Drive Belt Tensioner: Service and Repair

Replacing Alternator Drive Belt Tensioner (COOPER S)
Special tools required:
^ 11 8 410
^ 11 8 470

Remove alternator drive belt.

Remove vibration damper.

Release drive belt tension with special tool 11 8 410 and remove locking pin 11 8 470





Remove retaining bolts (1) and (2).

Remove tensioner (3).
Belt tensioner to crankcase
M6 9Nm
Belt tensioner to crankcase
M10 45 Nm
Belt tensioner to compressor
M10 45 Nm