2003 GMC Yukon XL 1500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 GMC Yukon XL 1500

The 4WD transfer case encoder motor position sensor or the selector switch may fail causing the service 4WD message to be displayed. Fault code(s) stored in the transfer case control module will be of assistance in determining the exact fault causing the message to be displayed.

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 warranty has been extended on some of these units to 7 years or 70,000 miles.

The daytime running lights are prone to burning out. Our technicians tell us that the light sockets may show signs of heat damage but usually are OK. Always be sure to use the correct replacement bulb for the best life expectancy. The new bulb recommendation for 2000-2003 models is #4114K (trade number).

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The hydro-boost housing relief valve bore may be out of specification. The seal may fracture as a result, which may reduce braking assist and slightly increase the steering effort while braking. Under certain conditions, more braking effort will be required to stop the vehicle. Dealers will replace the hydro-boost relief valve. The recall began June 18, 2004. The GM recall number is 04004.

In 30 degree left angle frontal crash conditions with a severe enough impact, the fuel tank may be punctured by a torn mid-frame cross member. A fuel leak in the presence of an ignition source may result in a fire. Dealers will install a fuel tank shield. The recall began February 20, 2003. The GM recall number is 03002.

On 107 vehicles, one or two welds on the rear door upper hinge may not be to specification. This may cause the door strength to be reduced in a side impact crash. Dealers will inspect the welds and install a bolt to secure the hinge if any are found to be out of specification.

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Paint wearing off front dash board and on radio knobs. Speedometer and other gauges go bad after time.

I love my truck. I have only had the odo fixed which was a recall. It is very reliable.

Under warranty fixed a gas tank sender unit, steering column rattle twice, wheel hub assembly, back rotars. Post warranty fixed the other wheel hub assembly, some electical problems, alternator, both front and back radio and today the rear window motor died. My 2003 is now 10 years old with 117K miles and I've gone about 16 months with no repairs. The initial quality was very diiapointing, I...

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