Nissan Sentra Service Manual: System description

Nissan Sentra Service Manual / Engine / Engine cooling system / 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:

Multiport Fuel Injection System or Engine Control System
Before connecting or disconnecting any harness connector for the multiport fuel injection system or ECM: Turn ignition switch to вЂњOFFвЂќ position. Disconnect negative battery terminal. Otherwise, there may be damage to ECM. Before disconnecting pressurized fuel line from ...

ECO mode switch
ECO mode switch The ECO mode helps to enhance the fuel economy by controlling the throttle sensitivity and transmission points (CVT if so equipped). To turn on the ECO mode, push the ECO mode switch. The ECO mode indicator light (on the speedometer) will remain lit while the mode is act ...

Symptom diagnosis
OVERHEATING CAUSE ANALYSIS Troubleshooting Chart Symptom Check items Cooling system parts malfunction Poor heat transfer Water pump malfunction Worn or loose drive belt вЂ” Thermostat stuck closed Engine coolant circulation Da ...