hardly worth mentioning
Crashes / Fires:
0 / 0
Injuries / Deaths:
0 / 0
Average Mileage:
118,817 miles

About These NHTSA Complaints:

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problem #7

Oct 012014

Silverado 8-cyl

  • 113,250 miles
Exhaust manifold bolt on driver side at rearmost part of engine has broken off.

- Fitzgerald, GA, USA

problem #6

Oct 072014


  • 100,000 miles
After discovering an exhaust leak performed a visual inspection of the engine. I have a 2004 Silverado with the 6.0L. I ave discovered that there are an abundance of these vehicles out there with the same problem. This is causing exhaust fumes to enter the engine compartment and cab of the vehicle.

- Pearl River, LA, USA

problem #5

Jun 012010


  • 130,000 miles
The contact owns a 2004 Chevrolet Silverado. The contact stated that while driving at various speeds, the check engine light illuminated and the vehicle suddenly stalled. The contact indicated that after restarting the engine the vehicle operated as normal. The contact also indicated that the passenger side seat belt had malfunctioned and the passenger was unable to move while the seat belt was in the locked position. The vehicle was not diagnosed or repaired. The manufacturer was notified of the defect but no solution was offered. The failure mileage was 130,000.

- Evanston, WY, USA

problem #4

Jun 302014

Silverado 8-cyl

  • 99,470 miles
I have the castech heads on my truck that are known for getting cracks in them and leaking anitifreeze into the engine. The way it sounds there should of been a recall on these heads, this isn't a normal wear and tear deal. Why should the consumer pay for the cost of replacing something that obviously is a manufacturer defect since more than just one person is complaining. It seems like also that GM has helped a few people and then told others that they can't help.

- Kansas City, MO, USA

problem #3

Feb 012013


  • 110,000 miles
The contact owns a 2004 Chevrolet Silverado. The contact stated that the vehicle was blowing cold air and the defroster failed. The vehicle was taken to the dealer who stated the cylinder head had cracked. The vehicle was not repaired. The manufacturer was made aware of the failure however provided no further assistance. The failure mileage was 110,000. The current mileage was 112,000.

- Haverhill , MA, USA

problem #2

Apr 272013

Silverado 8-cyl Diesel

  • 119,000 miles
Engine lost power in heavy traffic at highway speed due premature failure of diesel fuel injector. Come to find out injector have known defect and high failure rate.

- Apache Junction, AZ, USA

problem #1

Aug 072012

Silverado 8-cyl

  • 160,000 miles
I went out to leave for a meeting and started my truck. I heard a ticking noise that I had not heard prior to this morning. I opened the hood to investigate the cause of the ticking and discovered on the left bank one of the exhaust manifold bolts was missing the head. I then went around to the right bank and noticed that the exhaust manifold was broken completely about mid way of the manifold. I have owned this vehicle since it was new off the dealership and have had very little issue with it until this issue popped up. I have done some research and discovered that this is a major problem affecting Chevrolet and GM vehicles with 8 cylinder engines. This vehicle is used as a daily driver and is not used for commercial towing, nor is it used for towing on a regular basis.

- Corsicana, TX, USA