Sierra 1500 4WD V8-4.8L (2007)
Exhaust Pipe Gasket: Service and Repair
Exhaust Seal Replacement (4.8L, 5.3L, 6.0L, 6.2L)
Removal Procedure
1. Remove the catalytic converter.
2. Remove and discard the appropriate exhaust seal (1 or 2). (1500 series shown, 2500 series similar).
Installation Procedure
1. Install the NEW appropriate exhaust seal (1 or 2). (1500 series shown, 2500 series similar).
2. Install the catalytic converter.
