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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 741 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> O-Ring Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2003 Pontiac Montana, 2003 Oldsmobile Silhouette, and 2003 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the new O-ring seal for any sign or cracks, cuts, or damage. Replace if necessary.
  2. 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.

  3. Lightly coat the new O-ring seal with mineral base 525 viscosity refrigerant oil.

    Important:  DO NOT reuse O-ring seals.

  4. Carefully slide the new O-ring seal onto the A/C refrigerant component.
  5. The O-ring seal must be fully seated.
    Fig 1: Identifying Correct Alignment Of O-Ring Seal
    G01482405Courtesy of GENERAL MOTORS CORP.
  6. 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.
    Fig 2: Tightening Fitting Nut On Compression Style Fitting
    G01482406Courtesy of GENERAL MOTORS CORP.
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