1999 GMC Yukon Denali Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 1999 GMC Yukon Denali

1999 GMC Yukon Denali
$375 to $849
1999 GMC Yukon Denali
$506 to $1,844
1999 GMC Yukon Denali
$889 to $1,795
1999 GMC Yukon Denali
$205 to $937
1999 GMC Yukon Denali
$635 to $844

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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.

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

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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$?

See More Questions 52

I bought my 1999 yukon denali when it was a year old and have it for 10 years with 155,000 miles on it not great on gas but very satistied with GMC and the vehicle itself outside of the schedule maintenence and my catalytic converter recently acting up a great truck overall cant wait to buyer a newer one

Has over 160000 miles on it and was used in PA. I had to replace brakelines and power steeringlines. The electric acts up from time to time like the pwr windows stop working or the blower cuts off. But it is very nice looking and pulls my boat like a champ.

Granted I am going off of my own personal 1999 Yukon Denali which had about 82,000 miles had a brand-new 350 crate motor put in it by Chevy before I bought it , I did change the exhaust with magna flow true dual plus highflown cats and a can and cool air intake I get fantastic power and considering the weight I get great gas mileage . Breaks I had met with this size and weight of vehicle the br...

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