2008 GMC Yukon XL Denali Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2008 GMC Yukon XL Denali
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2008 GMC Yukon XL Denali ProblemsImproper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator
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.
Illumination of the Check Engine Light can be caused by a loose or worn gas cap.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
2008 GMC Yukon XL Denali QuestionsWhy does my Cruise Control only work some of the time? (1 answer)
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?
2008 GMC Yukon XL Denali RecallsPassenger Frontal Air Bag Inflator Ruptures On Deployment
The passenger frontal air bag inflator may rupture on deployment, causing metal fragments to come through the air bag and injure occupants. Dealers will replace the passenger frontal air bag inflator free of charge to resolve the concern.
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.