Replacing A/C Compressor Drive Belt

11 28 050 - Replacing A/C compressor drive belt (S65)





Important!
Mixed installation of the assemblies is not permitted.
Mixed installation will result in failure of the steering assistance.
Mark the direction of rotation of the drive belt if it is to be reused.
Replace the drive belt if it is fouled with coolant or engine oil.
Different idler pulleys for c.c.w.- and c.w.-rotating power steering pumps.
Tightening torque: 11 28 1-2AZ Service and Repair.





Necessary preliminary tasks:
- Remove fan cowl with electric fan.





Important!
Belt routing of clockwise-rotating power steering pump (see arrow).

Press down tensioning device (1) on damper in direction of arrow and hold.

Take off ribbed V-belt.

Installation Note:
Observe direction of rotation if reusing the drive belt.
Ensure drive belt is in correct installation position.





Important!
Belt routing of counterclockwise-rotating power steering pump (see arrow).
Double-sided ribbed V-belt.

Press down tensioning device (1) on damper in direction of arrow and hold.

Take off ribbed V-belt.

Installation Note:
Observe direction of rotation if reusing the drive belt.
Ensure drive belt is in correct installation position.





Assemble engine.