Flywheel: Service and Repair

WM 136019 Removing and installing double-mass flywheel








Preliminary work

Preliminary work for double-mass flywheel

1. Remove manual transmission.
2. Remove clutch.

Removing double-mass flywheel - 3.6l

Removing double-mass flywheel - 3.6l

Component overview





Overview of double-mass flywheel, 3.6l

1-Double-mass flywheel, 3.6l
2-Fastening screw for double-mass flywheel, (8 M10 screws)
3-Clutch plate
4-Clutch pressure plate
5-Fastening screw for clutch pressure plate, (6 M8 screws)

Information
The toothed segment 9538/1 must be bored to [diameter] 15 mm to guarantee a perfect fit and to avoid damaging the thread in the crankcase.

1. To counter, fit toothed segment 9538/1 to the crankcase using an M12 x 50 hexagon-head bolt (fine thread).





Toothed segment 9538/1

2. Loosen and unscrew fastening screws on flywheel. Carefully take off flywheel (watch the thread!). Undo fastening screw for toothed segment.





Flywheel, 3.6l

Information
Check the friction surface of the flywheel. The flywheel must be replaced if it is damaged or discolored.

3. Inspect the friction surface of the flywheel visually.

Installing double-mass flywheel

Installing double-mass flywheel

Information
Before re-installation, clean the friction surface of the flywheel with a clean lint-free cloth that has been soaked in solvent naphtha or acetone.

1. Position double-mass flywheel on the crankshaft's dowel pin and press on to the crankshaft flange. Insert all fastening screws (8).
2. Align toothed segment 9538/1 and tighten fastening screw again.
3. Screw in and tighten fastening screws in diagonally opposite sequence. - Initial tightening: 19 ftlb.; Final tightening - torque angle: 120°
4. Remove toothed segment.

Subsequent work

Subsequent work for double-mass flywheel

1. Install clutch.
2. Install manual transmission.