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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 909 (Heating, Ventilation & Air Conditioning) >> Repair Instructions >> O-Ring Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Inspecting O-Ring
    G01827840Courtesy of GENERAL MOTORS CORP.
  1. Inspect the new O-ring seal for any sign or cracks, cuts, or damage. Replace if necessary.
  2. Remove the cap or tape from the A/C refrigerant components.
  3. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the A/C refrigerant components.

    Important:  DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the new O-ring seal to enter the refrigerant system.

  4. Fig 2: O-Ring Components
    G01827841Courtesy of GENERAL MOTORS CORP.
  5. Lightly coat the new O-ring seal with mineral base 525 viscosity refrigerant oil.

    Important:  DO NOT reuse O-ring seals.

  6. Carefully slide the new O-ring seal onto the A/C refrigerant component.
  7. The O-ring seal must be fully seated.
  8. Assemble the A/C components.

    Refer to the appropriate repair procedure.

    • For compression style fittings use a back up wrench on the fitting (2) and tighten the fitting nut (1) to specification.
    • For banjo style fittings install the bolt retaining the banjo type fitting and tighten to specification.