Examination
Check the operation of the automatic belt tensioner.
Turn the V-belt tensioner counterclockwise using the hexagonal boss (1), then release the tensioner, which should slowly move to its original position.
Removal
Remove the accessory drive V-belt from the engine pulleys (see the relevant chapter).
Remove the bolts (1 and 2) and remove the automatic V-belt tensioner.
Mark the position and remove the vibration damper (3) from the automatic V-belt tensioner.
Warning! The vibration damper must only be stored in a vertical position, otherwise the working fluid may leak out.
Installation
Install the vibration damper onto the automatic V-belt tensioner and secure with the bolt, tightening it to a torque of 23 Nm.
Install the automatic V-belt tensioner onto the bracket and secure with bolts, tightening them to a torque of 42 Nm.
Install the V-belt (see the relevant chapter).
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