GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 1489434  Size: SH
  1. Disconnect the A/C refrigerant pressure sensor electrical connector.
  2. Remove the A/C refrigerant pressure sensor from the A/C compressor hose assembly.
  3. Remove and discard the O-ring seal from the A/C refrigerant sensor port.

Installation Procedure


    Object Number: 1489434  Size: SH
  1. Install a new O-ring seal onto the A/C refrigerant pressure sensor port.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the A/C refrigerant pressure sensor to the A/C compressor hose assembly.
  4. Tighten
    Tighten the sensor to 5 N·m (44 lb in).

  5. Connect the A/C refrigerant pressure sensor electrical connector.
  6. Leak test the fittings of the component using J 39400-A .