Air Conditioning O-Ring Seal Replacement
Removal Procedure
- Disassemble the A/C refrigerant components. Refer to the appropriate repair procedure
- Remove the O-ring seal from the A/C refrigerant component.
- Inspect the O-ring seal for signs of damage to help determine the root cause of the failure.
- Inspect the A/C refrigerant components for damage or burrs. Repair if necessary.
Note: Cap or tape the open A/C refrigerant components immediately to prevent system contamination.
- Cap or tape the A/C refrigerant components.
- Discard the O-ring seal.
Installation Procedure
- 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.
Note: 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.
Note: DO NOT reuse O-ring seals.
- Carefully slide the new O-ring seal onto the A/C refrigerant component.
- The O-ring seal must be fully seated.
- Assemble the A/C components.
Refer to the appropriate repair procedure.
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