2004 GMC Yukon Denali Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2004 GMC Yukon Denali

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2004 GMC Yukon Denali Problems

Check Engine Light Due to Gas Cap Issue

A Loose or worn gas cap may cause Check Engine Light to illuminate.

"No start" due to anti-theft system failure
The anti-theft system may fail causing a no start condition, the security light may illuminate. Our technicians tell us that the ignition switch may need to be replaced to correct this fault.
ABS Warning Light On and/or Erratic ABS Operation

The anti-lock brake system (ABS) front wheel speed sensors are prone to failure. When a sensor fails, the ABS warning light may illuminate and/or the ABS system may activate erratically.

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2004 GMC Yukon Denali Questions

Led taillights brake light not working (1 answer)

Okay so my brake lights aren't coming on with my led taillights. But they do come on with my lights set to auto however they do not with my lights fully on or with marker lights on... if I also changed the bulbs all to incandescent and everything works as it should. So what the heck is up wit...

There is a loud clanging underneath the car. What could that be? (1 answer)

It sounds like aluminum cans in a larger can banging around. Even when the car is idling the noise persists. It is not usually there when you first start the car.

Heater not blowing (1 answer)

As of this morning the heater isn't blowing. Yesterday I drove for 20 minutes before it decided to come on. And that was after allowing it to warm up for 10-15 minutes. But today it didn't blow at all. Should I still try to wiggle the wire or does this sound like something else

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2004 GMC Yukon Denali Reviews

Dear Hempsted NY. You and I must have the exact same Denali. Every problem you listed is identical to the problems I am having. I thought for years, my truck was rock solid. My radio blacks out then recovers on its own. My right front tires wear strangely and my brakes were recently changed, pads and rotors now, I don't trust my brakes....waaay too spongy for my liking. I guess thats GMC tel...
my vehicle is in good shape but it have been given me the next list of problems 1 the right front wheel is worn, and i have seen many denali's whit that problem 2 the trany started shifting on his own 3 after the first time i changed the brakes it haven't been the pedal is always spongy the only time it get's hard is when i take it to the car wash after a couple of days it ...
I bought mine used w/about 99,000 miles on it. It has never left me stranded or not started, etc. But i've had it nearly 8mos now and have only put about 5,000 miles on it (i also have a 2008 sebring i bought new, that has 52,000 on it already) i do a lot of driving. This Yukon has been in the shop more than on the road! Some of the denali trim is peeling off on the rear and the front quar...

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