Close

2008 GMC Yukon Denali Problems

Find the most common issues based on 2008 GMC Yukon Denali owner complaints.

Most Common 2008 GMC Yukon Denali Problems

The upper dash may crack, most commonly on vehicles in warm climates and exposed to a lot of sunlight. The common repair is to replace the upper instrument trim panel. Information on a technical ...
The inside and outside door handles are prone to breaking.
The anti-theft system may fail causing a no start condition, the security light may illuminate. Our technicians tell us that the ignition switch may need to be replaced to correct this fault.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Looking for a particular 2008 GMC Yukon Denali problem?

0 Known 2008 GMC Yukon Denali Brakes Problems

2 Known 2008 GMC Yukon Denali Drive Train Problems

The front or rear differential may develop an abnormal noise due to worn bearings or another internal fault. Our technicians tell us that a complete overhaul of the affected differential is com...
Our technicians highly recommend that the transmission is serviced every 30,000 miles to avoid problems and maintain optimal operating order.

4 Known 2008 GMC Yukon Denali Electrical & Lights Problems

The anti-theft system may fail causing a no start condition, the security light may illuminate. Our technicians tell us that the ignition switch may need to be replaced to correct this fault.
The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault. ...
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.

2 Known 2008 GMC Yukon Denali Engine Problems

The GMC Yukon Denali uses a throttle position sensor (TPS) which commonly fails and causes: Check engine light illumination Reduced Power message OBD trouble code P2135 This issue is relate...
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.

1 Known 2008 GMC Yukon Denali Exhaust & Emissions Problem

A Loose or worn gas cap may cause Check Engine Light to illuminate.

2 Known 2008 GMC Yukon Denali Heating & Air Conditioning 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...
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

0 Known 2008 GMC Yukon Denali Maintenance Problems

5 Known 2008 GMC Yukon Denali Miscellaneous Problems

The upper dash may crack, most commonly on vehicles in warm climates and exposed to a lot of sunlight. The common repair is to replace the upper instrument trim panel. Information on a technical ...
The inside and outside door handles are prone to breaking.
The power door lock actuators may become slow to operate or stop working completely and require replacement.

0 Known 2008 GMC Yukon Denali Suspension & Steering Problems

16
Known 2008 GMC Yukon Denali Problems & Complaints

A Loose or worn gas cap may cause Check Engine Light to illuminate.
The front or rear differential may develop an abnormal noise due to worn bearings or another internal fault. Our technicians tell us that a complete overhaul of the affected differential is com...
The upper dash may crack, most commonly on vehicles in warm climates and exposed to a lot of sunlight. The common repair is to replace the upper instrument trim panel. Information on a technical ...
The anti-theft system may fail causing a no start condition, the security light may illuminate. Our technicians tell us that the ignition switch may need to be replaced to correct this fault.
The inside and outside door handles are prone to breaking.
The speedometer or other instrument panel gauge may begin to work erratically at times. Our technicians tell us that the instrument cluster must be sent to a repair facility to correct this fault. ...
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...
The power door lock actuators may become slow to operate or stop working completely and require replacement.
The keyless entry system may stop working. Our technicians tell us the key fobs and keyless entry receiver may need to be replaced to correct this fault.
The inside door handles are prone to breaking.
The GMC Yukon Denali uses a throttle position sensor (TPS) which commonly fails and causes: Check engine light illumination Reduced Power message OBD trouble code P2135 This issue is relate...
Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.
The spark plugs should be replaced every 100,000 miles. Our technicians recommend replacing the spark plug wires also at this time.
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.
Our technicians recommend flushing the brake fluid every 60,000 miles. Brake fluid that is dirty may cause problems in the brake system.
Get a Repair Estimate
Guaranteed by certified locations nationwide. Learn more
RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
Researching a 2008 GMC Yukon Denali?
Get maintenance costs, reviews, recalls and more.