Replacement Refrigerant Pipe/Hose or Expansion Valve

Special tools: 999 5385, 999 5472

TTTM1 Before starting work on refrigerant circuits


WARNING! FOLLOW THE SAFETY PRECAUTIONS FOR WORK ON NC SYSTEMS ACCORDING TO AC. SAFETY INSTRUCTIONS WHEN HANDLING REFRIGERANT Technician Safety Information

NOTE! At 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 system.


NOTE! Read the section on oil in the system according to BG. Service and Repair


Replacing refrigerant pipe/hose; compressor - condenser







TTTM2 Removing refrigerant pipe/hose; compressor - condenser
- First read TTTM1.
- Drain system of refrigerant according to BD. (See above)
- Raise car.
- Remove air baffle.
- Detach pipe/hose from condenser.
- Detach pipe/hose from compressor.

TTTM3 Installation of refrigerant pipe/hose; compressor condenser
In reverse order.
Tightening torque 25 ±6 Nm (19 ±4 ft.lb).


Replacing refrigerant pipe/hose; condenser - member






TTTM4 Removing refrigerant pipe/hose; condenser - member
- First read TTTM1.
- Drain system of refrigerant according to BD. (See at top)
- Detach pipe/hose from connection on member.
- Raise car.
- Remove air baffle.
- Detach pipe/hose from condenser.

TTTM5 Installation of refrigerant pipe/hose; condenser - member
In reverse order.
Tightening torque 25 ±Nm (19 ±4 ft.lb).


Removing refrigerant pipe/hose; member - evaporator







TTTM6
- First read TTTM1.
- Drain system of refrigerant according to BD.
- Remove fresh air intake and outlet hose to control module box.


TTTM7






Diesel engines:
- Remove fuel filter with bracket.


TTTM8






- Remove expansion tank.


TTTM9






- Detach pipe/hose to condenser from connection on member.
- Detach pipe from member.
- Detach pipe from evaporator with wrench 999 5385.


Replacing/cleaning expansion valve







TTTM10 Removing expansion valve
- First read TTTM1.
- Drain system of refrigerant according to BD.
- Mark pipe positions in relation to each other at flanged joint.
- Separate at flanged joint.
- Remove expansion valve.


TTTM11 Installing expansion valve
In reverse order.
Tightening torque 30 Nm (22 ft.lb).

Installation of refrigerant pipe/hose; member - evaporator

TTTM12
In reverse order.


Replacement of refrigerant pipe; evaporator - receiver drier






TTTM13 Removing refrigerant pipe; evaporator - receiver drier
- First read TTTM1.
- Drain system of refrigerant according to BD
- Remove fresh air intake and outlet hose to control module box.


TTTM14






Diesel engines:
- Remove fuel filter with bracket.


TTTM15





- Remove expansion tank.


TTTM16






- Detach pipe from receiver drier with wrench 9995472.
- Detach pipe from evaporator with wrench 999 5385.
- Remove pressure switch (Pressostat) from pipe.

TTTM17 Installing refrigerant pipe; evaporator - receiver drier
In reverse order.


Replacing refrigerant pipe/hose; receiver drier - compressor

TTTM18
Replacing pipe/hose; receiver drier - compressor according to TTTN. Replacing Receiver/Drier or suction line Replacing Receiver/Drier or Suction Line