Removal and Replacement

Replacing refrigerant pipe/hose or expansion valve

Special tools:
999 5385 KEY 999 5385 Key
999 5472 KEY 5/8" 999 5472 Key 5/8"

Before starting work on the refrigerant circuit

Warning! Follow the safety instructions for work on air conditioning systems Refrigerant, safety regulations Refrigerant, Safety Regulations.

Note! When replacing a receiver/drier always replace O-rings in pipes and quick-release connectors.

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

Note! Read the section covering oil in the system.

Replacing refrigerant pipe/hose; compressor - condenser

Removing refrigerant pipe/hose; compressor - condenser

- Read Before starting work on the refrigerant circuit.
- Drain the system of refrigerant, according to Refrigerant, overview Refrigerant, Overview and Emptying/vacuum pumping/filling with refrigerant Emptying/Vacuum Pumping/Filling With Refrigerant.
- Raise the car.
- Remove air baffle.
- Disconnect pipe/hose from condenser.
- Disconnect pipe/hose from compressor.

Installing refrigerant pipe/hose; compressor - condenser
In reverse order.
Tighten to 25±6 Nm.

Replacing refrigerant pipe/hose; condenser - member

Removing refrigerant pipe/hose; condenser - member

- Read Before starting work on the refrigerant circuit.
- Drain the system of refrigerant, according to Refrigerant, overview Refrigerant, Overview and Emptying/vacuum pumping/filling with refrigerant Emptying/Vacuum Pumping/Filling With Refrigerant.
- Disconnect pipe/hose from its connector on the member.
- Raise the car.
- Remove air baffle.
- Disconnect pipe/hose from condenser.

Installing refrigerant pipe/hose; condenser - member
In reverse order.
Tighten to 25±6 Nm.

Removing refrigerant pipe/hose; member - evaporator

- Drain the system of refrigerant, according to Refrigerant, overview Refrigerant, Overview and Emptying/vacuum pumping/filling with refrigerant Emptying/Vacuum Pumping/Filling With Refrigerant.
- Read Before starting work on the refrigerant circuit.
- Remove control module box fresh air intake hose and exhaust hose.

Diesel engines:
- Remove fuel filter with bracket.

- Remove expansion tank.

- Disconnect condenser pipe/hose from its connector on the member.
- Disconnect pipe from member.
- Disconnect pipe from evaporator with wrench 999 5385 KEY 999 5385 Key.

Replacing/cleaning expansion valve

Removing expansion valve

- Read Before starting work on the refrigerant circuit.
- Drain the system of refrigerant, according to Refrigerant, overview Refrigerant, Overview and Emptying/vacuum pumping/filling with refrigerant Emptying/Vacuum Pumping/Filling With Refrigerant.
- Mark the position of the pipes in relation to each other at the flanged joint.
- Disconnect at the flanged joint.
- Remove expansion valve.

Installing expansion valve
In reverse order.
Tighten to 30 Nm.

Installing refrigerant pipe/hose; member - evaporator

In reverse order.

Replacing refrigerant pipe; evaporator - receiver drier

Removing refrigerant pipe; evaporator - receiver drier

Diesel engines:
- Remove fuel filter with bracket.

- Remove expansion tank.

- Disconnect pipe from receiver drier with wrench 999 5472 KEY 5/8" 999 5472 Key 5/8".
- Disconnect pipe from evaporator with wrench 999 5385 KEY 999 5385 Key.
- Remove pressure switch (Pressostat) from pipe.

Installing refrigerant pipe; evaporator - receiver drier
In reverse order.

Replacing refrigerant pipe/hose; receiver drier - air conditioning (A/C) compressor

Replacing pipe/hose; receiver drier - compressor according to Replacing receiver / drier or suction pipe Removal and Replacement.