GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 907852  Size: SH
  1. Disconnect the A/C refrigerant pressure sensor electrical connector.
  2. Remove the A/C refrigerant pressure sensor from the front evaporator line.
  3. Remove and discard the O-ring seal from the A/C refrigerant sensor port.

Installation Procedure


    Object Number: 907852  Size: SH
  1. Install a new O-ring seal onto the A/C refrigerant pressure sensor port. Refer to O-Ring Replacement.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the A/C refrigerant pressure sensor to the front evaporator line and tighten to 5 N·m (44 lb in).
  4. Connect the A/C refrigerant pressure sensor electrical connector.
  5. Leak test the fittings of the component using J 39400-A .