Installation Procedure

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Inspect the new O-ring seal for any sign or cracks, cuts, or damage. Replace if necessary.
Remove the cap or tape from the A/C refrigerant components.
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.