2006 GMC Yukon XL Denali Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2006 GMC Yukon XL Denali
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2006 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.
2006 GMC Yukon XL Denali Questionshad to unlock door with key and found no power to vehicle at all inside either (1 answer)
nothing lights up when turning on key no power to do anything
The rear hatch door will not unlock
Brake system bleeding,is it right rear, left rear then right front,then left front last?
2006 GMC Yukon XL Denali RecallsFuel May Leak from Fuel Rail
The retainer clip for the fuel rail pulse damper may fracture and allow the damper to come loose from the fuel rail. A fuel leak in the presence of an ignition source may result in a fire. Dealers will replace the engine fuel rail pulse damper free of charge. The recall began August 31, 2006. The GM recall number is 06080.
The tire and loading information label on the driver's side door frame may be inaccurate. A misprinted label could lead to overloading of the vehicle, which could possibly lead to tire failure and a crash. Owners will be provided with corrected labels and installation instructions. At customers' request, a dealer can install the label for them. The recall began March 31, 2006. The GM recall number is 05109.