Refrigerant Pressure Sensor / Switch: Service and Repair

Removing And Installing Pressure Switch

Preliminary work

1. Remove wiper linkage.
2. Remove cowl panel cover.

Removing pressure switch







NOTE: The pressure switch is located in the radiator tank in the direction of travel under the cowl panel cover.

ATTENTION: Danger of injury from contact with the refrigerant

- Observe safety regulations when working with refrigerant.

1. Drain refrigerant.







2. Press release on electrical connector -a- and disconnect from pressure switch.







3. Place one open-ended wrench on the hexagon of the pressure switch and a second open-ended wrench on the hexagon of the refrigerant line.
4. Unscrew pressure switch from refrigerant line in direction of arrow and remove.

Installing pressure switch

1. Replace the O-ring on the pressure switch and wet it with refrigerant oil.







2. Screw pressure switch onto refrigerant line and tighten with an open-ended wrench. Counter with a second open-ended wrench. Tightening torque 3.5 ftlb.







3. Push electrical plug onto pressure switch until it clicks into place.

Subsequent work

1. Fill in refrigerant.
2. Install cowl panel cover.
3. Install wiper linkage.