Ducati Diavel Service Manual: Removal of the water pump

Note

For clarity, the figures show the engine removed from the frame.

Loosen and remove the water pump cover (12) fixing screws (13) to the generator cover (16).

Remove the water pump cover (12).

Clean the pump housing of any scale. Check the bearings wear by turning the impeller shaft (10); in case of excessive clearance, it is necessary to replace them by operating as follows.

Remove the circlip (3) on the impeller shaft.

Slide off the rotor (10) with the sealing ring (9) from the outside.

Recover the ceramic washer - seal unit (8) placed on the internal side.

Undo and remove the screws (1) with the washer (2).

Working from the generator cover (16) internal side, use a suitable punch to press on the inner race of end bearing (5) until it can be extracted from the cover.

Use the same technique to remove the other bearing (6).

Remove the inner spacer (7).

Check the condition of the components of the mechanical seal: there should be no signs of deformation, cracking, or excessive wear. In the case of damage, both components must be renewed.