Procedures

Replacing refrigerant pipe; evaporator - receiver drier

Removing







- Drain the system of refrigerant.
- Remove control module box fresh air intake hose and exhaust hose.







- Diesel engines:
- Remove fuel filter with bracket.







- Remove expansion tank.







- Disconnect pipe from receiver drier with wrench 999 5472.
- Disconnect pipe from evaporator with wrench 999 5385.
- Remove pressure switch (Pressostat) from pipe.

Installing
- In reverse order.


Replacing Receiver/Drier or Suction Pipe

Special Tools: 999 5474, 999 5472

Before starting work on the receiver/drier or suction pipe

WARNING: Follow the safety instructions for work on air conditioning (A/C) systems.

NOTE:
- First read the instructions covering slow and fast leaks.
- When replacing a receiver/drier always replace O-rings in pipes and quick-release connectors.
- Always plug pipes and connectors when working on the climate control system.

Removing receiver/drier or suction pipe

Preparations







- First read section Before starting work on the receiver/drier or suction pipe
- Disconnect the battery negative lead
- Drain the refrigerant from the system.
- Remove the fresh air intake for the control module box.

Removing







- Disconnect the quick-release connector for the evaporator by the receiver/drier using a quick-release connector tool 999 5472
- Unscrew the receiver/drier bracket screw.
- Raise the car







- Remove the air baffle between the spoiler and the frame member
- Disconnect the pipe coupling for the compressor (the suction pipe)
- Remove the receiver/drier, suction pipe and bracket by lifting it where it is hooked into the side member
- Remove the receiver/drier and suction pipe from the bracket

When replacing suction pipe:
- remove the suction pipe from the receiver/dryer.

NOTE: Note the position of the suction pipe relative to the receiver/drier.

Installing

When replacing receiver/drier:
- first read section Before starting work on the receiver/drier or suction pipe
- fill the new receiver/drier with new oil.
- transfer the suction pipe from the old receiver/drier to the new one. Tighten to: 30 Nm.

NOTE: Note the position of the suction pipe relative to the receiver/drier.

When replacing suction pipe:
- first read section Before starting work on the receiver/drier or suction pipe
- fill the new suction pipe with new oil.
- install the suction pipe onto the receiver/dryer. Tighten to: 30 Nm.

NOTE: Install the suction pipe in the same position noted when it was removed.

Installing the receiver/drier or suction pipe, common operations
- Install the receiver/drier and suction pipe on the bracket
- Install the receiver/drier and suction pipe with the bracket on the side member
- Install the quick-release connector for the evaporator at the receiver/drier
- Install compressor pipe coupling. Tighten to: 25 ±6 Nm
- Fill the system with refrigerant. Check for leaks
- Install the air baffle
- Install fresh air hose on the control module box
- Install the battery negative lead.