Nissan Ariya: Radiator

• 2wd Models
• Awd Models

2wd Models

RADIATOR : Exploded View

	Radiator air guide right		Clip		Radiator air guide upper right
	Radiator air guide upper left		Radiator air guide left		Radiator air guide lower left
	Radiator air guide lower right		Chipping guard		Radiator reservoir tank hose
	Clamp		Reservoir tank cap		Reservoir tank
	Air bleeder		Radiator upper mounting lock		Radiator upper mounting
	Radiator		Radiator lower mounting		Radiator core support lower
	Radiator outlet hose		Radiator hose lower		Radiator hose lower bracket
	Radiator cooling fan shroud		Electric water pump		Electric water pump bracket
	Radiator hose lower (between traction motor inverter and electric water pump 1)*1		Radiator hose lower connector		O-ring
	Drain plug		Clip 1		Radiator hose lower (between traction motor inverter and electric water pump 2)*1
	Radiator hose lower pipe *1		Clip 2		Radiator hose lower (between traction motor inverter and electric water pump 3)*1
	Bracket		DC/DC converter inlet hose		Traction motor
	Traction motor inlet hose		Traction motor inlet hose (traction motor side)		Traction motor inlet hose (DC/DC converter side)
	Radiator hose lower ASSY (between traction motor inverter and electric water pump)		*1 : ,,, are supplied as an assembly
	: N·m(kg-m, in-lb)
	: N·m(kg-m, ft-lb)
,,,: Shows the connection between the same marks.

RADIATOR : 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.

Remove high voltage supply unit from vehicle. Refer to HIGH VOLTAGE POWER DELIVERY ASSEMBLY : Exploded View.

Discharge A/C refrigerant gas. Refer to Recycle Refrigerant.

Remove A/C piping mounting bolts and remove piping.

: Nissan Ariya Vehicle front

Remove harness connector .

: Nissan Ariya Vehicle front

Remove front bumper. Refer to Removal & Installation.

Remove active grill shutter. Refer to Removal & Installation.

Remove radiator air guides upper on both sides.

Remove radiator air guides lower on both sides.

Remove radiator air guides on both sides.

Remove chipping guard.

Remove high pressure flexible pipe ASSY. Refer to Removal & Installation.

Remove accumulator ASSY side of low pressure flexible hose. Refer to Removal & Installation.

Remove high pressure flexible hose. Refer to Removal & Installation.

Remove radiator reservoir tank hose.

Remove harness and harness clips of radiator cooling fan motor. Refer to COOLING FAN : Removal & Installation.

Remove radiator outlet hose.

Remove radiator hose lower.

Remove bolts of radiator hose lower bracket.

Remove bracket mounting bolts. Refer to FRONT TRACTION MOTOR : Removal & Installation.

Remove radiator upper mounting lock.

Remove radiator, condenser, cooling fan, and accumulator ASSY all together from Nissan Ariya vehicle.

Remove accumulator ASSY from condenser, and radiator cooling fan shroud.

Remove radiator cooling fan shroud from radiator.

Remove radiator from condenser.

Disconnect each hose from radiator.

INSTALLATION

Note the following, and install in the reverse order of removal.

CAUTION:

Be sure to perform air bleeding properly after refilling coolant.

Radiator

Chipping Guard

• When installing the chipping guard, securely insert the engaging points shown by the arrows () in the figure.

  

Radiator Hose / 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
  Radiator reservoir tank hose	Radiator reservoir tank side	Nissan Ariya Vehicle upper
  	Radiator side	Nissan Ariya Vehicle upper
  Radiator outlet hose	Radiator side	Nissan Ariya Vehicle right
  	In-Nissan Ariya vehicle charger side	Vehicle upper
  DC/DC converter inlet hose	In-Nissan Ariya vehicle charger side	Vehicle rear
  	DC/DC converter side	Nissan Ariya Vehicle rear
  Traction motor inlet hose (DC/DC converter side)	DC/DC converter side	Nissan Ariya Vehicle rear
  	Traction motor inlet hose (traction motor side)	Nissan Ariya Vehicle right	NOTE: Clamp is glued to hose.
  Traction motor inlet hose	Traction motor inverter side	Nissan Ariya Vehicle upper
  	Traction motor inside	Nissan Ariya Vehicle rear
  Radiator hose lower (between traction motor inverter and electric water pump)	Traction motor inverter side	Nissan Ariya Vehicle upper
  	Electric water pump side	Nissan Ariya Vehicle rear left
  Radiator hose lower	Electric water pump side	Nissan Ariya Vehicle upper
  	Radiator side	Nissan Ariya Vehicle left
  Traction motor inlet hose (traction motor side)	Traction motor inside	Nissan Ariya Vehicle upper right
  	Traction motor inlet hose (DC/DC converter side)	Nissan Ariya Vehicle upper	NOTE: Clamp is glued to hose.

