General Information

Compressor

Replacing the compressor

Special tools:
999 5474 RADIATOR PROTECTION 999 5474 Radiator Protection

Preparations

Warning! Follow the safety precautions when working on the climate control system.

Note! Read the instructions about slow and large leaks.

Note! Always use new O-rings lubricated with air conditioning (A/C) compressor oil.

Note! Always plug pipes and connectors when working on the climate control system.




- Note the anti-theft radio code if the car is equipped with an anti-theft radio
- Switch off the ignition
- Disconnect the battery negative lead.




Drain the refrigerant from the system.

Remove:
- the air baffle according to
- the auxiliaries belt.
Protect the radiator using radiator protection 999 5474 RADIATOR PROTECTION 999 5474 Radiator Protection.

Removing compressor




Remove the bolts.
Disconnect the hoses.
Seal the openings carefully.




Disconnect the connector from the compressor.

Remove:
- the screws
- the compressor
- the support for the connector.

Note! If the compressor is replaced, the oil volume must be determined.

Install new O rings on the filler plug (lubricate using A/C compressor oil).
Tighten the filler plug. Tighten to 15 Nm.
Change the oil even if the compressor is not replaced.

Installing the compressor





Install:
- the support for the connector
- the compressor. Tighten the bolts. Tighten to 40 Nm.
Connect the connector.
Lubricate the new O-rings using A/C compressor oil.
Install the hoses. Tighten the screws. Tighten to 22 Nm.

Filling with refrigerant
- Vacuum pump according to
- Fill the system with refrigerant according to Filling with refrigerant Filling With Refrigerant
- Fill the system with fluorescent tracing agent according to Filling with fluorescent tracing agent and refrigerant Filling with Fluorescent Tracing Agent and Refrigerant
- Leak trace according to Leak tracing, electronic leak tracer Leak Tracing, Electronic Leak Tracer or Leak tracing, fluorescent tracing agent / UV lamp Leak Tracing Using Fluorescent Tracing Agent And A UV Lamp.

Finishing work

Install:
- the auxiliaries belt according to
- the air baffle.




Turn the ignition to position II.

Caution! Ensure that nobody is in the car when the battery negative lead is being connected.

Connect the battery negative terminal.
Check that the SRS warning light on the dashboard goes out.
Program the radio code.
Set the clock.
Check the function (ECC system).
Read off the diagnostic trouble codes (DTCs) (ECC system).