Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Refrigerant Pressure Sensor / Switch: Service and Repair

REFRIGERANT PRESSURE SWITCH REMOVAL/INSTALLATION

1. Discharge the refrigerant from the system.
2. Disconnect the negative battery cable.
3. Remove the radiator grille and splash shield.

CAUTION: If moisture or foreign material enters the refrigeration cycle, cooling ability will be lowered and abnormal noise will occur. Always, immediately plug all open fittings after removing any refrigeration cycle parts to keep moisture or foreign material out of the cycle.




4. Remove in the order as indicated below.
1. Connector
2. Refrigerant pressure switch

5. Install in the reverse order of removal.
6. Recharge with refrigerant.
7. Perform the refrigerant system performance test.


Refrigerant Pressure Switch Installation Note
- Apply compressor oil to the O-ring and connect the joint.