Procedures

Special tools: 999 5474, 999 5472

TTTN1 Before starting work on the Receiver/Drier or suction line


WARNING! FOLLOW THE SAFETY PRECAUTIONS FOR WORK ON A/C SYSTEMS .SAFETY INSTRUCTIONS WHEN HANDLING REFRIGERANT Technician Safety Information

NOTE! Read the sections covering slow and quick leaks first, according to BG1. Service and Repair


NOTE! When replacing the Receiver/Drier always install new O rings in pipes and quick-release connectors. Always plug pipes and couplings when working on the climate control system.


Removing Receiver/Drier or suction line







TTTN2 Preparations
- First read TTTN1.
- Disconnect battery negative lead.
- Drain system of refrigerant according to BD. and BF1.
- Remove fresh air intake to control module box.


TTTN3





- Detach engine cooling fan (FC) relay and engine cooling fan (FC) motor cable from fan shroud.
- Detach fan shroud.
- Remove relay shelf and spacer washers.
- Disconnect the engine cooling fan (FC) connector.
- Disconnect the engine cooling fan (FC) motor connector.



TTTN4






- For turbocharged engines:
- disconnect hose from charge air cooler (CAC) and bend out of the way
- remove cover over throttle pulley.
- remove fan shroud
- cover radiator with protective panel 999 5474.


TTTN5







- Remove suction intake hose and intermediate section between fan shroud nozzle and filter.


TTTN6 Removing Receiver/Drier or suction line







- Detach quick-release connector to evaporator at the Receiver/Drier using a quick-release connector pulling tool 999 5472.
- Screw out screw to receiver/drier bracket.


TTTN7







- Raise car.
- Remove air baffle between spoiler and frame member.
- Detach pipe coupling to compressor (suction line).
- Remove Receiver/Drier, suction line and bracket, by lifting it when it is hooked in the side member.
- Remove Receiver/Drier and suction line from bracket.

When replacing suction line:
- remove suction line from Receiver/Drier.


NOTE! Note the position of the suction line relative to the receiver/drier.


Installing Receiver/Drier or suction line

TTTN8 If replacing Receiver/Drier:
- First read TTTN1.
- Fill the new receiver/drier with new oil. BG Service and Repair
- Transfer suction line from the old to the new receiver/drier. Tightening torque: 30 Nm (22 ft.lb).


NOTE! Note the position of the suction line relative to the Receiver/Drier.


TTTN9 When replacing suction line:
- First read TTTN1
- Fill new suction line with fresh oil. See also BG.

- Install suction line on Receiver/Drier. Tightening torque: 30 Nm (22 ft.lb).


NOTE! Install suction line in same position as noted when it was removed.


TTTN10 Installing Receiver/Drier or suction line, common operations
- Install Receiver/Drier and suction line in bracket.
- Install Receiver/Drier and suction line with bracket in side member.
- Install the quick coupling to the evaporator at Receiver/Drier.


NOTE! Use new O-rings lubricated with compressor oil


- Install pipe coupling to compressor. Tightening torque: 25 ±6 Nm (19 ±4 ft.lb).


- Remove protective panel 999 5474
- Install air baffle.
- Install fan shroud.
- Install relays and cable in fan shroud
- For turbocharged engines:
- disconnect hose from charge air cooler (CAC) and bend out of the way
- remove cover over throttle pulley.
- Install control module box fresh air intake.
- Install suction intake hose and intermediate section between fan shroud nozzle and filter.
- Reconnect battery negative lead.
- Fill system with refrigerant according to BD. and BF. Service and Repair