64 52 524 Replacing A/C system compressor (N62)
Necessary preliminary tasks:
- Remove front assembly underside protection, refer to 51 47 490 REMOVING AND INSTALLING / REPLACING FRONT UNDERBODY PROTECTION .
- Remove A/C compressor drive belt
- Release stabilizer on front axle, refer to 37 11 010 REMOVING AND INSTALLING/REPLACING FRONT ACTIVE STABILIZER .
- Drain off air conditioner, refer to 64 50 009 DRAWING OFF, EVACUATING AND FILLING A/C SYSTEM (R 134A) .
Release screws (1).
Remove front panel center section (2) in direction of arrow and place to one side.
Release screws (1) and feed out refrigerant lines (2).
Tightening torque, refer to 64 53 6AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - 645CI .
Release screw (1) and disconnect coolant line connection.
Installation:
Replace all sealing rings.
Tightening torque, refer to 64 53 6AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - 645CI .
Release bolt (1) and remove bracket for oil lines (2).
Tightening torque, refer to 32 41 17AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - 645CI .
Disconnect plug connection (2).
Release screw and nut (3).
Release bolts (4) and feed out compressor (1) downwards with refrigerant lines.
Tightening torque, refer to 64 52 3AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - 645CI .
Adapter sleeves (1) must not be damaged.
Replace damaged adapter sleeves.
Replacement:
Release screws (1) and remove refrigerant lines.
Installation:
Replace all sealing rings.
Tightening torque, refer to 64 52 1AZ in HEATING AND AIR CONDITIONING - TIGHTENING TORQUES - 645CI .