2003 Chevrolet Silverado 2500 Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2003 Chevrolet Silverado 2500

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2003 Chevrolet Silverado 2500
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2003 Chevrolet Silverado 2500
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2003 Chevrolet Silverado 2500
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2003 Chevrolet Silverado 2500
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2003 Chevrolet Silverado 2500
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Repair Estimates

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2003 Chevrolet Silverado 2500
$
514
to $
1,326
2003 Chevrolet Silverado 2500
$
154
to $
217
2003 Chevrolet Silverado 2500
$
151
to $
264
2003 Chevrolet Silverado 2500
$
422
to $
1,622
2003 Chevrolet Silverado 2500
$
533
to $
811

2003 Chevrolet Silverado 2500 Problems

Check Engine Light Due to Gas Cap Issue

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

Replace spark plugs every 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.

Improper HVAC Temperature and/or Air Delivery Due to Failed Mode Door Actuator

One or more heater & AC (HVAC) air delivery and/or temperature mode door actuator may fail. This can result in incorrect air delivery or temperature. If this occurs, fault code(s) stored in the HVAC control module should be available to assist with diagnoses.

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2003 Chevrolet Silverado 2500 Questions

What step to take next? (1 answer)

My dealership mechanic replaced the throttle body and switch.
Currently the engine reduces power to about 40 mph lasts about a day then engine light and problem goes away, but then comes back every 2 or 3 days. How do i fix this problem for good. Throttlebody not dirty, no floor mat issues. Thx

fuel in oil (1 answer)

working on 2003 with 220000 miles on it and it is getting fuel in the oil it has a 6.6 Duramax. Could it be the injectors and the sleaves?

03 with a 6.0 in it I am getting fuel in the oil. (1 answer)

Could this be a bad injector,sleave,or both?

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2003 Chevrolet Silverado 2500 Recalls

Recall 05V161000
ON CERTAIN PICKUP TRUCKS EQUIPPED WITH MANUAL TRANSMISSIONS AND BUILT WITH EITHER PBR PARKING BRAKE SYSTEMS OR TRW PARKING BRAKE SYSTEMS, THE PARKING BRAKE FRICTION LININGS MAY WEAR TO AN EXTENT WHERE THE PARKING BRAKE CAN BECOME INEFFECTIVE IN IMMOBILIZING A PARKED VEHICLE.
Rear Seat Belt for Smaller Passengers May Not Fit Correctly

The second row center seat belt routing may make it difficult to position correctly on smaller passengers. If the seat belt rides up to fit around the abdomen, the risk of internal injury is increased in a crash. Dealers will cut the guide loop, remove a portion of the loop, and the remaining sides should be folded over and secured with a retainer. The recall began July 21, 2005. The GM recall number is 05037.

Recall 04V129000
ON CERTAIN PICKUP TRUCKS AND SPORT UTILITY VEHICLES, THE GALVANIZED STEEL TAILGATE SUPPORT CABLES THAT RETAIN THE TAILGATE IN THE FULL OPEN (HORIZONTAL) POSITION MAY CORRODE, WEAKEN, AND EVENTUALLY FRACTURE. IF BOTH CABLES FRACTURED, THE TAILGATE WOULD SUDDENLY DROP AND STRIKE THE TOP SURFACE OF...

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