For 1990-2009 cars

### Removal Procedure

1. Disassemble the A/C refrigerant components. Refer to the appropriate repair procedure

• | 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.

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.
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.