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definitely annoying
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
46,309 miles

About These NHTSA Complaints:

This data is from the NHTSA — the US gov't agency tasked with vehicle safety. Complaints are spread across multiple & redundant categories, & are not organized by problem.

So how do you find out what problems are occurring? For this NHTSA complaint data, the only way is to read through the comments below. Any duplicates or errors? It's not us.

2003 Chevrolet Silverado 3500 fuel system problems

fuel system problem

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2003 Chevrolet Silverado 3500 Owner Comments

problem #3

Jun 202012

Silverado 3500

  • 25,600 miles


First failure was the dual braking system I was hooked up to a trailer and started down the driveway (about 0.4mile long) and stepped on the brake pedal which went to the floor boards. There was no stopping effort from the brakes. I used the manual control of the trailer brakes to stop the vehicle. Both brake lines under the cab area had rusted out and ruptured at the same time. Had I been on the road at speed this would have been a crash. The dealer who picked up the truck commented that this happens "sometimes". he repleced the lines with non-GM ones so they would last longer. This winter I was having trouble starting the truck in cold weather and noted that I needed to operate the manual fuel priming pump to get the truck started. (truck is equipped with the optional diesel engine. The dealer when working on this noted that the lines were very rusty and need to be replaced. My safety concern this time was the small amounts of fuel weeping out of the rusted areas under the hood near the exhaust. And onto the ground. It seems that there is a great amount of rust occurring on the brake and fuel lines. This worries me as the truck only has about 36,000 miles on it and I live in a state (Vermont) that uses sand and not salt on the roads and travel only minimally in snow with the truck. When I was having the fuel lines replaced and while there the other two customers in line were also having rusted brake lines replaced. Seems like more than a coincidence. I have requested the rusted fuel lines from the dealer and still have them if you want to see them.

- North Bennington, VT, USA

problem #2

Nov 192012

Silverado 3500

  • 75,000 miles
After noticing a gas leak, I asked my father to drive my truck to the dealership for repair. When he put the truck into reverse he had no brakes and had to use the emergency brake before rolling into my mother's car behind him. Upon inspection by the dealership, all of my brake lines and gas lines were badly rusted and had to be replaced. Upon research I found this problem quite widespread and expensive, not to mention the critical safety issues involved. I do want to know that Chevrolet/GM is concerned about our safety and is addressing this problem.

- Beacon, NY, USA

problem #1

Feb 232005

Silverado 3500 4WD 8-cyl

  • 38,327 miles
2003 Chevrolet Silverado experiencing problems with the gas gauge and the speedometer. The speedometer needle became stuck and would not return to zero. The dealer replaced the cluster. The gas gauge was inaccurate which caused the vehicle to run out of gas. The gauge indicated that there was 1/4 tank of fuel remaining. The dealer replaced the fuel module assembly.

- Dallas, GA, USA

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