Renewal Of The Cooling Fan - Ducati Diavel Workshop Manual

Cooling system: water radiators
Visually inspect the oil cooler. If it shows signs of damage or leaks, the radiator must be renewed.
Check also that the air flow through the radiator core is not obstructed by leaves, insects, mud, etc.
Important
Excessive cooling temperatures can be caused by a partial obstruction of the radiator core.
Carefully check the condition of the radiator core.

Renewal of the cooling fan

Loosen the electro-fan retaining screws (15) and (17) and remove the electro-fan (18) from the radiator.
Carry out the same procedure for the other radiator's electro-fan.
On refitting, position the coolant radiator fan (18) as shown on the fan support (16), so that the three fan holes match
the three threaded inserts (I) of the support (16).
Position the grille (G) as shown on the coolant radiator fan (18), threading the fan cable out of the opening in the grille.
Assemble grille (G), fan (18) and fan support (16).
Tighten the screws (19) to a torque of 1 Nm ± 10% (Sect. 3 - 3, Frame torque settings).