Refrigerant Pressure Sensor / Switch: Service and Repair

Pressure sensor receiver drier, replacing

Note! 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 the coolant and removing the splash guard





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. See Oil Air Conditioning (A/C) System, Filling

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.

Removing the skidplate
Remove the 6 screws.
Lift and slide the protective plate forward.

Note! There is a guide sleeve on the upper mounting for the plate. This must be lifted slightly so that the panel can be slid forward.

Removal

Removing the pressure sensor





Remove:
- the connector
- the pressure sensor.

Installation

Installing the pressure sensor

Install:
- the pressure sensor.
- the connector.

Finishing

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 skid plate

Note! For tightening torques, see: [1][2]Body and Frame

Move the protective plate up in the bumper cover.
Press forward until the mounting brackets enter the subframe.
Install and tighten the 6 x M10 screws crosswise.