1999 GMC Yukon Denali Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 1999 GMC Yukon Denali
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1999 GMC Yukon Denali ProblemsThe Upper Dash May Crack
The upper dash may crack, most commonly on vehicles in warm climates and exposed to a lot of sunlight. The common repair is to replace the upper instrument trim panel. Information on a technical service bulletin or extended warranty is not available at this time.
The inside and outside door handles are prone to breaking.
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.
1999 GMC Yukon Denali QuestionsIt cut off, out of gas. Now is has gas in it, it won't start.. ???? (2 answers)
Tried to make to get gas, cut off at light didn't make it no gas. I then
When readiness monitors reach 100% ready, ses light comes back on and throws codes po420&po430.could timing issue throw these codes or does it have to be bad cats?
I've repaired & replaced many parts,to find later those parts were not even bad.now it failed emissions part of smog test.how do i test the cats so I don't waste more$?