A/C Suction Hose/Line

Replacing Receiver/Drier or Suction Pipe

Special tools:
999 5472
999 5473

Warning! Follow the safety instructions for work on air conditioning systems. Refer to: "Heating and Air Conditioning : Technical Safety Information" Technician Safety Information

- When replacing a receiver / drier always replace O-rings in pipes and quick-release connectors
- When replacing a suction pipe follow these instructions but only replace the suction pipe.

Preparations

- Disconnect the battery negative lead
- Drain the refrigerant from the system

Removal

Removing the fresh air hoses (N4) from the control module box:

- Lift the data link connector (DLC) from the control module box
- Remove the fresh air hoses from the control module box
- Remove the connection nozzle for the inlet hose at the fan shroud (2 clips).







- Disconnect the pipe couplings at the compressor
- Release the quick-release connectors on the receiver/drier (N8)
- Note! Use quick-release connector puller 999 5472.
- Remove the cover from the right-hand headlamp
- Remove the screw from the bracket for the receiver / drier
- Remove the air baffle (2 screws).

Removing the receiver / drier and bracket:






- Lift the receiver/drier upwards where the bracket is hooked at the side member.

Removing the receiver / drier from the bracket:

- When replacing the receiver / drier, the new unit must be filled with 90 cm3 of new oil. Refer to: "Heating and air Conditioning : Refrigerant Oil : Service and Repair" Service and Repair
- Transfer the suction pipe to the new receiver/drier. Tighten to 30 Nm.
- Note! Note the position of the suction pipe relative to the receiver / drier.
- Transfer the bracket
- Note! Model year 1992-1993: Use adjustment tool 999 5473 to establish the correct position.

Installation

Install:

- Receiver/drier
- Note! Always use new O-rings lubricated with compressor oil for the quick-release connectors.
- Compressor pipe connection.

Model year 1992-1993: Tighten the suction pipe. Tighten to 60 Nm.

Model year 1994-: Tighten the suction pipe. Tighten to 25±6 Nm

- Note! Use new O-rings here as well.
- Fill the system with refrigerant. Check for leaks.

Install:

- The air baffle

The fresh air intake hoses for the control module

- The fresh air intake hoses for the control module box and the nozzle
- The data link connector (DLC) on the control module box
- The fresh air hose and nozzle
- The battery negative lead.