11 28 050 Replacing A/C compressor drive belt with belt tensioner (N63)
WARNING: This page is about a different variant/trim than selected.
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, see 11 28 V-RIBBED BELT WITH TENSION AND DEFLECTION ELEMENT
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.