11 28 020 Replacing tensioning device for alternator drive belt (N63)
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Special tools required:
- 11 0 390
See ENGINE - SPECIAL TOOLS (N54, N63) .
Necessary preliminary tasks:
- Remove alternator drive belt
If necessary, remove special tool 11 0 390.
Release screw (1).
Tightening torque 11 28 1AZ.11 28 V-RIBBED BELT WITH TENSION AND DEFLECTION ELEMENT
Remove belt tensioner with idler pulley (2).