of cars built by himself and an engine company that bears his name – Cliff’s High Performance.

He has also released a number of publications on automatic transmissions such as: How to Rebuild & Modify GM Turbo 350, How to Rebuild & Modify GM Turbo 400,…

How to Rebuild & Modify GM Turbo 400 Transmissions Content 

This book covers the following aspects:

• Complete Step-by-step Rebuild Guide 
• Includes factory and Aftermarket Upgrades 
• Transmission Identification Guide 
• Parts Interchange Advices 
• Upgrades for Street, street and Competition

If you’re a fan of high-powered engines, don’t miss this classic. It not only gives you an overview of how to build the GM Turbo 400, but also gives you detailed step-by-step instructions, making it easy for you to visualize and follow.

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 Disassemble

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