Checking Axial and Radial Clearance

Checking axial and radial clearance

Measuring the radial clearance

Note! Some variation may occur in the images, however, the essential information in the illustrations is always correct.

- Remove the transmission. See: Transmission, removing Transmission, Removing

Note! The twin mass flywheel (TMS) must be installed on the crankshaft when measuring.

- Load one of the screws for the connection with a torque of 6 Nm clockwise. The secondary mass of the flywheel will now turn in the same direction as the applied torque.
- Mark up both primary and secondary masses on the flywheel by drawing a line.
- Then load the same screw with a torque of 6 Nm counter clockwise. The secondary side of the flywheel will now turn in the same direction as the applied torque.
- Mark the primary side of the flywheel in line with the marking on the secondary side.
- Measure the distance between both lines on the primary side.
If the distance between the lines is less than 35 mm, the twin mass flywheel is OK.






Continue - Measuring the axial clearance

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Measuring the axial clearance
- Remove the flywheel. See: Flywheel, replacing Service and Repair
- Position the flywheel on a flat surface. Position a gauge in-between pin B and C, as illustrated.
- Press, with a force of 100 N (10 kg), on pin A.
- Read the clearance from the gauge.
- Turn the flywheel a 1/3 of a turn and repeat the measurement by pressing pin B.
- Turn the flywheel a further 1/3 of a turn and repeat the measurement by pressing pin C.
If the greatest measured clearance on any of the pins is less than 2 mm, the flywheel is OK.
- Install the flywheel. See: Flywheel, replacing Service and Repair
- Install the transmission. See: Transmission, installing Transmission, Installation






Continue - DONE

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