Refrigerant Pipe Condenser to Expansion Valve

Refrigerant pipe condenser to expansion valve

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Preparatory work (the same for all methods)

Draining the air conditioning (A/C) system

Warning! Follow the safety instructions for work on air conditioning systems. See: Refrigerant Refrigerant.

Read the instructions for slow and fast leaks acc. to: AC-system, oil, refilling AC-System, Oil, Refilling.

Caution! Always use new O-rings lubricated with compressor oil.

Note! Plug the pipes and connections when working on the climate control system.

Drain the refrigerant from the air conditioning (A/C) system. See: Refrigerant, draining Refrigerant, Draining.

Method content

This method consists of:
- replacing
- replacing
- replacing.

Pipe/hose between evaporator and receiver, replacing

Removing components

Remove:
- the coolant reservoir (1) but leave the hoses in place. Place the reservoir on the valve cover
- the power steering fluid reservoir and hoses (2) from its mounting by pulling it upwards at an angle.

Remove:
- the ground strip (3) from the connection at the right-hand suspension turret
- the 2 switches (4) for the air conditioning (A/C) system pressure sensor from the air conditioning (A/C) pipes / hoses
- the front bumper cover. See: Cover bumper front Service and Repair.

Removing the pipe/hose between the evaporator and the receiver

Lift up the hose from the mounting below the right-hand suspension turret.

Remove:
- the screw securing the air conditioning (A/C) pipes to the evaporator. See the illustration
- the plastic clip holding the mounting block
- the mounting block from the pipes.

Remove:
- the right-hand headlamp. Headlamp Bulb
- the nut. Disconnect the pipe coupling (A) at the receiver.

Note! Plug the intake pipe for the receiver immediately after disconnection.

Installing the pipe/hose between the evaporator and the receiver

Note! For tightening torques, see Specifications. [1][2]Body and Frame.

Install:
- the pipe coupling at the receiver using the M8 nut
- the right-hand headlamp. Headlamp Bulb.
Position the pipe / hose next to the cowl panel in the engine compartment.

Install:
- the mounting block in the grooves on the pipe
- the plastic clip holding the mounting block
- the M8 screw securing the air conditioning (A/C) pipes to the evaporator.
Press in the hose into the mounting below the right-hand suspension turret.
Carry out finishing work. See: Finishing work (the same for all methods).

Pipe/hose between condenser and expansion valve, replacing

Removing components

Lift up the hose from the mounting below the right-hand suspension turret.
Remove the cap nut for the expansion valve. See the illustration.

Unscrew the cover from the service valve.

Remove:
- the service valve using an extended 24 mm sleeve
- the screw (2) at the condenser connection.

Installing the pipe / hose between the condenser and the expansion valve

Note! For tightening torques, see Specifications. [1][2]Body and Frame.

Install the cap nut for the expansion valve.

Install:
- the M8 screw on the condenser connection
- the service valve. Tighten. See: Tightening torque [1][2]Body and Frame
- the service valve cover.
Press in the hose into the mounting below the right-hand suspension turret.
Carry out finishing work. See: Finishing work (the same for all methods).

Pipe between expansion valve and evaporator, replacing

Removing the pipe between the expansion valve and the evaporator

Remove the cap nut for the expansion valve. See the illustration.

Installing the pipe between the expansion valve and the evaporator

Note! For tightening torques, see Specifications. [1][2]Body and Frame.

Install:
- the mounting block in the grooves on the pipe
- the plastic clip holding the mounting block
- the M8 screw securing the air conditioning (A/C) pipes to the evaporator
- the cap nut for the expansion valve.
Press in the hose into the mounting below the right-hand suspension turret.
Carry out finishing work. See: Checking the function and leak tracing.

Finishing work (the same for all methods)

Installing components

Install:
- the coolant reservoir
- the power steering fluid reservoir
- the ground strip on the connection at the right-hand suspension turret
- the 2 switches for the air conditioning (A/C) system pressure sensor on the air conditioning (A/C) pipes / hoses
- the front bumper cover. See: Cover bumper front Service and Repair.

Checking the function and leak tracing
Vacuum pump the air conditioning (A/C) system. See: Vacuum pumping Vacuum Pumping.
Fill the air conditioning (A/C) system with refrigerant. See: Refrigerant, filling Refrigerant, Filling.
Leak trace the air conditioning (A/C) system. See: Leak detection, tracer agent Leak Detection, Tracer Agent or: Leak tracing, electronic leak tracer Leak Tracing, Electronic Leak Tracer Leak tracing, electronic leak tracer Leak Tracing, Electronic Leak Tracer.