The pressure relief valves are in the front doors of the pickup models. The pressure relief valves are behind the quarter panel stationary glass on utility and Suburban models.
1.1. | Remove the screw retaining the assembly to the door. |
1.2. | Lift up the valve assembly. |
Remove the valve assembly.
2.1. | Remove the door trim panel. Refer to Front Side Door Trim Panel Replacement . |
2.2. | Drill out the rivets in order to remove the valve. |
2.1. | Install with rivets the valve assembly to the door. |
2.2. | Install the door trim panel. Refer to Front Side Door Trim Panel Replacement . |