Cooling System - Honda CX650C 1983 Shop Manual

SERVICE INFORMATION 9--- 4
THERMOSTAT 9-4
1
TROUBLESHOOTING
9-1 RADIAP6RIC00blNG FAN 9 - 6
I
SYSTEM TESTING 9-2
WATER
PUMP MECHANICAL
l
COOLANT REPLACEMENT 9-3
SEAL REPLACEMENT
9-4 4
GENERAL
@
To service the water pump seal,
it
rs
necessary to remove the engine and the reat engine cover. All other cooling system
services can be made with the englrxe rn the frame.
Do not remove the radiator cap when the engine i s hot. The coolant 1s under pressure and severe scalding cocild result
The engine must be cool before servicing the cool~ng system.
Avoid spilling coolant on parnted surfaces. After servrclng the system, check for leaks with a radiator tester.
*
Refer to section 8 for water pump service.
SPEC1 FICATIONS
~~ ~
. .
~
----
~ ~ ~ - - p ~ -
. . p - - . - - . . . . . .
a (0.75-1.05 kg/cm2, 10.8-15.2 psi)
~
p - p p p - - . - . . . - - - - - - -
55%
Distilled water
-i-
45% ethylene glycoi: - 3 2 ' ~ (-26OF)
50% Distilled water
+
50% ethylene glycol:
-37'6
( - 3 5 ' ~ )
water
+
55% ethylene glycol: -44.5'6 (-48' F)
- - ~
'l
.7
liters
( l .8 US q t )
Reserve tank
0.38 liters (0.40 US q t )
" - . .
- -
.
-
- .
1-
~
---. . . .
- . p - - - - . . - - - - - - - - . - - - . - - - - -
Unpressurized: 1 0 7 . 7 ~ 6 (226')
1
Boiling point (with 50-50 mixture):
!
Cap on, pressurized: 1 2 5 . 6 ' ~ ( 2 5 8 ' ~ )
TOOLS
Special
Meciianrcal seal driver a-irachn?ent
07345-41 50400 or GN-AI-I-065-415 (USA only
)
Common
Driver
TROUBLESHOOTING
Engine Temperature Too H i g l ~
@
Faulty temperature gauge or gauge sensor.
Thermostat stuck closed.
Faulty radiator cap.
Insufficient coolant.
@
Passages blocked in radiator, hoses, or water
jacket.
*
Fan blades bent.
@
Faulty fan motor.
Engine Temperature Too Low
*
Faulty temperature gauge
or
gauge sensor.
Thermostat stuck open.
Coolant Leaks
Faulty pump oil seal.
*
Deteriora"td 0-rings.
*
Radiator hose damage.
@
Loose or over tigliitened hose clamps.
-
Dare of Issue: December, 1 9 1 3 2
o
HONDA MOTOR
Co.,
I--m.