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 2001 Chevrolet Tahoe. The contact noticed that the vehicle was experiencing oil consumption failure. Tracy Chevrolet performed an oil consumption diagnostic that spanned three years. The result of the diagnostic was that there was potential engine failure. In 2004, the dealer stated that the cylinder head level was missing a part from the factory assembly. Two months later, the vehicle continued to experience oil consumption failure. A General Motors customer service agent promised to provide a new engine if the repair to the cylinder did not remedy the failure. Three years later, the dealer performed another oil consumption test and found yet another part missing from the original assembly. The contact asked General Motors to replace the engine as promised but they refused to comply. The current mileage is 83,600 and failure mileage was 15,000.
While driving at any speed consumer heard a loud noise coming from the front. Vehicle was taken to the dealer for inspection, and mechanic determined that the loud noise was normal.
A loud embarrassing and annoying internal engine knock. Defective due to design and manufacturing quality consistency problems. Higher than normal levels of wear related materials in oil analysis. Vertical piston and cylinder wall scuffing/scratching or scoring on the hammering (noisy) cylinders upon visual inspection. Reduced combustion chamber compression on the hammering (noisy) cylinders. Increased oil consumption. Increased exhaust emissions.
Oil light flashed on the dashboard. This caused the vehicle to shut down. Consumer took the vehicle to the dealer for analysis, and mechanic noticed sludge inside of the engine.
While traveling on the highway without prior warning the vehicle will shut down. Please provide additional information, dealer is aware of the problem.
- Montebello, CA, USA
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- Tracy, CA, USA