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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1709 (HVAC Systems - Troubleshooting) >> Repair Instructions >> Sealing Washer Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Good And Bad Sealing Washer Positions
    GM818438Courtesy of GENERAL MOTORS CORP.
  1. Remove the seal washer from the A/C refrigerant component.
  2. IMPORTANT: Cap or tape the open A/C refrigerant components immediately to prevent system contamination.
  3. Inspect the seal washer for signs of damage to help determine the root cause of the failure.
  4. Inspect the A/C refrigerant components for damage or burrs. Repair if necessary.
  5. IMPORTANT: DO NOT reuse sealing washer.
  6. Discard the sealing washer.