Low Pressure Sensor / Switch: Service and Repair

AIR CONDITIONING (A/C) LOW PRESSURE SWITCH REPLACEMENT

REMOVAL PROCEDURE
1. Disconnect the electrical connector from the A/C low pressure switch.




2. Remove the A/C low pressure switch (1) from the accumulator (3).

INSTALLATION PROCEDURE
1. Lightly coat the new O-ring seal with mineral base 525 viscosity refrigerant oil.
2. Install the new O-ring seal to the switch.




3. Install the A/C low pressure switch (1) to the accumulator (3).

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten
Tighten the switch to 6 N.m (53 lb in).

4. Connect the electrical connector to the A/C low pressure switch.
5. Leak test the fittings of the component using the J 39400-A.