Nissan Sentra B18 (2020-2025) Service Manual: Water Outlet and Water Control Valve
Exploded View
|
1. |
Water hose |
2. |
Clamp |
3. |
Water control valve |
|
4. |
O-ring |
5. |
Water outlet |
6. |
Clamp |
|
7. |
Water hose |
8. |
Engine coolant temperature sensor |
9. |
Clamp |
|
10. |
Heater hose |
A. |
To heater core. Refer to Exploded View. |
B. |
Refer to Removal and Installation. |
|
C. |
To radiator hose (upper). Refer to Exploded View. |
D. |
To CVT oil warmer (CVT models only). Refer to Exploded View. |
Removal and Installation
REMOVAL
Drain coolant. Refer to Draining.
CAUTION:
Be sure to perform this operation when coolant temperature is cold.
Remove the battery and battery tray. Refer to Removal and Installation (Battery).
Disconnect the harness connector from the engine coolant temperature sensor.
Remove engine coolant temperature sensor from the water outlet (if necessary).
CAUTION:
Do not reuse engine coolant temperature sensor.
Remove the radiator hose (upper) from the water outlet. Refer to Exploded View.
Remove the electronic throttle control actuator water hose from the water outlet.
Remove CVT water hose from water outlet (CVT models only).
Remove heater hose from water outlet.
Remove EGR cooler water hose from water outlet.
Remove bolts and remove water outlet.
CAUTION:
Do not reuse water outlet.
Remove water control valve from cylinder head.
CAUTION:
Do not reuse rubber ring.
INSPECTION AFTER REMOVAL
-
Place a thread so that it is caught in the valves of the water control valve. Immerse fully in a container filled with water. Heat while stirring.
-
The valve opening temperature is the temperature at which the valve opens and the water control valve falls from the thread.
-
Continue heating. Check the full-open lift amount.
Note:
The full-open lift amount standard temperature for the water control valve is the reference value.
-
After checking the full-open lift amount, lower the water temperature and check valve closing temperature.
Water Control Valve
Standard Values
Valve opening temperature
Refer to Water Control Valve.
Full-open lift amount
Refer to Water Control Valve.
Valve closing temperature
Refer to Water Control Valve.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
-
Do not reuse rubber ring or water outlet.
-
Do not reuse engine coolant temperature sensor (if removed).
-
Ensure rubber ring (1) is seated properly around control valve flange (A).
-
Install water control valve with circle mark (B) facing up and the frame center part within range (A).
-
After installation, refill engine coolant. Refer to Refilling.
Inspection
Start the engine.
Check the joints for coolant leaks. Refer to Inspection
Water Pump Housing
Exploded View
Exploded View
1.
Water inlet
2.
...
Thermostat
Exploded View
Exploded View
1.
Water inlet
2.
...
Other materials:
Basic inspection
DIAGNOSIS AND REPAIR WORKFLOW
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.INTERVIEW CUSTOMER
Interview the customer to obtain as much information as possible about the
conditions and environment under
which the malfunction occurred.
>> GO TO 2.
2.SYMPTOM CHECK
Verify symptoms.
...
Radiator
Exploded View
Exploded View
1.
Reservoir tank cap
2.
Reservoir tank
3.
...
Symptom Diagnosis
Exterior Lighting System Symptoms
Symptom Table
Symptom Table
Note:
Perform the self-diagnosis with CONSULT before
the symptom diagnosis. Perform the trouble diagnosis if any DTC is
detected.
Symptom
...