GMC Yukon XL Denali Repair and Maintenance
A guide to problems, costs, maintenance and repair for your GMC Yukon XL Denali
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GMC Yukon XL Denali ProblemsHeating and AC Temperature and Air Delivery Mode Door Actuators May Fail
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.
A rattling noise may develop from the AC belt tensioner. This can be caused by an internal fault with the AC compressor, AC performance may also be diminished when this occurs. Our technicians tell us that replacing the ac compressor will commonly correct this concern.
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.
GMC Yukon XL Denali QuestionsThe passenger side mirror no longer folds in electronically. What is the likely cause and more importantly, repair solution? (1 answer)
Body type code?
GMC Yukon XL Denali RecallsRoof Rail Air Bags May Be Damaged During Deployment
The roof rail air bags may be punctured or torn by the roof carrier hardware during deployment due to being installed without proper reinforcements where they mount. Dealers will replace the roof carrier attaching hardware 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.
The RTV seal on the fuel system control modules may allow water to enter into the module. Water in the module can cause a short, which may cause hard starting, a crank-no start condition, or stalling, and the Service Engine Soon light may come on. If the engine stalls unexpectedly, there is an increased risk of a crash. Dealers will replace the fuel system control module free of charge. The recall began on May 18, 2009. The GM recall number is 08411.