64 52 521 Removing and installing/replacing air conditioning compressor
WARNING: This page is about a different variant/trim than selected.
Special tools required:
- 00 9 030
- 32 1 270
WARNING:
Avoid contact with refrigerant and refrigerant oil.
- Follow safety instructions for HANDLING R134A REFRIGERANT .
- Follow safety instructions for HANDLING REFRIGERANT OIL .
IMPORTANT:
Risk of damage!
Restart engine only when A/C system has been correctly filled.
Read and comply with notes on replacing compressor.
If A/C system is opened for more than 24 hours:
Replace DESICCANT INSERT for A/C system
Restart engine only when A/C system has been correctly filled.
Read and comply with notes on replacing compressor.
If A/C system is opened for more than 24 hours:
Replace DESICCANT INSERT for A/C system
Necessary preliminary tasks:
- DRAWING OFF, EVACUATING AND FILLING THE A/C SYSTEM are not included in the time value given for this work operation
- Remove ALTERNATOR DRIVE BELT .
IMPORTANT:
Seal openings or lines to 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.
Observe tightening torque 64 52 2AZ
Installation:
Replace sealing rings.
Use special tool 00 9 030 to mount sealing rings without damaging them.
Release bolts (3) and feed out compressor.
Observe tightening torque 64 52 1AZ
Installation note:
- If the A/C system has been opened for more than 24 hours, the DESICCANT INSERT must be replaced
- Evacuate and fill A/C SYSTEM