Exhaust Pipe Cleaning and Inspection for GMC Truck GMC K Sierra - 4WD 2002

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



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