Removing And Installing Coolant Hoses; Replacing Coolant Hose (Radiator/Water Pump); Replacing Coolant Hose (Filler Bowl/Expansion Tank); Replacing Coolant - BMW F 650 GS Repair Manual

Checking cooling system
17 00 010
for leaks
– Remove left cover.
....................................................See Group 46
a
– Open the filler cap on the radiator.
17 5 520
•
Connect pump, BMW No. 17 0 500, with adapt-
er and neck, BMW No. 17 5 520, to filler neck.
•
Pressure-test the system; the pressure must re-
main unchanged for at least 5 minutes.
Setting:
Test pressure ............................. 1.5 bar (21.34 psi)
•
Installation is the reverse of the removal proce-
dure.
17.10
17 0 500
E170080
Removing and installing coolant
hoses
•
Place motorcycle on its centre stand.
– Remove left cover.
– Drain coolant.
....................................................See Group 00
a
•
Remove the right-hand coolant hose.
•
Remove the left-hand coolant hose between ra-
diator and frame.
Replacing coolant hose
17 12 036
(radiator/water pump)
•
Use pliers, BMW No. 17 5 500, to open the
clamp securing the coolant hose to the water
pump.
•
Disconnect the coolant hose from the radiator.
Replacing coolant hose
17 12 068
(filler bowl/expansion tank)
•
Disconnect the expansion tank from the radiator
and pull it to one side.
•
Disconnect the coolant hose from the radiator
and the expansion tank.
X
Tightening torque:
Coolant hoses to radiator/engine/frame ......... 2 Nm

Replacing coolant

17 00 035
See Group 00

Removing and installing fan

17 40 000
– Remove right cover.
•
Unclip the MoDiTeC plug from its holder.
•
Disconnect plug for fan.
•
Disengage the clips at top and bottom and re-
move the fan.
•
Installation is the reverse of the removal proce-
dure: pay particular attention to the following.
•
Slide the rubber grommet of the fan onto the pin
of the expansion tank and then engage the tabs
of the fan on the radiator.