Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

Refrigerant Pressure Sensor / Switch: Service and Repair



82.20.38 Sensor - Refrigerant Pressure

Before disconnecting the battery, ensure all text and cautions in the battery disconnection section are observed.

Remove
1. Disconnect battery earth lead.
2. Recover refrigerant from A/C system.





3. Release multiplug from refrigerant pressure sensor.

WARNING: Under no circumstances should refrigerant hoses be disconnected without first discharging the system.

4. Remove refrigerant pressure sensor from air conditioning (A/C) pipe mounting. Use two spanners to avoid straining A/C pipe mounting.

CAUTION: Immediately cap all A/C pipes to prevent ingress of dirt and moisture into the system.

5. Discard 'O' ring.

Refit
1. Clean refrigerant pressure switch and surrounding area.
2. Fit new 'O' ring to sensor and tighten to 10 Nm (7 lbf.ft).
3. Fit multiplug to sensor.
4. Recharge air conditioning system.
5. Connect battery earth lead.