Question about 2004 Chevrolet Silverado 2500HD

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2004 Chevy 2500HD Duramax 4x4. Both rear door locks do not function. They would work intermittently for a while, especially if truck was running, ( more volts I assume. ) some say it's a grounding problem, others say solenoids. Where would I check grounding?

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 393 Answers

SOURCE: 2005 2500HD Duramax starter won't engage when cold (intermittent)

check operation of the ignition switch spray some lockease w/graphite into actual cylinder where key is inserted.

Posted on Nov 26, 2008

TheValley
  • 6 Answers

SOURCE: 4X4 inop on 2003 GMC Sierra 2500HD

I have found that when you are going to engauge 4x4 high, it is best to only be going about 3 miles an hour. Not faster, not stopped. It likes some movement to help it mesh. I've had perfect shifts since I started this. Hope it helps. Wade.

Posted on Jan 27, 2009

  • 1 Answer

SOURCE: The tachometer and the gauges on the left of the tach don't work

I have the same truck.   The instrument cluster is a sealed unit that is not repairable by mere mortals.   You might want to check the large plug-in connector on the back and see if it is partailly out, although that's not likely.  More likely is that there is an electrical short in the cluster, and it will have to be repaired.  Your dealer can send it out, or there are a couple of independent shops that you can find on the web to send it to.   I lost the LED's in mine and had to send it out.   It's really easy to get out - just pop off the front trim that goes around the instruments and the radio/climate control and take out the couple of screws that hold it in.  Make sure you disconnect the battery first.   Also, it's easier to get out the trim if you start er up, keep your foot on the brakes, put the shift level all the way down to the right, then shut the truck off.    Hope this helps.  > Joe

Posted on Mar 11, 2009

  • 1 Answer

SOURCE: Duramax Shuts off at 1000 rpms

I had the same problem and it ended up being the EGR Valve that was sticking.

Posted on Apr 28, 2009

Auto Master
  • 139 Answers

SOURCE: Need to know Oil Capacity for Duramax 6.6 in 2004

Hello,
The requirement is 10 QTS. I use 10 and check it cause some times they hold 11 QTS. I hope this helps. If you have more questions reguarding this or other conserns please ask me. Please remember high ratings are very important to me.

Thank You,
Roy

Posted on Aug 28, 2009

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