Vauxhall Workshop Service and Repair Manuals > Astra J > HVAC | Heating, Ventilation, and Air Conditioning | Repair Instructions

Air Conditioning O-Ring Seal Replacement

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.

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.