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Resources for the Repair and Maintenance of your 2003 GMC Yukon XL 2500

2003 GMC Yukon XL 2500

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2003 GMC Yukon XL 2500 Problems

Electrical & Lights -- Verified

A clicking noise may be noted from the turn signal flasher after the turn signals are switched off.  This is commonly cause by a faulty turn signal switch which will require replacement.

Heating & Air Conditioning -- Verified

Extended life coolant may become contaminated and require cooling system service before the recommended 100,000 miles.

Exhaust & Emissions -- Verified

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

Electrical & Lights -- Verified

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.

Drive Train -- Verified

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.

2003 GMC Yukon XL 2500 Recalls (Recent)

Body, Interior & Misc., February 17, 2003

RepairPal Expert Overview:

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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Brakes, June 18, 2004

RepairPal Expert Overview:

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.

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Engine, February 20, 2003

RepairPal Expert Overview:

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.

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2003 GMC Yukon XL 2500 Questions and Answers

Rayski, 2003 GMC Yukon XL 2500, 8.1L V8, Bettendorf, IA

My back door and glass will not lock with the remote or with the buttons to lock all doors. There is no key slot. What is likely the cause? How can I fix it?

4nanas6, 2003 GMC Yukon XL 2500, 8.1L V8, Pahrump, NV

wife was driving and said motor sped up. she parked it and it would not restart. I tried to start it and noticed the indicator showed 2nd gear as soon as the key was turned to the start position. p...

madd1, 2003 GMC Yukon XL 2500, 6.0L V8, Syracuse, UT

I am just trying to replace my antenna.

RESCUE-K9, 2003 GMC Yukon XL 2500, 6.0L V8, Joliet, IL


Garyalanyoung, 2003 GMC Yukon XL 2500, 8.1L V8, Fort Collins, CO

I have two key fobs that suddenly neither will work the remote lock/unlock feature. I havent noticed other things not working.

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