GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 3.5L engine or to Air Cleaner Assembly Replacement for the 3.9L engine or to Air Cleaner Assembly Replacement for the 5.3L 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. Object Number: 1545552  Size: SH
  5. Disconnect the evaporator tube from the condenser.
  6. Remove and discard the O-ring seals. Refer to O-Ring Replacement .
  7. Remove the refrigerant filter from the evaporator tube.

Installation Procedure

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

  2. Object Number: 1545552  Size: SH
  3. Install a new refrigerant filter to the evaporator tube.
  4. Connect the evaporator tube to the condenser.
  5. Install the A/C line coupling to the evaporator tube and condenser tube. Refer to Air Conditioning Line/Tube Connector Removal/Replacement .
  6. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement for the 3.5L engine or to Air Cleaner Assembly Replacement for the 3.9L engine or to Air Cleaner Assembly Replacement for the 5.3L engine.
  7. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  8. Leak test the fittings of the component using J 39400-A .