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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1291 (Interior Trim And Paneling) >> Repair Instructions >> Pressure Relief Valve Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the rear window lower garnish molding. Refer to Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/A48) , Rear Window Lower Garnish Molding Replacement (Ext Cab/Crew Cab w/o A48)  or Rear Window Lower Garnish Molding Replacement (Regular Cab) 
  2. Remove the body lock pillar trim. Refer to Body Lock Pillar Trim Replacement (Crew Cab) , Body Lock Pillar Trim Replacement (Extended Cab)  or Body Lock Pillar Trim Replacement (Regular Cab) 
  3. Pull back carpeting on the rear wall of the cab exposing the pressure relief valve.
    4. Fig 1: Identifying Pressure Relief Valve
    GM369712Courtesy of GENERAL MOTORS CORP.
  4. Press on the retaining tab on the top downward to release the valve from the cab back panel.
  5. Remove the pressure relief valve from the vehicle.
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