Remove/Install A/C Compressor

Air conditioning system
- discharge (recycling)
Lower engine compartment encapsulation
- remove.
Poly V-belt
- release tension and remove
3 pole clutch (A9x1)
- pull off
Bolt (14)
- screw out
- tighten to 23 ± 2.3 Nm.
Bolt (7)
- screw out
- tighten to 23 ± 2.3 Nm.
- and remove compressor downward
Connections With Cover Plate (a) Part no. 601 131 0021
- seal
- Before installing new compressor slowly release refrigerant at service valve (arrow).
Oil level in compressor
- correct.
- New compressors are filled with 120 cm3 refrigeration oil (see Specifications for Service Products of approved oils). Capacity Specifications
0-rings (18)
- replace if compressor is not replaced.

In reverse sequence install, while paying attention to the following points:
- If the compressor is being replaced due to internal damage (e.g., locking up or valve plate damage), then the pipe on the compressor and the expansion valve must also be replaced. In addition, operation and rotational direction of the auxiliary fan (clockwise) are also to be checked with the 16/20 bar and 100 °C switch.
Receiver dehydrator
- replace
Air conditioning
- turn on and let engine idle for about 4 minutes.
Air conditioning system, operation and freedom from leaks
- check while ensuring that the temperature of the air emerging from the center vents does not drop below + 5 °C. Where necessary, replace evaporator temperature sensor.