GM Service Manual Online
For 1990-2009 cars only

Compressor Control Switches Install HT6/HD6

Tools Required

J 5403 Snap Ring Pliers


    Object Number: 258039  Size: SH

    Important: If you reinstall an existing control switch in the compressor, use a new O-ring and a new retainer ring. An O-ring and a retainer ring is included in a new switch kit.

  1. Lubricate the new O-ring using clean refrigerant oil.
  2. Install the new O-ring into the groove in the switch cavity.
  3. Lubricate the control switch housing using clean refrigerant oil.
  4. Install the switch (4) into the switch cavity until the switch bottoms in the cavity.
  5. Using the J 5403 , install the switch retaining ring. Ensure that the high point of the curved sides is adjacent to the switch housing. Ensure that the retaining ring is properly seated in the switch cavity retaining groove.
  6. Leak test according to bench test procedure.