Clutch

Replacing the clutch disc or cover assembly

20steps
~120min
4/5difficulty
Done 0 of 20

CLUTCH DISC AND COVER ASSEMBLY

SPECIAL TOOLS

[1]. Universal centring tool (ref. 589 47 31 00) (Fig.1)

Disque et mécanisme
Fig. 1

REMOVAL

  • Remove the gearbox.
  • Lock the flywheel to prevent it from rotating.
  • Gradually loosen the cover bolts in successive stages, then remove the cover assembly and collect the clutch disc.
du mécanisme, repérer la position du mécanisme par rapport au volant moteur.If the cover assembly is reused, mark its position relative to the flywheel.

INSTALLATION

  • Visually check:
  • that the flywheel friction surface is free of impacts and scoring,
  • the flywheel wear,
  • the condition of the starter ring gear,
  • the condition of the clutch cover assembly.
  • If there is oil in the clutch housing, replace the crankshaft oil seal (after removing the flywheel).
  • Clean the input shaft with a hand wire brush to remove all traces of oxidation.
  • Observe the fitting direction (marked on the cover assembly, gearbox side).
  • Fit the cover assembly and centre the disc using the universal centring tool [1] (Fig.1).
  • Tighten the cover assembly to the specified torque, in successive stages.
un disque d'embrayage dont le moyeu porte des traces d'oxydation.Do not reuse a clutch disc whose hub shows signs of oxidation.
  • Refit the gearbox.

Embrayage
Clutch

  1. Clutch disc
  2. Clutch cover assembly
  3. Bolts:
  • M6 bolts:
  • 1st stage: 0.3 daN.m
  • 2nd stage: 0.9 daN.m
  • M8 bolts:
  • 1st stage: 0.4 daN.m
  • 2nd stage: 2.2 daN.m.
  1. Clutch release bearing/slave cylinder
  2. Bolt: 1.2 daN.m
  3. Bushing
  4. Bleed screw
  5. Pipe
  6. Master cylinder
  7. Reservoir
  8. Pedal bracket
  9. Clutch pedal
  10. Rubber pad
  11. Strut bearing
  12. Neutral-gear detent spring rod
  13. Spring
  14. Neutral-gear detent spring seat
  15. Pushrod pin
  16. Clutch pedal pin on pedal bracket
  17. Master cylinder pin on clutch pedal.

Test yourself

A quick Mercedes-Benz B-Class quiz: every answer comes with an explanation and a link to the manual page.