11 23 010 Removing and installing or replacing vibration damper (M52TU / M54 / M56)
Special tools required
- 11 8 190
- 11 8 200
- 11 8 210
Necessary preliminary tasks
- Unscrew and remove splash guard
- Remove fan impeller with fan clutch and fan cowl
- E83/E85/E60: Remove fan cowl with electric fan
- Remove A/C compressor drive belt, refer to «11 28 050 REPLACING A/C COMPRESSOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56)»(ref-202774-S03817354912005102900000)
- Remove alternator drive belt, refer to «11 28 010 REPLACING ALTERNATOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56)»(ref-202774-S19613919882005102900000)
| IMPORTANT | Risk of damage. |
Protect cooler against damage.
Version 1
Vibration damper and hub for vibration damper are two parts: Unscrew vibration damper bolts and take off vibration damper.
Scheme 987
Version 1
Vibration damper and hub for vibration damper are two parts
Installation
Align locating bore in vibration damper to dowel pin.
Scheme 988
Install and tighten down screws.
Tightening torque 11 23 3AZ. Refer to ENGINE - TIGHTENING TORQUES .
Version 2
Vibration damper and hub for vibration damper are one part
Screw special tool 11 8 190 to special tool 11 8 200.
Scheme 989
Version 2
Note. Special tool 11 8 200 must snap into place in openings (1).
Scheme 990
Version 2
When releasing and tightening down central bolt, grip special tool 11 8 190 with assistance of a second person.
Version 2
Insert special tool 11 8 200 in openings on vibration damper and turn counterclockwise so that counter-supports snap into place on vibration damper.
Scheme 991
Release central screw (1).
Version 2
Feed out special tools 11 8 190/ 11 8 200.
Scheme 992
Remove central screw and washer.
Carefully detach vibration damper (1) by hand.
Version 2
Note. If vibration damper cannot be detached by hand
Insert special tool 11 8 200 in openings on vibration damper and turn clockwise so that counter-supports snap into place on vibration damper.
Scheme 993
Version 2
Screw out spindle (1) on special tool 11 8 210 as far as possible.
Scheme 994
Version 2
| IMPORTANT | Risk of damage. |
Protect cooler against damage.
Carefully install special tool 11 8 210.
Screw special tool 11 8 210 to special tool 11 8 200.
Detach vibration damper by turning spindle (1) on special tool 11 8 210.
Scheme 995
Version 2
Installation
Check featherkey (1) for damage and correct installation position.
Scheme 996
Replace radial seal in lower timing case cover. Refer to 11 14 141 REPLACING RADIAL SEAL IN LOWER TIMING CASE COVER .
Version 2
Installation
Align groove (1) in vibration damper to featherkey.
Scheme 997
Fit vibration damper.
Version 2
Installation
Replace central screw (1).
Scheme 998
Install central screw and washer.
Version 2
Installation
Screw special tool 11 8 190 to special tool 11 8 200.
Scheme 999
Version 2
Insert special tool 11 8 200 in openings on vibration damper and turn clockwise so that counter-supports snap into place on vibration damper.
Scheme 1000
Tighten down central screw (1).
Tightening torque, 11 23 2AZ. Refer to ENGINE - TIGHTENING TORQUES .