Installing Flywheel
- Leaks
- Risk of damage to the flywheel and adjacent components
→ Be very careful during removal and installation.
→ See Technical Information releases about the flywheel.
- Danger of chemical burns
→ Wear personal protective gear.
→ Ensure that there is good ventilation.
→ Avoid contact with caustic fluid.
→ If you do come into contact, wash off immediately with plenty of warm water and contact a doctor if necessary.
- Remove protective wax on new parts using acetone or cleaning solvent.
- Screw in two > 9321/2 - centering pins-1-
(fine thread) on the crankshaft flange.
Recommendation: Screw in one centering pin next to the dowel pin!
Centering pins on crankshaft flange
Information
Before re-installing the flywheel, clean the friction surface of the flywheel using a clean, lint-free cloth soaked in acetone or solvent naphtha).
- Fit flywheel -1-
over the centering pins -2-
at the dowel pin on the crankshaft and push it onto the crankshaft flange.
Fit new M10 x 29 (multiple-tooth) fastening screws and tighten uniformly and in diagonally opposite sequence.
Flywheel on crankshaft flange with centering pins 9321/2
Information
- The flywheel screws are micro-self-locking and must be replaced.
- Tighten screws uniformly and in diagonally opposite sequence to the prescribed tightening torque.
Tool recommendation: > VAS 6942 - Torque/- torque angle - key, 20-400 Nm (15-296 ftlb ).
> Initial tightening 60 Nm (44 ftlb.)
> Final tightening torque angle 90°
Setting special tool VAS 6942
1 Initial tightening (threshold torque) 2 Torque angle Information
- After removing, installing or replacing the flywheel, perform the "Reset sensor wheel (flywheel) adaptation" function using the PIWIS Tester.
- To actively teach the adaptation, perform an adaptation drive together with another person.