S10/T10 Blazer 2WD V6-4.3L VIN X (2003)
Cabin Ventilation Duct: Service and Repair
Pressure Relief Valve Replacement (Utility)
Removal Procedure
1. Remove the body side stationary window (2-Door only).
2. Remove the molding from the quarter panel rear window (4-Door only).
3. Remove the pressure relief ventilation valve using a flat-bladed tool in order to release the retainers.
Installation Procedure
1. Install the pressure relief ventilation valve assembly pressing into place until firmly seated.