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2008 GMC Yukon XL Denali Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 GMC Yukon XL Denali

2008 GMC Yukon XL Denali Problems

One or more heater & AC (HVAC) temperature and/or air delivery mode door actuator may fail, resulting in improper temperature or air delivery. If this occurs, fault code(s) should be stored in the HVAC control module which should assist in diagnoses.

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.

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

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2008 GMC Yukon XL Denali Questions

The problem occurs every time I try to set the cruise. then after a while during the trip it will work and then go on and off during a trip. my 2008 Denali has 72,000 miles on it. I appreciate any help you can give. Thanks

What is the estimated cost of the 30K scheduled maintenance?

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2008 GMC Yukon XL Denali Recalls

The heated washer module under the hood could overheat due to excessive current draw. Under certain conditions, this could result in an under hood fire. This previous recall attempt in 2008 to repair this concern did not have the expected success. Dealers will now permanently disable and remove the heated washer module to correct this concern. This recall is expected to begin on June 20, 2010.

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