Replacing Alternator Drive Belt

11 28 010 Replacing drive belt for alternator (N12)

Special tools required:





Necessary preliminary work:
^ Remove right wheel arch cover

Release screws (1).

Remove (2) belt pulley cover.








Bring belt tensioner into working position in direction of arrow using special tool 11 6 210.

Note:
For purposes of clarity, the schematic diagram shows and description refers to the removed engine.





Secure working position of belt tensioner by sliding locating pin (1) in direction of arrow.

In so doing, grasp the belt tensioner through the opening in the wheel arch.

Warning!
Danger of injury!
Remove special tool 11 6 210 again from belt tensioner.

Move friction wheel (2) into service position.





In order to release the power transmission between crankshaft and coolant pump, it is necessary to move the friction gear (2) into the service position.

Pull handle (1) in direction of arrow until friction gear (2) is separated from belt pulley.





To secure friction gear in service position, suspend tensioning strap (1) on housing (2).

Remove drive belt from alternator.





Assemble engine.

Installation note:
Check that drive belt for is in correct installation position - risk of damage.