Low Coolant Indicator in 2004 Duramax Diesel

Volume 2 Issue 1 - Duramax Issues and Answers

I have an 2004 DMax and I get low coolant indications and it is actually a little low (one-third of a gallon). I have had a pressure check from a dealer and they say everything is fine. What could be causing this situation?

This issue appeared once already in the Summer 2008 issue of maxxTORQUE. I am highlighting it again as new light continues to be shed on a potential...

   

What are the effects of leveling and other suspension changes for towing?

Volume 2 Issue 1 - Duramax Issues and Answers

Can you talk about effects of leveling and other suspension changes for towing?

As a GM technician, I get to drive all kinds of modified trucks, towing and empty. I have come to a basic, simple conclusion as regards the OEM suspension system: if you don’t know exactly what you are doing, leave it alone! Too many modified trucks that I have driven are absolutely scary. They can have an unstable on-center feel, pronounced bump-steer, excessive sway under load, memory steer, etc. The mods have butchered what would have otherwise been a great-handling truck.

So what modifications do work?



   

Joel Paynton is an award-winning GM technician who specializes in Duramax fuel systems. He also does custom programming for any GM powertrain. Visit him on the web at www.payntonperformance.com.

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