Nissan Sentra B18 (2020-2025) Service Manual: Water Pump
Exploded View
|
1. |
Water inlet |
2. |
Thermostat assembly |
3. |
Water pump housing |
|
4. |
Water pump housing gasket |
5. |
Water pump |
6. |
Water pump gasket |
|
7. |
O-ring |
A. |
Refer to Removal and Installation. |
B. |
To reservoir tank. Refer to Exploded View. |
|
C. |
To CVT oil warmer (CVT models only). Refer to Exploded View. To oil cooler (M/T models only). Refer to Exploded View. |
Removal and Installation
REMOVAL
Disconnect the battery. Refer to Battery Disconnect.
Drain coolant. Refer to Draining.
CAUTION:
-
Do not spill coolant on the drive belt while working.
-
Be sure to perform this operation when engine coolant temperature is cold.
Remove the drive belt. Refer to Removal and Installation.
Remove the water pump bolts and then remove the water pump.
-
Engine coolant remaining in the cylinder block will drain out at this time. Use a tray to collect it.
CAUTION:
-
Do not reuse water pump gasket.
-
Do not allow water pump vane to interfere with other parts.
-
Do not disassemble water pump.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Do not reuse water pump gasket.
Inspection
INSPECTION AFTER REMOVAL
Check
visually that there is no significant dirt, rusting or corrosion on
water pump body and vane (A).
Check that there is no looseness in vane shaft, and that it turns smoothly when rotated by hand.
Replace water pump, if necessary.
INSPECTION AFTER INSTALLATION
Checking for Coolant Leaks
Start the engine.
Check the joints for coolant leaks. Refer to Inspection.
Cooling Fan
Exploded View
Exploded View
1.
Reservoir tank
cap
...
Water Pump Housing
Exploded View
Exploded View
1.
Water inlet
2.
...
Other materials:
C1140 Actuator relay system
DTC Logic
DTC DETECTION LOGIC
DTC
Display Item
Malfunction detected condition
Possible causes
C1140
ACTUATOR RLY
When a malfunction is detected in actuator relay.
Harness or connector
ABS actuator and electric unit
(control unit)
Fusible link ...
Handling Precautions for Plastics
Precautions for Plastics
Precautions
For Plastics
Abbreviation
Material name
Heat resisting temperature °C
(°F)
Resi ...
P0401 Egr Function
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC
CONSULT screen terms
(Trouble diagnosis
content)
DTC detection
condition
...
