Avalanche 2500 4WD V8-8.1L VIN G (2003)
Exhaust Pipe Gasket: Service and Repair
Exhaust Seal Replacement
Removal Procedure
1. Raise and suitably support the vehicle. Refer to Vehicle Lifting. See: Maintenance/Vehicle Lifting
2. Disconnect the Connector Position Assurance (CPA) retainer.
3. Disconnect the oxygen sensor electrical connector (1).
4. Support the catalytic converter or exhaust manifold pipe with adjustable jackstands.
5. Remove the right exhaust manifold pipe nuts.
6. Remove the left exhaust manifold pipe nuts.
