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 outlet duct. Refer to Air Cleaner Outlet Duct Replacement.

  3. Object Number: 1861635  Size: SH
  4. Remove the suction hose bracket nut (1) and remove bracket.
  5. Remove the suction hose/pipe bolt from the A/C compressor.
  6. Disconnect the suction hose/pipe from the A/C compressor.

  7. Object Number: 1861636  Size: SH
  8. Remove the suction hose/pipe nut (1) from TXV tube.
  9. Disconnect the suction hose/pipe from the TXV tube (2).
  10. Remove the suction hose/pipe.
  11. Remove and discard the suction hose/pipe O-rings.

Installation Procedure


    Object Number: 1861636  Size: SH
  1. Install new O-rings to the suction hose/pipe. Refer to O-Ring Replacement.
  2. Connect the suction hose/pipe to the TXV tube.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the suction hose/pipe to TXV nut (1).
  5. Tighten
    Tighten the bolt to 9 N·m (80 lb in).


    Object Number: 1861635  Size: SH
  6. Connect the suction hose/pipe to the A/C compressor.
  7. Install the suction hose/pipe bolt to the A/C compressor.
  8. Tighten
    Tighten the bolt to 9 N·m (80 lb in).

  9. Install the suction hose/pipe bracket and secure with nut (1).
  10. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement.
  11. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
  12. Leak test the fittings of the component using J 39400-A .