Additional Inspections

WARNING: This page is about a different car, the 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, 2003 Chevrolet Monte Carlo, and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.

Inspect intake and exhaust manifolds for casting flash.
Check the Torque Converter Clutch (TCC) operation.
Check the exhaust system for damaged or collapsed pipes. Check mufflers for heat distress or possible internal failure. Check the catalytic converter for plugged condition. Go to EXHAUST SYSTEM in SYSTEM & COMPONENT TESTING - 3.4L ALERO, GRAND AM, IMPALA & MONTE CARLO article.