85-10-68 Reassembly
Always use new screws (E4A-73-000-801) for a reinstallation of the
Two-Mass-Flywheel.
After the Flywheel is attached at the crankshaft hub check the position of the friction
ring. The ring must be positioned that no tapped hole is covered by the ring. The ring
must not be screwed down by one of the screws.
Install the new two-mass-flywheel. Pay attention to the aligning pin.
1. Re-attach the hub [3] to the pins and tighten up the 8 screws [2] (DIN 912 M8x12-12.9) with
25 Nm.
2. Re-attach the flywheel locking tool.
3. Use new 8 bolts and screw them in finger-tight in a crosswise sequence.
4. Tighten up all 8 screws in a crosswise sequence with the first step 45 Nm and the
second step with 90°.
5. Remove the flywheel locking tool.
6. Install the crankshaft sensors - refer to Chapter 76-00-32.
7. Connect the crankshaft sensor plugs.
8. Attach the ground strips of the crankshaft sensor plugs.
9. Install the gearbox - refer to Chapter 85-10-12.
10. Install the starter – refer to Chapter 80-00-12.
11. Perform an engine ground run according to Chapter 71-00-03.
12. After the ground run check gearbox oil system for leakage.
85-10-69 Special Tools
See “List of Special Tools” at the end of the document.
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