Exhaust Pipe Cleaning and Inspection

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Clean the exhaust pipe - Federal Emissions (1).
Clean the exhaust pipe mating surfaces.
Inspect the exhaust pipe for dents or cracks.
Replace the exhaust pipe if any damage is found.

Fig 1: View Of Exhaust Pipe Inspection Areas (Federal Emissions)

Courtesy of GENERAL MOTORS CORP.

Clean the exhaust pipe - California Emissions (2).
Clean the exhaust pipe mating surfaces.
Inspect the exhaust pipe for dents or cracks.
Replace the exhaust pipe if any damage is found.

Fig 2: View Of Exhaust Pipe Inspection Areas (California Emissions)

Courtesy of GENERAL MOTORS CORP.