Dual Mass Flywheel Rock
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Dual Mass Flywheel (DMF) Rock
When testing the DMF, you need to assess the wear on the bush/bearing. To do this, rock the mass facing upwards and measure the movement.
Note: Rock is not the same as end float. Many DMFs have this characteristic and it is not to be confused with bush/bearing wear.
The correct tolerances can be found on RepXpert.com, at FPS, or by calling LuK Technical on 08457 001100.
For accurate testing the DMF tool should be used as there is a DTI gauge included.