2003 GMC Yukon Denali Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 GMC Yukon Denali

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2003 GMC Yukon Denali Problems

Stalling or Low Engine Idle Speed Due to Dirty Throttle Body

A dirty throttle body may cause a lower than normal idle and possible stalling condition. Performing a throttle body service will commonly correct this concern.

Rear Window Defogger Wire Terminal Broken Off of Window Glass

The rear window defogger may stop working due to a wire terminal broken off of the rear glass. Our technicians tell us that terminal can be reattached using a special glue or silver solder.

Front/Rear Differential May Develop Noise Due to Worn Bearings

The front or rear differential may develop an abnormal noise due to worn bearings or another internal fault. Our technicians tell us that a complete overhaul of the affected differential is commonly necessary to correct this condition.

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2003 GMC Yukon Denali Questions

How much $ should I expect to pay for a transfer case or differential issue? (1 answer)

After spending $650 on new front bearings, my truck now has either a transfer case issue or a differential bearing issue. I am a bit scared as to what this is going to cost me. Any input?

The window in my rear access won't latch. (2 answers)

what does it mean when it reads "service ride control" (1 answer)

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2003 GMC Yukon Denali Reviews

Iam very happy with my Yukon-Denali 2003, have 110330 miles, Nilo Barredo Sr.
I bought this car as a GM demonstrator in Spring 2004. It now has 110,000 miles on it. Like people things start to go as one matures. The latest was a "cluster problem"---the speedo "flat lined". Apparently there was a notice sent out a few years ago about the problem. But GM would repair vehicles with less than 70,000 miles. As a result, I just forked over $600+. to repair the "cluster ...
My wife and I bought a brand new 2003 GMC Yukon Denali and have been very happy with it. I have had a rattle in the muffler and now I need to replace the water pump, not bad for a 7 years.

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