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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 14 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> O-Ring Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the new O-ring seals 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.
    4. 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. Lightly coat the new O-ring seals with mineral base 525 viscosity refrigerant oil.
    5. Fig 1: Identifying O-Ring Seals & A/C Refrigerant Component
    GM1252797Courtesy of GENERAL MOTORS CORP.
    IMPORTANT: DO NOT reuse O-ring seals.
  5. Carefully slide the new O-ring seals onto the A/C refrigerant component.
  6. The O-ring seals must be fully seated.
  7. Assemble the A/C components.

    Refer to the appropriate repair procedure.

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