Water Pump - Honda CRF450R 2009 Service Manual

Route the wires and
hoses proper1y
(page 1-23).
INSTALLATION
Installation is in the reverse order of removal
Tighten the radiator hose band and connecting hose
band screws as shown.
Fill the radiator with the recommended coolant mixture
to the filler neck and bleed the air (page 7-9).
After installation , check the radiator and radiator hoses
for leaks.
WATER PUMP
MECHANICAL SEAL INSPECTION
Check the bleed hole of the water pump for signs of
coolant leakage.
If waler leaks through the bleed hole , replace the
mechanical seal (page 7-14).
If oil leaks through the bleed hole, replace the oil seal
(page
7-14).
Make sure that there is no continuous coolant leakage
from the bleed hole while operating the engine .
NOTE
A small amount of coolant weeping from the bleed hole
is normal.
REMOVAL
Drain the coolant (page 7-9)
Remove the drain bolt, sealing washer.
loosen the hose band screw and disconnect the lower
radiator hose.
Remove the bolts and water pump cover.
COOLING SYSTEM
I
RADIATOR HOSe ·
~
~
- ----
-
:}
,
- ----
-
•
0 - 1.0 mm (0 - 0.04 10)
'09 - '12: CONNECTING HOSE:
1.5 - 3.5 mm (0.06 - 0.14 in )
-1;<
--
-
, ,
,
,
,
•
:
-
-
-
~0.6 - 1 .2mm
~
. (0.02 - 0.05 ;n) ,.
•
l
J
7-13