GMC Sierra Denali Repair and Maintenance

A guide to problems, costs, maintenance and repair for your GMC Sierra Denali

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GMC Sierra Denali Problems

Contamination of extended life coolant
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
Replace spark plugs every 100,000 miles

The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.

"No start" Caused By Failed Fuel Pump

The fuel pump may fail causing the engine to stall and not restart.

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GMC Sierra Denali Questions

What causes vehicle to would sputter when I press gas peddle while driving (1 answer)

Pressed acceleration peddle and vehicle sputtered as if it wanted to die. I then pulled over and shut vehicle off. Attempted to start and it would not crank unless I pressed the gas peddle.

What could this be

I have a quadrasteer. I need to get rear brake calipers. (2 answers)

I'm looking for rear brake calipers but most online stores just list Sierra Denali. However, I have a quadrasteer and it needs different part from 2 wheel steer. I ordered calipers but thye didn't fit. Couls somebody recommend correct rear calipers for my vehicle. Really appreciate any he...

Sometimes my radio controls on the steering operate backwards, why is this? (1 answer)

When I adjust radio volume down, it goes up. When I change stations up it changes station down the dail.
This problems occurs about 50% of the time when I'm driving.
I usually just use the manual controls on the radio, they work fine.

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GMC Sierra Denali Recalls

Recall 06V417000
CERTAIN VEHICLES ORIGINALLY BUILT WITH CLOTH SEATS THAT WERE EQUIPPED WITH AN AUTOMATIC AIR BAG PASSENGER SENSING SYSTEM AND LATER REUPHOLSTERED WITH AFTERMARKET LEATHER SEAT COVER KITS ARE INVOLVED. TESTING HAS INDICATED THAT THE AFTERMARKET LEATHER SEAT COVERS CAN CAUSE THE PASSENGER SENSING S...
Fuel May Leak from Fuel Rail

The retainer clip for the fuel rail pulse damper may fracture and allow the damper to come loose from the fuel rail. A fuel leak in the presence of an ignition source may result in a fire. Dealers will replace the engine fuel rail pulse damper free of charge. The recall began August 31, 2006. The GM recall number is 06080.

Tire and Loading Information Labels Are Innacurate

The tire and loading information label on the driver's side door frame may be inaccurate. A misprinted label could lead to overloading of the vehicle, which could possibly lead to tire failure and a crash. Owners will be provided with corrected labels and installation instructions. At customers' request, a dealer can install the label for them. The recall began March 31, 2006. The GM recall number is 05109.

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GMC Sierra Denali Reviews

I've had my 2002 Sierra Denali for 3 years and the truck has served me well. The 6.0 V8 will run forever as long as you maintain is regularly. I did buy an extended warranty on my truck that came in handy. The rear dif was making noise, but the warranty covered a full tear down of the dif and quadrasteer and rebuild with new factory parts, done at a quality GM dealership. The front wheel bearin...
Mine has been a great truck! Love the quad steer, The brakes are quite weak.
rear steer is crap ,, when it goes bad ,it goes real bad vary expencibe to fix and no one kniows how to fix them

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