Nissan Ariya: Li-Ion Battery Cooling System
2wd Models
LI-ION BATTERY COOLING SYSTEM : Exploded View
 |
Clamp |  |
Water cooler outlet hose |  |
Electric water pump inlet tube |
 |
Water cooler inlet hose left |  |
Water hose bracket 1 |  |
Electric water pump inlet tube ASSY left |
 |
Water hose bracket 2 |  |
Electric water pump inlet tube ASSY cover left |  |
Electric water pump bracket 1 |
 |
Electric water pump |  |
Electric water pump harness |  |
Water cooler inlet hose right |
 |
Reservoir tank cap |  |
Reservoir tank |  |
Reservoir tank hose |
 |
Water cooler inlet hose |  |
Electric water pump inlet tube ASSY right |  |
Electric water pump inlet tube ASSY cover right |
 |
Water hose bracket 3 |  |
Water hose bracket 4 | ||
 |
: To Li-ion battery Refer to Exploded View. | ||||
 |
：N·m(kg-m, in-lb) | ||||
 |
：N·m(kg-m, ft-lb) | ||||
 , : Shows the connection between the same marks |
|||||
LI-ION BATTERY COOLING SYSTEM : Removal & Installation
REMOVAL
WARNING:
Never remove the reservoir tank cap if the drive motor or other high voltage part is hot. Hot coolant may spout out from the radiator, causing serious injury.
RESERVOIR TANK
Drain coolant. Refer to COOLANT : Draining.
Remove the reservoir tank mounting bolt, and move the reservoir tank to the front of the Nissan Ariya vehicle.
Disconnect the reservoir tank hose from the reservoir tank, and remove the reservoir tank.
WATER COOLER INLET HOSE
Drain coolant. Refer to COOLANT : Draining.
Disconnect the water cooler inlet hose from the reservoir tank hose.
Disconnect the water cooler inlet hose from the electric water pump and the electric water pump inlet tube ASSY right, and remove the water cooler inlet hose.
ELECTRIC WATER PUMP INLET TUBE ASSY RIGHT
Drain coolant. Refer to COOLANT : Draining.
Remove the front tire assembly RH. Refer to ROAD WHEEL TIRE : Removal & Installation.
Disconnect the electric water pump inlet tube ASSY right from the LI-ION battery side hose.
Remove the electric water pump inlet tube ASSY right mounting bolt and water hose bracket 4 mounting bolt.
Remove the electric water pump inlet tube ASSY right from the water cooler inlet hose.
Remove the electric water pump inlet tube ASSY cover right.
Remove the electric water pump inlet tube ASSY right.
ELECTRIC WATER PUMP INLET TUBE ASSY LEFT
Drain coolant. Refer to COOLANT : Draining.
Remove the front tire assembly LH. Refer to ROAD WHEEL TIRE : Removal & Installation.
Disconnect the electric water pump inlet tube ASSY left from the LI-ION battery side hose.
Remove the electric water pump inlet tube ASSY leftt mounting bolt and water hose bracket 4 mounting bolt.
Remove the electric water pump inlet tube ASSY left from the water cooler inlet hose.
Remove the electric water pump inlet tube ASSY cover left.
Remove the electric water pump inlet tube ASSY left.
ELECTRIC WATER PUMP INLET TUBE
Drain coolant. Refer to COOLANT : Draining.
Remove the water cooler inlet hose from the electric water pump.
Remove the front suspension member. Refer to FRONT SUSPENSION MEMBER : Removal & Installation.
Remove the water cooler inlet hose right.
Remove the water cooler inlet hose left.
Remove the electric water pump inlet tube.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Be sure to perform air bleeding properly after refilling coolant.
WATER HOSE
-
When inserting the radiator hose and water hose , insert all the way until it contacts double spool
, or it contacts the end.
-
Refer to the following table when installing the hose clamps.
