Nissan Qashqai J11. Manual — part 162
CO-52
< REMOVAL AND INSTALLATION >
[MR20DD]
THERMOSTAT
INSTALLATION
Note the following, and install in the reverse order of removal.
Thermostat
• Install thermostat with making rubber ring
groove fit to thermo-
stat flange
with the whole circumference.
• Install thermostat
with jiggle valve
facing upwards.
Inspection
INFOID:0000000010665090
INSPECTION AFTER REMOVAL
Thermostat
• Place a thread
so that it is caught in the valves of thermostat
.
Immerse fully in a container
filled with water. Heat while stirring.
• The valve opening temperature is the temperature at which the
valve opens and falls from the thread.
• Continue heating. Check the full open valve lift amount.
• After checking the maximum valve lift amount, lower the water
temperature and check the valve closing temperature.
• If out of the standard, replace thermostat.
INSPECTION AFTER INSTALLATION
• Check for leakage of engine coolant using the radiator cap tester adapter (commercial service tool) and the
radiator cap tester (commercial service tool). Refer to
.
• Start and warm up the engine. Check visually that there is no leakage of engine coolant.
JPBIA5191ZZ
: Thermostat housing
PBIC3548J
.
PBIC3314J
WATER OUTLET
CO-53
< REMOVAL AND INSTALLATION >
[MR20DD]
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WATER OUTLET
Exploded View
INFOID:0000000010665091
Removal and Installation
INFOID:0000000010665092
REMOVAL
1.
Drain engine coolant from radiator. Refer to
CAUTION:
• Perform this step when engine is cold.
• Never spill engine coolant on drive belts.
2.
Remove air duct. Refer to
3.
Remove battery. Refer to
PG-155, "Removal and Installation"
.
4.
Remove battery tray. Refer to
5.
Disconnect radiator hose (upper) form water outlet.
6.
Disconnect harness connector from engine coolant temperature sensor.
Water control valve
Rubber ring
Water outlet
Engine coolant temperature sensor
Clamp
Water hose
Water hose
To radiator
To CVT oil warmer (CVT models)
To heater
To heater
: Engine front
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
JPBIA6912GB
CO-54
< REMOVAL AND INSTALLATION >
[MR20DD]
WATER OUTLET
7.
Remove heater hoses
and water hose
(CVT models).
8.
Remove water outlet.
INSTALLATION
Note the following, and install in the reverse order of removal.
Water Control Valve
• Install water control valve with making rubber ring
groove fit to
water control valve flange
with the whole circumference.
• Install water control valve
with the arrow
facing up and the
frame center part
facing upwards.
Inspection
INFOID:0000000010665093
INSPECTION AFTER REMOVAL
Water Control Valve
• Place a thread
so that it is caught in the valves of water control
valve
. Immerse fully in a container
filled with water. Heat
while stirring.
• The valve opening temperature is the temperature at which the
valve opens and falls from the thread.
• Continue heating. Check the continuous valve lifting toward maxi-
mum valve lift.
NOTE:
The maximum valve lift amount standard temperature for water
control valve is the reference value.
• After checking the maximum valve lift amount, lower the water
temperature and check the valve closing temperature.
: Water outlet
JPBIA6844ZZ
JPBIA5193ZZ
: Water outlet
JPBIA5194ZZ
PBIC3314J
WATER OUTLET
CO-55
< REMOVAL AND INSTALLATION >
[MR20DD]
C
D
E
F
G
H
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J
K
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M
A
CO
N
P
O
• If out of the standard, replace water control valve.
INSPECTION AFTER INSTALLATION
• Check for leakage of engine coolant using the radiator cap tester adapter (commercial service tool) and the
radiator cap tester (commercial service tool). Refer to
• Start and warm up the engine. Check visually that there is no leakage of engine coolant.
Standard:
Refer to
.
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