Removal Procedure
- Open the lift gate.
- Remove the outer quarter panel upper applique. Refer to APPLIQUE REPLACEMENT - QUARTER PANEL UPPER .
- Remove the upper rear garnish molding. Refer to GARNISH MOLDING REPLACEMENT - REAR UPPER (TAHOE/YUKON/ESCALADE/SUBURBAN) or GARNISH MOLDING REPLACEMENT - REAR UPPER (AVALANCHE/ESCALADE EXT) .
- Remove the corner rear garnish molding. Refer to GARNISH MOLDING REPLACEMENT - REAR CORNER .
- Depress the locking tab on the back of the pressure relief valve to remove from the rear of the vehicle.
- Remove the pressure relief valve from the vehicle.