March 7: GM 8L90 Transmission Lawsuit Survives Motion to Dismiss news | 2 days ago January 26: Shift to Park Lawsuit Transferred to Tennessee news | 42 days ago January 23: Chevrolet Equinox EV Recall Announced For Braking Problems recalls | 45 days ago January 19: GM 6L90 Transmission Failures Seem to Be Over investigations | 49 days ago January 18: GM L87 Engine Failures Investigated in Nearly 877,000 Vehicles investigations | 50 days ago
Chevrolet TSB #PIP4925B
2002 Chevrolet Impala

TSB Document:
Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
- Summary
- This preliminary information document communicates a tip on the way to diagnose possible induction or exhaust air leaks using the evaporative emission cart smoke machine and ultrasonic leak detector tools.
Click a tab for more information.