Tools Required

1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .



2. Disconnect the electrical connector from the switch.



3. Use the J 4245 in order to remove the switch retainer ring.



4. Pull the terminal housing in order to remove the switch from the compressor.



5. Use the J 9553-01 in order to remove the O-ring from the switch cavity.

Tools Required

J 4245 Snap Ring Pliers #21 Internal

1. If reinstalling the switch to the compressor, use a new O-ring.

•	It is preferable to use a new retainer ring.

•	A new switch kit contains both the O-ring and the retainer ring.




2. Ensure that the switch cavity and the O-ring groove are free of dirt or foreign material. Clean as necessary.



3. Install the O-ring into the groove in the switch cavity. Coat the new O-ring with 525 viscosity refrigerant oil prior to installation.



4. Insert the switch into the switch cavity.

•	Coat the switch housing with 525 viscosity refrigerant oil prior to installation.

•	Ensure that the switch touches the bottom of the cavity.




5. Use the J 4245 in order to install the retainer ring.

•	Ensure that the highest point of the curved sides are adjacent to the switch housing.

•	Ensure that the retainer ring is properly seated in the switch cavity retainer ring groove.




6. Connect the electrical connector to the switch.
7. Evacuate the system. Refer to Evacuation .
8. Charge the system. Refer to A/C Charging Using ACR4 .