2014 NISSAN TEANA Service Manual

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Page 409 of 4801

NISSAN TEANA 2014 Service Manual
PREPARATIONCO-29
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PREPARATION
PREPARATION
Special Service ToolINFOID:0000000009460408
The actual shapes of the tools may
differ from those il

Page 410 of 4801

NISSAN TEANA 2014 Service Manual
CO-30
< PREPARATION >[VQ35DE]
PREPARATION
Tool name
Description
Power tool Loosening nuts, screws and bolts
Radiator cap tester Testing radiator cap
Tube pressure Pressing the tube of liquid gasket

Page 411 of 4801

NISSAN TEANA 2014 Service Manual
COOLING SYSTEMCO-31
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SYSTEM DESCRIPTION
COOLING SYSTEM
Cooling CircuitINFOID:0000000009460410
AWBIA1193GB
1. Cylinder block (RH) 2. Oil

Page 412 of 4801

NISSAN TEANA 2014 Service Manual
CO-32
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COOLING SYSTEM
Schematic
INFOID:0000000009460411
WBIA0562E
Revision: November 20132014 Altima NAM

Page 413 of 4801

NISSAN TEANA 2014 Service Manual
OVERHEATING CAUSE ANALYSISCO-33
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OVERHEATING CAUSE ANALYSIS
Troubleshooting ChartINFOID:0000000009460412
Symptom Check items
Cooling sy

Page 414 of 4801

NISSAN TEANA 2014 Service Manual
CO-34
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OVERHEATING CAUSE ANALYSIS
Except cool-
ing system
parts mal-
function — Overload on engine
Abusive driving
High engine rpm under no
load
Driving in low g

Page 415 of 4801

NISSAN TEANA 2014 Service Manual
ENGINE COOLANTCO-35
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PERIODIC MAINTENANCE
ENGINE COOLANT
System InspectionINFOID:0000000009460413
WARNING:
Do not remove the radiato

Page 416 of 4801

NISSAN TEANA 2014 Service Manual
CO-36
< PERIODIC MAINTENANCE >[VQ35DE]
ENGINE COOLANT
2. Pull the negative-pressure valve to open it and check that it
closes completely when released.
• Check that there is no dirt or damage on

CO-36
< PERIODIC MAINTENANCE >[VQ35DE]
ENGINE COOLANT
2. Pull the negative-pressure valve to open it and check that it
closes completely when released.
• Check that there is no dirt or damage on the valve seat of the
radiator cap negative-pressure valve.
• Check that there are no abnormalities in the opening and clos- ing conditions of the negative-pressure valve.
3. Check radiator cap relief pressure using suitable tool and Tool. • When connecting the radiator cap to the tester, apply water orcoolant to the cap seal surface.
• Replace the radiator cap if there is an abnormality in the nega-
tive-pressure valve, or if the open-valve pressure is outside of
the standard values.
CHECKING RADIATOR
Check radiator for mud or clogging. If necessary, clean radiator as follows.
CAUTION:
• Be careful not to bend or damage the radiator fins.
• When radiator is cleaned on-vehicle, remove surr ounding parts in order to access the radiator core.
Tape the harness and electrical connectors to prevent water from entering.
1. Spray water to the back side of the radiator co re using a side to side motion from the top down.
2. Stop spraying when debris no longer flows from radiator core.
3. Blow air into the back side of radiator core using a side to side motion from the top down.
• Use compressed air lower than 490 kPa (5 kg/cm
2, 71 psi) and keep distance more than 30 cm (11.8 in).
4. Continue to blow air until no water sprays out.
5. Check for coolant leaks. Repair as necessary.
Changing Engine CoolantINFOID:0000000009460414
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 th ick cloth around the cap. Slowly push down and
turn it a quarter turn to allow built-up pressure to escape. Carefully remove the cap by pushing it down
and turning it all the way.
DRAINING ENGINE COOLANT
1. Remove the engine under cover. Refer to EXT-17, "Removal and Installation".
2. Open the radiator drain plug at the bottom of the radi ator and remove the radiator filler cap. This is the
only step required when partially draining the cooling system (radiator only).
CAUTION:
• Do not allow the coolant to contact the drive belts.
• Perform this step when engine is cold.
3. Follow this step for heater core removal/replac ement only. Disconnect the upper heater hose at the
engine side and apply moderate air pressure [103.46 kPa (1.055 kg/cm
2, 15 psi) maximum air pressure]
into the hose for 30 seconds to blow t he excess coolant out of the heater core.
4. When draining all of the coolant in the system, re move the reservoir tank and drain the coolant, then clean
the reservoir tank before installation.
CAUTION:
SMA967B
Tool number : EG17650301 (J-33984-A)
Standard : Refer to CO-53, "Radiator"
.
WBIA0570E
Revision: November 20132014 Altima NAM

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