2001 GMC Yukon XL Denali Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2001 GMC Yukon XL Denali
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2001 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.
2001 GMC Yukon XL Denali Questionswhy will my vehicle not go into reverse? (1 answer)
This occurred when I stopped and put it into reverse. It will go into drive but makes a grinding noise.
bright seems ok
Will this vehicle function properly as a 2 wheel drive vehicle if I remove the drive chain from the transfer case?
2001 GMC Yukon XL Denali RecallsGM Recalls 2000-2001 1500-2500 Trucks and SUVs Due to Fuel Pump Wiring Overheating
The wiring to the fuel pump may overheat, which may cause multiple concerns. The fuse for the pump may blow, which will prevent the vehicle from starting and running. A check engine light may come on from connector damage. Fuel may leak out of the connector body and create a fire hazard. Dealers will remove the fuel tank and remove the module reservoir assemblies from the fuel tank, and install a new service kit.