11 23 031 Removing and installing / replacing vibration damper hub (N62 / N62TU)
WARNING: This page is about a different variant/trim than selected.
Special tools required:
- 11 3 454
- 11 3 460
- 11 9 451
- 11 9 452
- 11 9 453
Necessary preliminary tasks:
- Remove design cover
- Remove drive belt for alternator. See GENERATOR DRIVE BELT 4.4L (N62) .
- Remove drive belt for A/C compressor. See A/C COMPRESSOR DRIVE BELT 4.4L (N62) .
- Remove front engine underguard
- Remove vibration damper
Screw special tool 11 9 451 in conjunction with special tool 11 9 452 to vibration damper hub and to oil sump.
Release central bolt (1).
Remove special tools.
Remove hub for vibration damper .
Installation:
- Check vibration damper hub and radial seal, replace if necessary.
- Align groove in vibration damper hub to parallel key and install vibration damper hub.
- Replace central bolt (1).
- Tighten down central bolt (1) to joining torque.
- Tightening torque, see ENGINE - TIGHTENING TORQUES .
Installation:
Fit special tool 11 3 460 on special tool 11 9 451.
NOTE:
Special tool 11 3 460 is magnetic.
Installation:
- Select 0° position and secure special tool 11 9 453 with clamping screw on socket (special tool 11 3 454).
- Tighten the central screw with torsion angle.
Tightening torque, see ENGINE - TIGHTENING TORQUES .