11 23 010 Removing and installing or replacing vibration damper (M52TU / M54 / M56)
Note. For Special Tool identification, see SPECIAL TOOLS - Z3 .
Special Tools Required
- 11 8 119
- 11 8 200
- 11 8 210
Necessary Preliminary Tasks
- Unscrew and remove splash guard.
- Remove fan impeller with fan clutch and fan cowl. Refer to «11 52 020 REMOVING AND INSTALLING/REPLACING FAN CLUTCH (S52 / S54 / M52 / M52TU / M54 / M56)»(ref-202354-S21527927182005102700000) .
- Remove A/C compressor drive belt. Refer to «11 28 050 REPLACING A/C COMPRESSOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56)»(ref-202354-S37336269092005102700000) .
- Remove alternator drive belt. Refer to «11 28 010 REPLACING ALTERNATOR DRIVE BELT (M52 / S52 / M52TU / M54 / M56)»(ref-202354-S42410700192005102700000)
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 51
Version 1
Vibration damper and hub for vibration damper are two parts
Installation
Align locating bore in vibration damper to dowel pin.
Install and tighten down screws.
Tightening torque, refer to 11 22 3AZ in VIBRATION DAMPER .
Scheme 52
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 53
Version 2
Note. Special tool 11 8 200 must snap into place in openings (1).
Scheme 54
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 3 200 in openings on vibration damper and turn counterclockwise so that counter-supports snap into place on vibration damper.
Release central screw (1).
Scheme 55
Version 2
Feed out special tools 11 8 190 / 11 8 200.
Remove central screw and washer.
Carefully detach vibration damper (1) by hand.
Scheme 56
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 57
Version 2
Screw out spindle (1) on special tool 11 3 210 as far as possible.
Z3 only
Screw in spindle (1) on special tool 11 8 210 approx. 15 mm and screw out again only after installation between special tool 11 8 200 and cooler.
Scheme 58
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 59
Version 2
Installation
Check featherkey (1) for damage and correct installation position.
Scheme 60
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.
Fit vibration damper.
Scheme 61
Version 2
Installation
Replace central screw (1).
Install central screw and washer.
Scheme 62
Version 2
Installation
Screw special tool 11 8 190 to special tool 11 8 200.
Scheme 63
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.
Tighten down central screw (1).
Scheme 64
Tightening torque, refer to 11 23 2AZ in VIBRATION DAMPER .