Nissan Versa Note. Instruction — part 168
THERMOSTAT
CO-21
< REMOVAL AND INSTALLATION >
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THERMOSTAT
Exploded View
INFOID:0000000009444804
Removal and Installation
INFOID:0000000009444805
WARNING:
Do not remove the radiator cap when the engine is hot. Serious burns could occur from high-pressure
engine coolant escaping from the radiator. Wrap a thick cloth around the radiator cap. Slowly turn it a
quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.
REMOVAL
1. Drain engine coolant from radiator. Refer to
CO-8, "Draining Engine Coolant"
CAUTION:
• Perform this step when engine is cold.
• Do not spill engine coolant on drive belt.
2. Remove air duct. Refer to
EM-26, "Removal and Installation"
.
3. Disconnect radiator hose (lower) from water inlet. Refer to
.
4. Remove water inlet, thermostat, and rubber ring.
NOTE:
Engine coolant will leak from cylinder block, so have a receptacle ready below.
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 specification range, replace the thermostat.
1.
Radiator hose (lower)
2.
Water inlet
3.
Rubber ring
4.
Thermostat
A.
To radiator
PBIC3810E
Standard: Refer to
PBIC3314J
CO-22
< REMOVAL AND INSTALLATION >
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THERMOSTAT
INSTALLATION
Installation is in the reverse order of removal.
Thermostat
• Install thermostat making sure rubber ring (1) groove fits securely
to thermostat flange (A).
CAUTION:
Do not reuse rubber ring.
• Install thermostat (2) into the cylinder block (1) with jiggle valve (A)
facing upward.
Water Inlet
After installation, attach the water inlet clip (A) on the oil level gauge
guide (1) positioned at location (B) as shown.
INSPECTION AFTER INSTALLATION
• Before starting engine, check oil/fluid levels, including engine coolant and engine oil. If less than required
quantity, fill to the specified level. Refer to
MA-11, "Fluids and Lubricants"
• Use procedure below to check for fuel leaks.
• Turn ignition switch ON (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leaks
at connection points.
• Start engine. With engine speed increased, check again for fuel leaks at connection points.
• Run engine to check for unusual noise and vibration.
NOTE:
If hydraulic pressure inside timing chain tensioner drops after removal and installation, slack in the guide
may generate a pounding noise during and just after engine start. However, this is normal. Noise will stop
after hydraulic pressure rises.
• Warm up engine thoroughly to make sure there is no leaks of fuel, exhaust gas, or any oils/fluids, including
engine oil and engine coolant.
• Bleed air from passages in lines and hoses, such as in cooling system.
• After cooling down engine, again check oil/fluid levels, including engine oil and engine coolant. Refill to spec-
ified level, if necessary.
• Summary of the inspection items:
JPBIA4229ZZ
PBIC3812E
PBIC3755E
THERMOSTAT
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*Power steering fluid, brake fluid, etc.
Item
Before starting engine
Engine running
After engine stopped
Engine coolant
Level
Leaks
Level
Engine oil
Level
Leaks
Level
Transmission/
transaxle fluid
CVT Models
Leaks
Level/Leaks
Leaks
M/T Models
Level/Leaks
Leaks
Level/Leaks
Other oils and fluids*
Level
Leaks
Level
Fuel
Leaks
Leaks
Leaks
Exhaust gas
—
Leaks
—
CO-24
< REMOVAL AND INSTALLATION >
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WATER OUTLET
WATER OUTLET
Exploded View
INFOID:0000000009444806
M/T model
CVT model
AWBIA1490ZZ
1.
Engine coolant temperature sensor
2.
Clamp
3.
Gasket
4.
Clamp
5.
Bracket
6.
Clamp
7.
Water outlet
8.
Clamp
9.
Clamp
10. Cylinder block heater (Canada)
A.
From electric throttle control actuator B.
To radiator
C.
From heater core
D.
To heater core
E.
To electric throttle control actuator
Front
AWBIA1489ZZ
1.
Engine coolant temperature sensor
2.
Clamp
3.
Gasket
4.
Clamp
5.
Bracket
6.
Clamp
7.
Water outlet
8.
Clamp
9.
Clamp
10. Clamp
11. Cylinder block heater (Canada)
A.
From electric throttle control actuator
B.
To radiator
C.
To heater core / CVT oil warmer
D.
To CVT oil warmer
E.
To heater core
F.
To electric throttle control actuator
Front
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