11-12
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COOLING SYSTEM
FLUSH VALVE DISASSEMBLY/ASSEMBLY
Remove the engine under cover (page 6-5).
THERMOSTAT INSPECTION
Remove the thermostat [1] (page 11-4).
Immerse the thermostat in water.
Heat the water and observe the operation of the
thermostat as the water temperature increases.
Measure the water temperature when the thermostat
starts opening.
Cylinder head side:
Cylinder block side:
Measure the lift height when the thermostat is fully
open.
TUBE (8 X 300 mm)
INSTALLATION:
Check the tube (8 X 300
mm) for deterioration and
cracks.
Replace if necessary.
TUBE CLIP (13 mm)
WATER MOUTH
NUT
WATER HOSE
JOINT A
WATER MOUTH
SEAT
(Apply grease to the part
where the water mouth
nut contacts with the
water mouth seat.)
TUBE CLAMP (D 10.5) (2)
FLUSH VALVE
COVER
BOLT (6 x 20 mm)
O-RING
FLUSH VALVE
COVER SIDE
INSTALLATION:
Note the installation
direction.
FLUSH VALVE
FLUSH VALVE
SPRING
TUBE (7 X 110 mm)
INSTALLATION:
Check the tube (7 X 110
mm) for deterioration and
cracks.
Replace if necessary.
FLUSH
VALVE
GASKET
INSPECTION:
Check the flush valve
gasket for deterioration and
cracks.
Replace if necessary.
START OPENING: 48 – 52 °C (118 – 126 °F)
FULLY OPEN: 60 °C (140 °F)
START OPENING: 58 – 62 °C (136 – 144 °F)
FULLY OPEN: 70 °C (158 °F)
LIFT HEIGHT: More than 3.0 mm (0.12 in)
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