Location of hose Hose end Direction of Paint mark Direction of hose clamp tabs
: Nissan Ariya Vehicle upper
Vehicle front Reservoir tank hose Reservoir tank side Nissan Ariya Vehicle upper 
Water cooler inlet hose side Nissan Ariya Vehicle left 
NOTE:
Clamp is glued to hose.
Water cooler inlet hose Electric water pump side Nissan Ariya Vehicle rear 
Electric water pump inlet tube ASSY right side Nissan Ariya Vehicle lower left 
Electric water pump inlet tube ASSY right LI-ION battery side Nissan Ariya Vehicle lower 
Water cooler inlet hose side Nissan Ariya Vehicle lower left NOTE:
Clamp is glued to hose.
Water cooler inlet hose right Electric water pump inlet tube ASSY Nissan Ariya Vehicle upper 
Electric water pump side Nissan Ariya Vehicle upper Water cooler inlet hose left Battery coolant cooler side Nissan Ariya Vehicle front 
Electric water pump inlet tube ASSY side Nissan Ariya Vehicle rear lower 
Water cooler outlet hose Battery coolant cooler side Nissan Ariya Vehicle upper 
Electric water pump inlet tube ASSY cover left side Nissan Ariya Vehicle rear left 
Electric water pump inlet tube ASSY cover left Water cooler outlet hose side Nissan Ariya Vehicle lower rear NOTE:
Clamp is glued to hose.
LI-ION battery side Nissan Ariya Vehicle lower -
The direction of the hose clamp tabs must be within ±30°
of the indicated position.
-
When installing hose clamp
, check that the distance "A" between the end of the radiator hose paint mark and the hose clamp is within the specified range.
LI-ION BATTERY COOLING SYSTEM : Inspection
INSPECTION AFTER INSTALLATION
-
Check radiator for coolant leakage with radiator cap tester (commercial service tool).
Refer to COOLANT : Inspection.
-
Start the electric pump, and check the joints for coolant leakage.
Awd Models
LI-ION BATTERY COOLING SYSTEM : Exploded View
|
Clamp | |
Water cooler outlet hose | |
Electric water pump inlet tube |
|
Water cooler inlet hose left | |
Water hose bracket 1 | |
Electric water pump inlet tube ASSY left |
|
Water hose bracket 2 | |
Electric water pump inlet tube ASSY cover left | |
Electric water pump bracket 1 |
|
Electric water pump | |
Electric water pump harness | |
Water cooler inlet hose right |
|
Reservoir tank cap | |
Reservoir tank | |
Reservoir tank hose |
|
Water cooler inlet hose | |
Electric water pump inlet tube ASSY right | |
Electric water pump inlet tube ASSY cover right |
|
Water hose bracket 3 | |
Water hose bracket 4 | ||
|
: To Li-ion battery Refer to Exploded View. |
||||
|
：N·m(kg-m, in-lb) | ||||
|
：N·m(kg-m, ft-lb) | ||||
| ,: Shows the connection between the same marks |
|||||
LI-ION BATTERY COOLING SYSTEM : Removal & Installation
REMOVAL
WARNING:
Never remove the reservoir tank cap if the drive motor or other high voltage part is hot. Hot coolant may spout out from the radiator, causing serious injury.
RESERVOIR TANK
Drain coolant. Refer to COOLANT : Draining.
Remove the reservoir tank mounting bolt, and move the reservoir tank to the front of the Nissan Ariya vehicle.
Disconnect the reservoir tank hose from the reservoir tank, and remove the reservoir tank.
WATER COOLER INLET HOSE
Drain coolant. Refer to COOLANT : Draining.
Disconnect the water cooler inlet hose from the reservoir tank hose.
Disconnect the water cooler inlet hose from the electric water pump and the electric water pump inlet tube ASSY right, and remove the water cooler inlet hose.
ELECTRIC WATER PUMP INLET TUBE ASSY RIGHT
Drain coolant. Refer to COOLANT : Draining.
