GM Service Manual Online
For 1990-2009 cars only

Special Tools

J 39400-A Halogen Leak Detector

Removal Procedure


    Object Number: 924798  Size: SH
  1. Disconnect the low pressure switch electrical connector (2).
  2. Remove the low pressure switch (1) from the accumulator.
  3. Remove the O-ring seal.

Installation Procedure


    Object Number: 924798  Size: SH
  1. Install the new O-ring seal to the switch. Refer to O-Ring Replacement.
  2. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the A/C low pressure switch (1) to the accumulator and tighten to 4 N·m (35 lb in).
  4. Connect the low pressure switch electrical connector  (2).
  5. Leak test the fittings of the component using the J 39400-A .