Removing and Installing/Replacing Drive Belt (Elastobelt) for A/C Compressor

11 28 050 Replacing A/C compressor drive belt with belt tensioner (S63)





Important!
Risk of damage!
Release screws (1) on vibration damper only if removal position is adjusted.
If contaminated with hydraulic fluid:
Replace drive belt.
Crank engine at central bolt in direction of engine rotation.

Installation:
If the drive belt is to be reused, mark direction of travel and reinstall drive belt in same direction of rotation.

Necessary preliminary tasks:
^ Remove alternator drive belt








Note:
Observe direction of engine rotation.

Crank engine at central bolt until marking (see arrow) is reached on vibration damper.

Release screws (1).

Tightening torque 11 28 2AZ.





Important!
Belt pulley is pretensioned.
Belt pulley tension is relieved abruptly during the cranking process!

Note:
Observe direction of engine rotation.

Crank engine at central bolt until marking (see arrow) is reached on vibration damper.

Remove elasto-belt.

Assemble engine.