Compressor Control Switches Install (V5 - Conventional Mount)

WARNING: This page is about a different car, the 2003 Buick Regal and 2003 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Tools Required

J 5403 Snap Ring Pliers. See Special Tools and Equipment .

Inspect the switch cavity and the O-ring groove in the rear head for dirt or foreign material.
Clean the cavity and groove as necessary.
Coat the new O-ring using clean 525 viscosity refrigerant oil.
Install the O-ring into the groove in the switch cavity.
Lubricate the switch housing using clean 525 viscosity refrigerant oil.
Carefully insert the switch (3 or 4) into the switch cavity until the switch bottoms in the cavity.

Fig 1: Identifying Compressor Control Switches (V5 - Conventional Mount)
Courtesy of GENERAL MOTORS CORP.
Using the J 5403 , install the switch retaining ring with the high point of the curved sides adjacent to the switch housing.
Ensure that the retaining ring is seated in the retaining ring groove in the switch cavity.
Evacuate and recharge the system.
Perform a leak test. Refer to COMPRESSOR LEAK TESTING (V5 DIRECT MOUNT) or COMPRESSOR LEAK TESTING (V5 - CONVENTIONAL MOUNT) .