GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Venture 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 O-Ring Replacement

Removal Procedure

    Object Number: 297225 Size: SH
  1. Disassemble the A/C refrigerant components. Refer to the appropriate repair procedure
    2. • For compression style fittings use a back up wrench on the fitting (2) and loosen the fitting nut (1).
    • For banjo style fittings remove the bolt retaining the banjo type fitting.
  2. Remove the O-ring seal from the A/C refrigerant component.
  3. Inspect the O-ring seal for signs of damage.
  4. Inspect the A/C refrigerant components for damage or burrs. Repair if necessary.
  5. Discard the O-ring seal.

Installation Procedure
  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.

    3. 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.

    4. Important: DO NOT reuse O-ring seals.

  4. Carefully slide the new O-ring seal onto the A/C refrigerant component.

    5. Object Number: 662315 Size: SH
  5. The O-ring seal must be fully seated.

    6. Object Number: 297225 Size: SH
  6. Assemble the A/C components.

    7. 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.