Two problems related to engine exhaust system have been reported for the 2001 Chevrolet Tahoe. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2001 Chevrolet Tahoe based on all problems reported for the 2001 Tahoe.
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.
Nhtsa#00-v-343-000: consumer has the same problem and dealer could not duplicate or correct the problem. Ph.