Ducati Diavel
Free Service and Repair manuals

Ducati Diavel Service Manual: Changing the coolant

Warning

This operation must only be carried out when the engine is cold. Attempting to change the coolant with the engine hot could lead to burns from hot coolant or scalding steam.


Place a container under the engine and place the motorcycle on its side stand.

Remove the expansion reservoir filler cap (1).

Changing the coolant


Loosen clip (2), disconnect the hose (3) and drain the coolant inside a container.

Changing the coolant


Loosen the cap (4) of the fluid exhaust hole placed on the pump cover.

Allow the coolant to drain off completely.

Screw plug (4) with a seal again in the fluid drain hole, and recover the new seal (5).

Tighten the plug (4) to a torque of 20 nm (min. 18 Nm - max. 22 Nm) (sect. 3 - 3, Engine torque settings).

Changing the coolant


Refill the circuit by pouring new coolant into the circuit via the remote filler cap (6).

Changing the coolant


Connect the pipe (3) by tightening the clamp (2) to a torque of 1 nm +/-10% (sect. 3 - 3, Frame torque settings).

Changing the coolant


Allow several minutes for the coolant to fill all the internal passages.

Start up the engine and allow the coolant to reach 110 C; run the engine for about 10 minutes.

Stop the engine and allow it to cool down so that all the air is expelled from the cooling circuit.

Warning

Keep your hands, clothing and tools well clear of the radiator fan at all times; this fan starts automatically without warning and could cause serious injury or damage.

Important

Check the cooling circuit for possible leaks.

Top up the coolant through the expansion reservoir filler to bring the level up to the max. Mark.

Tighten the cap (1) of the expansion reservoir.

Changing the coolant


Changing the coolant


Checking the coolant level
To the specified intervals in the "scheduled maintenance chart" (sect. 4 - 2) Check the coolant level contained in the expansion reservoir, on the right side of the vehicle. The coolant level mu ...

Changing the brake fluid
Warning Brake fluid is corrosive and will damage paintwork. Avoid contact with eyes and skin. In the case of accidental contact, wash the affected area thoroughly with plenty of running water. Ch ...

Other materials:

Residual range indication when the service is due
After resetting the first oil service warning (triggered at 1000 km), upon every key-on the system displays the indication of which type of service should be performed next (oil service or desmo service) and the residual range. A (green) warning (1, fig. 32) Is activated for 2 seconds on ever ...

Reassembling the frame and the lateral footrests
Apply the recommended grease to the thread of the pins (9) and of the nuts (8). Place the frame (1) and the brackets (2) and (3) on the engine block. Start the pins (9) by holding the nuts (8) and insert without tightening the screws (6) into the adjusters (4). Position and fix the rear s ...

Dashboard diagnosis
This function identifies any abnormal vehicle behaviours. The dashboard activates any abnormal vehicle behaviours in real time (errors). At key-on (at the end of the check) one or more "errors" are displayed in red (only if they are active). When an "error" is triggered, the indication (r ...

2026 | www.dudiavel.com |