Tools Required

J 39400-A Halogen Leak Detector

1. Disconnect the A/C refrigerant line.

•	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. Disconnect the A/C line from the A/C component.
3. Cap or tape the A/C line and the A/C component to prevent system contamination.

Discard the O-ring seals.

1. Remove the cap or tape from the A/C line and the A/C component.
2. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the A/C refrigerant line and the A/C refrigerant component.
3. Lightly coat the new O-ring seal with mineral base 525 viscosity refrigerant oil.

Important: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the new O-ring seal to enter the refrigerant system.

4. Carefully slide the new O-ring seal onto the A/C refrigerant line.



5. Fully seat the O-ring seal



6. Connect the A/C line.

•	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.