Installation Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the new O-ring seal for any sign or cracks, cuts or damage. Replace if necessary.
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.

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

IMPORTANT: DO NOT reuse O-ring seals.

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

Fig 1: Identifying Proper Seating Of A/C Refrigerant O-Ring

Courtesy of GENERAL MOTORS CORP.

The O-ring seal must be fully seated.

Fig 2: Disassembling/Reassembling A/C Line Fittings

Courtesy of GENERAL MOTORS CORP.

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.