BMW C1 (2001) [172/458] Checking cooling system for leaks

BMW C1 (2001) [172/458] Checking cooling system for leaks
17.16
if necessary, squeeze/move moulded return
hose (4) to push trapped air upward in front of
the thermostat (arrow)
Secure moulded return hose (4) in bracket (3)
Install cap on refill reservoir
Filling expansion tank with coolant
–Open the seat
Remove the backrest
a
....................................................See Group 52
Top up with coolant to the MAX mark (arrow)
Install the cap on the expansion tank
Checking coolant level
Warm up the engine to operating temperature
Check the coolant level in the refill reservoir and
top up if necessary
Check the coolant level in the expansion tank
and top up if necessary
Fluids and lubricants
Coolant
in circuit ....................................1.25 l (2.2 Imp pint)
in expansion tank ......................0.2 l (0.35 Imp pint)
Composition
Use only nitride-free extended-duty antifreeze with
corrosion inhibitor
Mixture ratio
Antifreeze.........................................................50%
Water ...............................................................50%
17 00 501
Checking cooling system for
leaks
Remove front fairing panel
a
....................................................See Group 46
Remove the filler cap from the refill reservoir
Remove fasteners at refill reservoir
Attach pump,
BMW No. 17 0 500,
with
adapter,
BMW No. 17 5 520,
and spring
clamp,
BMW No. 17 5 525,
to refill bag
Pressure-test the system; the pressure must re-
main unchanged for at least 5 minutes
Setting:
Test pressure .................................. 1 bar (14.5 psi)
When installing:
Installation is the reverse of the removal proce-
dure
C1170181
3
4
C1170121
17 0 500
C1170190
17 5 520
17 5 525

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