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The 6.2L/6.5L Diesel
Troubleshooting & Repair Guide


2018 - New Sixth Edition!

Introduction:

The concepts, procedures and methods contained in The 6.2L/6.5L Diesel Troubleshooting & Repair Guide are original to The Diesel Page. Through the years, we've invested considerable time, effort and money doing research that helped us find solutions to all of the common and sometimes not so common 6.2L/6.5L diesel-related problems. This research involved discussing GM diesel service issues with the engineers at GM Powertrain and at GM's Romulus Engineering Center. The recommendations found here about the cast-iron components of these engines were the result of spending time in engine reman facilities. We also toured the AM General/GEP 6.5L diesel engine manufacturing plant in Franklin, Ohio to learn how these engines were originally assembled and tested, and TDP has answered many tens of thousands of technical and troubleshooting questions from as many 6.2L/6.5L diesel owners. Lastly, we also provided valuable HMMWV tech support for the U.S. Military following 9/11. From all of this we developed the best solutions to 6.2L/6.5L diesel engine problems.

But, equally important to TDP's qualifications is our continuous first-hand ownership experience with these engines going back to 1986. All of this information resulted in an essential Guide that is both easy to read and easy to understand. In most cases, individual aspects of engine problem diagnosis include theory of operation, which will help you understand why things work the way they do. Knowing the "how and why" of system operation will help a diesel owner analyze individual problems and help provide a more long-term solution. Our mission here at The Diesel Page has always been to expand the knowledge base for these engines and to improve ownership satisfaction. What you'll find here are time-tested and proven methods, techniques and strategies that will improve the 1982 to 2000+ model year 6.2L/6.5L diesel engines.

The 6.2L/6.5L Diesel Troubleshooting & Repair Guide: This brand new 2018 sixth edition includes glossy full-color photo-quality front and back covers (actual front/back covers shown above), along with a completely updated, reformatted and revised interior that includes 98 glossy B/W pages filled with 147 updated photos and graphics.

This beautifully printed and perfectly bound full-size 8-½" x 11" guide covers two major areas - Troubleshooting & Repair. We've performed nearly every conceivable maintenance operation involving these engines many times and have learned what it takes to produce a long-lasting and reliable repair. This Guide will show you parts of your engine you've probably never seen, and it will explain many innovative and money saving maintenance procedures not discussed in any other manual of this kind. You'll learn what recommended sealants are required and how to apply them, what tools are required and how to use them, what fastener torque values are required and in what sequence they need to be tightened. The procedures and recommendations found in this Guide are the result of knowing with certainty what works and what doesn't. We don't sell any of the products discussed in this Guide nor were we paid to include any product discussion, so you know you're getting only the best and most unbiased information.

Troubleshooting:

  • No Start
  • Hard Starting
  • Rough Running
  • Excessive Black Smoke
  • Excessive White Smoke
  • Engine Stalls
  • Low Power
  • Low Fuel Mileage
  • Coolant Leakage
  • Excessive Oil Consumption
  • Unusual Engine Sounds and Vibration
  • 1982-84 Glow Systems
  • 1985-93 Glow Systems
  • 1994+ Glow Systems
  • Overheating
  • Surviving a Trip to the Mechanic

The Removal & Replacement section contains removal and replacement information for most diesel and mechanical systems that bolt to the 1982 6.2L to 1999 6.5L shortblock. This Guide is different from most other maintenance manuals covering this subject in that not only will you find the specific information you need to do the work, but we'll also explain why some of the procedures and techniques are necessary, which can help to produce a longer-lasting repair.

Removal & Replacement

  • Starter
  • Flywheel & Flexplates
  • Intake & Exhaust Manifolds
  • Fuel Injectors
  • Fuel Injection Pump
  • Water Pump
  • Fuel Lift Pump (both electric and mechanical)
  • Vacuum Pump
  • Glow Plugs
  • Cylinder Head Gaskets
  • 6.2 Rear Main Seal
  • Timing Set & Aluminum Front Timing Cover
  • Coolant Crossover Housing & Thermostat(s)
  • Fuel Filters (82-99)
  • GM Diesel Parts Suppliers
  • Bolt Torque Specifications
  • Diagnostic Trouble Codes


Click this link to see what others have said about our books and guides. The 6.2L/6.5L Troubleshooting & Repair Guide was our very first publication, and it has always been popular with diesel owners - and for good reason. This revised and updated 2018 edition is visually stunning while remaining vitally important, and is a "must have" for any 6.2L/6.5L owner. Every single 6.2L and 6.5L book we offer is each a tremendous value, but if you can only buy one, this is it.

To get your copy of the latest 6.2L/6.5L Troubleshooting & Repair Guide, please visit our secure on-line form or call to place your order - $29.95 + $7 USPS Priority mail (additional mailing costs for non - U.S. addresses).


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