20 Most Recent 2005 GMC Sierra - Page 7 Questions & Answers

this is not a very good sign really. if you rev up to about 4-5 thusand rpm (more than usual) while driving in a safe mannor of course and see smoke then you will find the piston rings are probably going. you might al;so want to take into consideration that your valve stem oil seals are all internal as well so no real sign of leakage.so could also be the culprit.

Check the fuse in the under dash fuse box for a blown fuse related to the radio/cd player.

Here's a guide to the head bolt torque.

Code 53 is for a problem with the heater in the O2 sensor for bank one sensor one. It could be something in the wiring or you could have a defective sensor.

No, a feature like this would kill your battery life and ultimately be pointless.----------------------------------------card for gm tech2

It's not just Deisels, it;s pretty much any auto 4 wd push button, I have a 99 silverado. I've changed mine out, another design problem they don;t want to fix !

Sounds like a drive axle,not a huge project and the axles are reasonably inexpensive.