Finally, a rebuild and performance guide for GM 6.2 and 6.5L diesel engines!

In the late 1970s and early 1980s, there was considerable pressure on the Detroit automakers to increase the fuel efficiency for their automotive and light-truck lines. While efficient electronic engine controls and computer-controlled gas engine technology was still in the developmental stages, the efficiency of diesel engines was already well documented during this time period. As a result, General Motors added diesel engine options to its car and truck lines in an attempt to combat high gas prices and increase fuel efficiency.

The first mass-produced V-8 diesel engines of the era, the 5.7L variants, appeared in several General Motors passenger-car models beginning in 1978 and are often referred to as the Oldsmobile Diesels because of the number of Oldsmobile cars equipped with this option. This edition faded from popularity in the early 1980s as a result of falling gas prices and quality issues with diesel fuel suppliers, giving the cars a bad reputation for dependability and reliability. The 6.2L appeared in 1982 and the 6.5L in 1992, as the focus for diesel applications shifted from cars to light trucks. These engines served faithfully and remained in production until 2001, when the new Duramax design replaced it in all but a few military applications.

While very durable and reliable, most of these engines have a lot of miles on them, and many are in need of a rebuild. This book will take you through the entire rebuild process step by step from diagnosis to tear down, inspection to parts sourcing, machining, and finally reassembly. Also included is valuable troubleshooting information, detailed explanations of how systems work, and even a complete Stanadyne DB2 rebuild section to get the most out of your engine in the modern era.

If you have a 6.2, or 6.5L GM diesel engine, this book is a must-have item for your shop or library.

Contents:

Preface
Acknowledgments
About the Author

Chapter 1: Introduction to Diesel Engines

• Diesel Internal Combustion Engine Terms
• Combustion Chambers
• Engine Operation
• Valve Timing
• Combustion Process
• Power and Speed Control
• Fuel Injection Timing

Chapter 2: Tools, History, and Engine Systems

• Special Service Tools
• Engine History
• Construction
• The Fuel System
• Evaluating and Diagnosing the Fuel System
• Engine Noise Diagnosis
• Glow Plug Systems
• Injection Pump Timing
• Compression Testing
• Checking Turbo Boost Pressure
• Cooling System Issues

Chapter 3: Engine Removal

Chapter 4: Engine Disassembly

Chapter 5: Stanadyne DB2 Pump Service

• Pump Operation
• Injection Pump Disassembly and Assembly
• Transfer Pump Service
• Optional Inspections and Adjustments
• Injection Pump Rotor
• Pump Reassembly
• Injection Pump Test Stand

Chapter 6: Engine Inspection, Cleaning, and Machining

• Engine Block Inspection and Service
• Chapter 7: Assembly and Installation
• Bottom-End Build
• Installation

Chapter 8: Diagnostics and Modifications

• Mechanical System Diagnosis
• Automatic Transmission TPC/VRV DB2 Systems
• 6.5L DS4 EFI Diagnosis
• DS4 Pump Fuel Flow
• 6.5L EFI Diagnostics
• 6.5L Diagnostic Issues
• Early 5.7L Olds Diesel Engines
• Performance Upgrades

Appendix
Source Guide

Specifications
Pages: 160
Size: 8.5 X 11 (inches)
Format: Paperback / softback
Illustrations: 487 color photos
Publisher: CarTech
ISBN: 9781613255605
Product Code: SA494

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