Air Conditioning O-Ring Seal Replacement

Air Conditioning O-Ring Seal Replacement

Removal Procedure

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

2. Remove the O-ring seal from the A/C refrigerant component.

3. Inspect the O-ring seal for signs of damage to help determine the root cause of the failure.

4. Inspect the A/C components for damage or burrs. Repair if necessary.

Note:
Cap or tape the open A/C refrigerant components immediately to prevent system contamination.

5. Cap or tape the A/C refrigerant components.

6. 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. 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.

Note:
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 seal with mineral base 525 viscosity refrigerant oil.

Note:
DO NOT reuse O-ring seals.

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





6. The O-ring (1) seal must be fully seated.

7. Assemble the A/C components.