Remove the front tire assembly RH. Refer to ROAD WHEEL TIRE : Removal & Installation.
Disconnect the electric water pump inlet tube ASSY right from the LI-ION battery side hose.
Remove the electric water pump inlet tube ASSY right mounting bolt and water hose bracket 4 mounting bolt.
Remove the electric water pump inlet tube ASSY right from the water cooler inlet hose.
Remove the electric water pump inlet tube ASSY cover right.
Remove the electric water pump inlet tube ASSY right.
ELECTRIC WATER PUMP INLET TUBE ASSY LEFT
Drain coolant. Refer to COOLANT : Draining.
Remove the front tire assembly LH. Refer to ROAD WHEEL TIRE : Removal & Installation.
Disconnect the electric water pump inlet tube ASSY left from the LI-ION battery side hose.
Remove the electric water pump inlet tube ASSY leftt mounting bolt and water hose bracket 4 mounting bolt.
Remove the electric water pump inlet tube ASSY left from the water cooler inlet hose.
Remove the electric water pump inlet tube ASSY cover left.
Remove the electric water pump inlet tube ASSY left.
ELECTRIC WATER PUMP INLET TUBE
Drain coolant. Refer to COOLANT : Draining.
Remove the water cooler inlet hose from the electric water pump.
Remove the front suspension member. Refer to FRONT SUSPENSION MEMBER : Removal & Installation.
Remove the water cooler inlet hose right.
Remove the water cooler inlet hose left.
Remove the electric water pump inlet tube.
INSTALLATION
Note the following, and install in the reverse order of removal.
CAUTION:
Be sure to perform air bleeding properly after refilling coolant.
WATER HOSE
-
When inserting the radiator hose and water hose , insert all the way until it contacts double spool
, or it contacts the end. -
Refer to the following table when installing the hose clamps.
Location of hose Hose end Direction of Paint mark Direction of hose clamp tabs
: Nissan Ariya Vehicle upperVehicle front Reservoir tank hose Reservoir tank side Nissan Ariya Vehicle upper Water cooler inlet hose side Nissan Ariya Vehicle left NOTE:
Clamp is glued to hose.
Water cooler inlet hose Electric water pump side Nissan Ariya Vehicle rear Electric water pump inlet tube ASSY right side Nissan Ariya Vehicle lower left Electric water pump inlet tube ASSY right LI-ION battery side Nissan Ariya Vehicle lower Water cooler inlet hose side Nissan Ariya Vehicle lower left NOTE:
Clamp is glued to hose.
Water cooler inlet hose right Electric water pump inlet tube ASSY Nissan Ariya Vehicle upper Electric water pump side Nissan Ariya Vehicle upper Water cooler inlet hose left Battery coolant cooler side Nissan Ariya Vehicle front Electric water pump inlet tube ASSY side Nissan Ariya Vehicle rear lower Water cooler outlet hose Battery coolant cooler side Nissan Ariya Vehicle upper Electric water pump inlet tube ASSY cover left side Nissan Ariya Vehicle rear left Electric water pump inlet tube ASSY cover left Water cooler outlet hose side Nissan Ariya Vehicle lower rear NOTE:
Clamp is glued to hose.
LI-ION battery side Nissan Ariya Vehicle lower -
The direction of the hose clamp tabs must be within ±30°
of the indicated position. -
When installing hose clamp
, check that the distance "A" between the end of the radiator hose paint mark and the hose clamp is within the specified range.
LI-ION BATTERY COOLING SYSTEM : Inspection
INSPECTION AFTER INSTALLATION
-
Check radiator for coolant leakage with radiator cap tester (commercial service tool).
Refer to COOLANT : Inspection.
-
Start the electric pump, and check the joints for coolant leakage.
Nissan Ariya (FE0) 2023-2025 Service & Repair Manual
Li-Ion Battery Cooling System
Actual pages
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