64 52 521 Replacing air conditioning compressor (N54)
Special tools required:
WARNING:
Danger of injury!
Refrigerant circuit is under high pressure!
Follow safety instructions for HANDLING REFRIGERANT
Follow safety instructions for HANDLING REFRIGERANT FLUID .
Avoid contact with refrigerant and refrigerant fluid.
Refrigerant circuit is under high pressure!
Follow safety instructions for HANDLING REFRIGERANT
Follow safety instructions for HANDLING REFRIGERANT FLUID .
Avoid contact with refrigerant and refrigerant fluid.
IMPORTANT:
Risk of damage!
Restart engine only when air conditioning system has been correctly filled.
Read and comply with NOTES ON COMPRESSOR REPLACEMENT .
Follow NOTES for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours:
REPLACE DESICCANT INSERT FOR HEATING AND AIR CONDITIONING SYSTEM
Restart engine only when air conditioning system has been correctly filled.
Read and comply with NOTES ON COMPRESSOR REPLACEMENT .
Follow NOTES for opening and replacing parts in refrigerant circuit.
If air conditioning system is opened for more than 24 hours:
REPLACE DESICCANT INSERT FOR HEATING AND AIR CONDITIONING SYSTEM
Necessary preliminary work
- DRAWING OFF, EVACUATING AND FILLING THE AIR CONDITIONING SYSTEM are not included in the time value given for this job item
- Remove REAR LEFT CHARGE AIR DUCT
- Remove AIR CONDITIONING COMPRESSOR DRIVE BELT
Release screw (1) and remove refrigerant line.
Installation note:
Replace sealing rings.
Use special tool 00 9 030 to mount sealing rings without damaging them.
Tightening torque: 64 52 1AZ .
Release screws (1) and remove holder (2).
Release screw (1) and remove refrigerant line.
Tightening torque: 64 52 1AZ .
Installation note:
Replace sealing rings.
Use special tool 00 9 030 to mount sealing rings without damaging them.
Disconnect plug connection (2).
Release screw (1).
Tightening torque: 64 52 3AZ .
Release screw (1).
Tightening torque: 64 52 3AZ .
IMPORTANT:
Seal openings or lines on compressor with special tool 32 1 270
to prevent escape of media and fouling.
NOTE:
Secure compressor (2) against falling off/down.
Release bolt (1) and lift out compressor (2).
Release bolt (1) and lift out compressor (2).
Tightening torque: 64 52 3AZ .
Installation note:
Fitting sleeves (1) must not be damaged.
Replace damaged fitting sleeves.
After installation