Nissan Sentra Service Manual: System description
DESCRIPTION
Engine Cooling System Schematic
CVT Models
- Radiator
- Water inlet
- Reservoir tank
- Thermostat
- Engine oil cooler
- Thermostat housing
- Water pump
- Cylinder head
- Cylinder block
- Water control valve
- Water outlet
- Heater
- Electric throttle control actuator
- CVT oil warmer
- Heater thermostat
- Open
- Closed
CVT models
- From heater thermostat
- From radiator
- To engine oil cooler
- To engine oil cooler
- To CVT oil warmer
- From heater core
- To heater core
M/T Models
- Radiator
- Water inlet
- Reservoir tank
- Thermostat
- Engine oil cooler
- Thermostat housing
- Water pump
- Cylinder head
- Cylinder block
- Water control valve
- Water outlet
- Heater
- Electric throttle control actuator
- Open
- Closed
- From heater thermostat
- From radiator
- To engine oil cooler
- To filler neck
- From heater core
- To heater core
Preparation
Special Service Tool
The actual shape of the tools may differ from those illustrated here.
Commercial Service Tool
...
Symptom diagnosis
OVERHEATING CAUSE ANALYSIS
Troubleshooting Chart
Symptom
Check items
Cooling system
parts
malfunction
Poor heat transfer
Water pump malfunction
Worn or lo ...
Other materials:
Spark plugs
Replacing spark plugs
WARNINGBe sure the engine and ignition switch are
off and that the parking brake is engaged
securely.
CAUTION
Be sure to use the correct socket to remove
the spark plugs. An incorrect socket
can damage the spark plugs.
Platinum-tipped spark plugs (ex ...
Structure and operation
Positive Crankcase Ventilation
This system returns blow-by gas to the intake manifold.
The positive crankcase ventilation (PCV) valve is provided to conduct crankcase
blow-by gas to the intake
manifold.
During partial throttle operation of the engine, the intake manifold sucks the
bl ...
Radio
With the ignition placed in the ACC or ON position,
press the PWR (power)/VOL (volume) knob
to turn the radio on. If you listen to the radio with
the engine not running, the ignition should be
placed in the ACC position.
Radio reception is affected by station signal
strength, distance from r ...
