Operation CHARM: Car repair manuals for everyone.

Refrigerant Pressure Sensor / Switch: Service and Repair






Pressure sensor receiver drier, replacing

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Preparatory work

Draining coolant and removing components





Warning! Follow the safety instructions for work on air conditioning systems. See: Refrigerant, safety regulations Technician Safety Information.

Note! First read the instructions covering slow and fast leaks.

Note! Always plug the pipes and connections when working on the climate control system.

Drain the refrigerant from the system. See Refrigerant, draining Refrigerant, Draining.
Raise the vehicle.
Remove the air baffle beneath the radiator assembly, 2 x screws (1), the 2 x catches (2).

Removal

Removing the pressure sensor





Remove:
- the connector
- the pressure sensor.

Installation

Installing the pressure sensor

Install:
- the pressure sensor.
- the connector.

Finishing

Note! For tightening torques, see applicable specifications.

Filling with coolant and leak tracing
Vacuum pump the air conditioning (A/C) system. See: Vacuum pumping Vacuum Pumping.
Fill the system. See: Refrigerant, filling Refrigerant, Filling.
Leak trace the system. See: Leak tracing, fluorescent tracing agent / UV lamp Leak Tracing, Fluorescent Tracing Agent / UV Lamp or: Leak tracing, electronic leak tracer Leak Tracing, Electronic Leak Tracer.

Installing the air baffle
Install the 2 x M6 screws for the air baffle. Tighten.