Nissan Cube. Instruction — part 152
CO-20
< REMOVAL AND INSTALLATION >
WATER PUMP
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.
THERMOSTAT
CO-21
< REMOVAL AND INSTALLATION >
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THERMOSTAT
Exploded View
INFOID:0000000009950410
Removal and Installation
INFOID:0000000009950411
REMOVAL
1.
Drain engine coolant from radiator. Refer to
.
CAUTION:
Perform this step when engine is cold.
2.
Remove air duct (inlet) and resonator assembly. Refer to
.
3.
Add paint mark, then disconnect radiator hose (lower) from water inlet. Refer to
4.
Remove water inlet and thermostat.
• Engine coolant leakage from cylinder block, so have a receptacle ready below.
5.
Remove thermostat housing with the following procedure:
a.
Remove A/C compressor with A/C piping connected, and temporarily fasten it on vehicle with a rope.
Refer to
.
b.
Remove water pump. Refer to
.
c.
Remove alternator. Refer to
.
INSTALLATION
Note the following, and install in the reverse order of removal.
Thermostat
1.
Gasket
2.
Thermostat housing
3.
Clamp
4.
Water hose
5.
Rubber ring
6.
Thermostat
7.
Water inlet
8.
Clamp
9.
Radiator hose (lower)
A.
CVT models
B.
To CVT fluid cooler
C.
To radiator
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
JPBIA2884GB
CO-22
< REMOVAL AND INSTALLATION >
THERMOSTAT
• Install thermostat with making rubber ring (1) groove fit to thermo-
stat flange (A) with the whole circumference.
• Install thermostat (1) with jiggle valve (A) facing upwards.
Inspection
INFOID:0000000009950412
INSPECTION AFTER REMOVAL
Thermostat
• Place a thread (A) so that it is caught in the valves of thermostat
(1). Immerse fully in a container (B) 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.
PBIC3315J
2
: Thermostat housing
PBIC3548J
.
PBIC3314J
WATER OUTLET
CO-23
< REMOVAL AND INSTALLATION >
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WATER OUTLET
Exploded View
INFOID:0000000009950413
Removal and Installation
INFOID:0000000009950414
REMOVAL
1.
Drain engine coolant from radiator. Refer to
.
CAUTION:
• Perform this step when engine is cold.
• Never spill engine coolant on drive belt.
2.
Remove air duct (inlet) and resonator assembly and each air ducts. Refer to
3.
Disconnect radiator hose (upper). Refer to
.
1.
Engine coolant temperature sensor
2.
Washer
3.
Water hose
4.
Clamp
5.
Water hose
6.
Gasket
7.
Water control valve
8.
Rubber ring
9.
Clamp
10. Radiator hose (upper)
11.
Water hose
12.
Clamp
13. Clamp
14.
Heater hose
15.
Water outlet
16. Heater hose
A.
To heater
B.
To electric throttle control actuator
C.
To radiator
D.
CVT models
E.
To CVT fluid cooler
: Engine front
: Always replace after every disassembly.
: N·m (kg-m, ft-lb)
JPBIA2885GB
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