11 23 010 Removing and installing/replacing vibration damper (N74)
Necessary preliminary tasks:
- Remove FAN COWL
- Remove alternator DRIVE BELT
- Remove A/C compressor DRIVE BELT
- Remove belt pulley for A/C system
Release screw (1).
Tightening torque: see 1AZ in 11 28 V-RIBBED BELT WITH TENSION AND DEFLECTION ELEMENT
Remove belt tensioner with idler pulley (2).
Installation:
Observe fixture on belt tensioner (1) (risk of damage!) .
Secure special tool 11 8 090 with three screws (1) to vibration damper.
Secure special tool 11 8 090 with belt tensioner bolt (2) to timing case cover.
Tightening torque: see 3AZ in 11 28 V-RIBBED BELT WITH TENSION AND DEFLECTION ELEMENT
Release central bolt on vibration damper.
Secure central bolt with special tool 00 9 140 or 11 3 460 .
Position special tool 11 3 460 on special tool 11 8 090 .
Adjust special tool 11 9 453 on special tool 11 9 454 using clamping screw to 0° on scale.
Tightening torque: see 1AZ in 11 23 VIBRATION DAMPER
Assemble engine.