Tools Required

J 39400-A Halogen Leak Detector

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 5.3L engine or to Air Cleaner Assembly Replacement for the 3.8L engine.
3. Remove the A/C line coupling from the evaporator tube to condenser tube. Refer to Air Conditioning Line/Tube Connector Removal/Replacement .



4. Disconnect the evaporator tube from the condenser.
5. Remove and discard the O-ring seals. Refer to O-Ring Replacement .
6. Remove the refrigerant filter from the evaporator tube.

1. Replace the O-ring seals on the evaporator tube. Refer to O-Ring Replacement .



2. Install a new refrigerant filter to the evaporator tube.
3. Connect the evaporator tube to the condenser.
4. Install the A/C line coupling to the evaporator tube and condenser tube. Refer to Air Conditioning Line/Tube Connector Removal/Replacement .
5. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 5.3L engine or to Air Cleaner Assembly Replacement for the 3.8L engine.
6. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
7. Leak test the fittings of the component using J 39400-A .