Expansion Valve

Expansion Valve

Special tools, testers and auxiliary items required

• Robinair A/C Service Unit (ROB 134APF)

Hybrid vehicles have a high voltage system. Danger of electrical shock! It will also be necessary to work on the high voltage system when performing the following procedures. Switch off the high voltage system.

Removal

Danger due to refrigerant coming out under pressure.

Danger of frost bite to skin and other parts of the body.

• Extract the refrigerant and immediately open the refrigerant circuit after that.

• If the refrigerant was extracted more than 10 minutes in the past and the refrigerant circuit was not opened, extract the refrigerant again. Pressure in the refrigerant circuit is caused by evaporation.

• Extract the refrigerant using the (ROB 134APF).

• See notes, refer to => [ Refrigerant Circuit Components in Engine Compartment, Servicing ] Refrigerant Circuit Components in Engine Compartment, Servicing.

- Remove the plenum chamber cover.

- Remove the bolts - 1 - (10 ± 1 Nm) and the refrigerant pipes from the expansion valve.






- Remove the screws - 1 - and the expansion valve - 2 -.

- Note retaining plate - 3 -.






1. Screws (10 ± 1 Nm)

2. Expansion Valve

3. Retaining plate

4. O-ring 14.3 mm; 2.4 mm

5. O-ring 10.8 mm; 1.82 mm


Installation

Installation is carried out in the reverse order while noting the following:

- Replace O-rings - 4 - and - 5 - and coolant pipes.

The threaded connection tightening specification is (10 ± 1 Nm).