GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 573960  Size: SH
  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Remove the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement in Engine Controls - 4.3L.
  3. Disconnect the A/C High Pressure Switch connector (2).
  4. Remove the A/C High Pressure Switch connector retaining ring.
  5. Remove the A/C High Pressure Switch from the A/C Compressor.

Installation Procedure


    Object Number: 573960  Size: SH
  1. Install the A/C High Pressure Switch to the A/C Compressor.
  2. Install the A/C High Pressure Switch connector retaining ring.
  3. Connect the A/C High Pressure Switch connector (2).
  4. Install the air cleaner outlet duct. Refer to Air Cleaner Outlet Duct Replacement in Engine Controls - 4.3L.
  5. Evacuate and recharge the A/C refrigerant system. Refer to Refrigerant Recovery and Recharging .