Replacing Receiver/Drier or Suction Line

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 ACCORDING TO AC. 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. (See B above)
- 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. Service and Repair BG
- 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. (See above)