64 52 520 Removing and Installing / Replacing Complete A/C Compressor

64 52 520 Removing And Installing/Replacing Air Conditioning Compressor (N14, N16, N18)

Special tools required:







WARNING:
Avoid contact with refrigerant and refrigerant fluid.
Follow safety informations for handling R 134a refrigerant.
Follow safety informations for handling refrigerant fluid.







IMPORTANT:
Risk of damage.
Restart engine only when A/C system has been correctly filled.
Read and comply with notes on compressor replacement.
If air conditioning system is opened for more than 24 hours:
Replace desiccant insert for A/C system







Necessary preliminary tasks:
- Drawing off, evacuating and filling the air conditioning are not included in the time value given for this job item
- Remove alternator drive belt







IMPORTANT: Seal openings or lines on compressor with special tool 32 1 270 to prevent escape of media and dirt contamination.







IMPORTANT:
Secure compressor against falling out.
Disconnect plug connection (1).
Release nuts (2) and disconnect refrigerant lines.
Tightening torque 64 52 2AZ.

Installation note:
Replace sealing rings.
Use special tool 00 9 030 to install sealing rings without damaging them.

Release bolts (3) and feed out compressor.
Tightening torque 64 52 1AZ.







Installation note:
- If the air conditioning has been opened for more than 24 hours, the desiccant insert must be replaced
- Evacuate and fill air conditioning system