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.
The contact owns a 1999 Chevrolet Silverado. The contact stated that the exhaust manifold studs detached from the cylinder head causing exhaust fumes to leak from the engine. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The approximate failure mileage was 90,000.
I have a loud ticing noise coming from the left rear of the engine. While I was pulling my 5th wheel the noise kept getting louder and louder and had loss of power. By the time we got to the camp ground it sounded like I had lost my mufler. We took it to muffler man of ludington and they discovered that 4 exhaust manifold bolts had sheared off, 2 on left year and 2 on right rear of both manifolds. They took the manifolds off and replaced all the bolts with new ones except for the very left rear was sheared off flush and could not get a drill in to drill out and tap. In order for them to get this out they would have to pull the head which would have cost $1000. They put it back together and the tic was gone. This only cost me 6 hours of vacation with my family and $200. The tic has returned.
The gas pedal sticks. I have to clean my throttle body out with cleaner about every 1000 miles. Even after a cleaning it still sticks a little. This is a safety concern, because I have to use more pressure on the gas pedel, then it unsticks and the truck lurches foword with no control.
The following have all been replaced: 5.3 L engine, catalytic converter, four oxygen sensors, 1 starter sensor, 1 crank sensor, 1 window regulator, rear air-vent assembly, 1 shaft in the front suspension, 1 headlight bracket, 1 knock sensor, 4WD switch, 1 clamp for rear window. Vehicle is 15 months old and has 32 days of in-shop service. Service engine light has come on 4 times in 14 days. On 12/4, vehicle stalled when attempting to accelerate. Engine had a spare part left in at manufacturing and was destroyed from the part flying around inside. ABS has engaged too soon in the past and vehicle could not be stopped.
Constant loud ticking noise from left side of engine/underbody. Only audible while truck is in gear and under accelleration. Suspect faulty catalytic converter or manifold to exhaust seals. If leaking, could pose health threat. Dealership and Chevrolet advised. So far, response is that is the way it was designed. Noise is simply engine harmonics passing through tailpipe. I disagree
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- Pensacola , FL, USA