• 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.

  

  Dimension “A”

  : (+1) - (-1) mm [(+0.04) - (-0.04) in]

RADIATOR : Inspection

INSPECTION AFTER INSTALLATION

• Confirm that the reservoir tank cap is tightened.

• With a suitable tool, check that there is no leaks of coolant. Refer to Inspection.

• Start the electric pump, and check the joints for coolant leaks.

Awd Models

RADIATOR : Exploded View

Front side

	Radiator air guide		Clip		Radiator air guide upper right
	Radiator air guide upper left		Radiator air guide left		Radiator air guide lower left
	Radiator air guide lower right		Chipping guard		Radiator reservoir tank hose
	Clamp		Reservoir tank cap		Reservoir tank
	Air bleeder		Radiator upper mounting lock		Radiator upper mounting
	Radiator		Radiator lower mounting		Radiator core support lower
	Radiator outlet hose		Radiator hose lower		Radiator hose lower bracket
	Radiator cooling fan shroud		Electric water pump		Electric water pump bracket
	Radiator hose lower (Between traction motor inverter and electric water pump 1)*1		Radiator hose lower connector		O-ring
	Drain plug		Clip 1		Radiator hose lower (Between traction motor inverter and electric water pump 2)*1
	Radiator hose lower pipe *2		Clip 2		Radiator hose lower (Between traction motor inverter and electric water pump 3)*3
	Bracket		DC/DC converter inlet hose		Traction motor
	Traction motor inlet hose		Traction motor inlet hose (Traction motor side)		Traction motor inlet hose (DC/DC converter side)
	Radiator hose lower [Between inverter(front) and electric water pump] ASSY		Water hose 1		Electric water pump inlet tube ASSY left
	Water hose bracket 2		Water hose bracket 1		Electric water pump inlet tube ASSY cover left
	Water hose 2		Water hose 3		Electric water pump inlet tube ASSY right
	Electric water pump inlet tube ASSY cover right		Water hose bracket3		Water hose bracket 4
	Water hose 4
*1	,,, are supplied as an assembly
	: N·m (kg-m, in-lb)
	: N·m (kg-m, ft-lb)
,,,,,: Shows the connection between the same marks

Rear side

	Clamp		Water hose [inverter (rear) inlet] 2		Bracket 1
	Bracket 2		Clip 1		Clip 2
	Water hose [inverter (rear) inlet] 1		Clip 3		Bracket 3
	Bracket 4		Clip 4		Bracket 5
	Clip 5		Water hose (oil cooler outlet) 1		Water hose (oil cooler outlet) 2
	Clip 6		Bracket 6		Clip 7
	Bracket 7		Water hose [inverter (rear) inlet - oil cooler]
	To Li-ion batery		To Li-ion batery
	: N·m (kg-m, in-lb)
	: N·m (kg-m, ft-lb)

RADIATOR : Removal & Installation

REMOVAL

water line front side

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.

Remove high voltage supply unit from vehicle. Refer to HIGH VOLTAGE POWER DELIVERY ASSEMBLY : Exploded View.

Discharge A/C refrigerant gas. Refer to Recycle Refrigerant.

Remove A/C piping mounting bolts and remove piping.

: Nissan Ariya Vehicle front

Remove harness connector .

: Nissan Ariya Vehicle front

Remove front bumper. Refer to Removal & Installation.

Remove active grill shutter. Refer to Removal & Installation.

Remove radiator air guides upper on both sides.

Remove radiator air guides lower on both sides.

Remove radiator air guides on both sides.

Remove chipping guard.

Remove high pressure flexible pipe ASSY. Refer to Removal & Installation.

Remove accumulator ASSY side of low pressure flexible hose. Refer to Removal & Installation.

Remove high pressure flexible hose. Refer to Removal & Installation.

Remove radiator reservoir tank hose.

Remove harness and harness clips of radiator cooling fan motor. Refer to COOLING FAN : Removal & Installation.

Remove radiator outlet hose.

Remove radiator hose lower.

Remove bolts of radiator hose lower bracket.

Remove bracket mounting bolts. Refer to FRONT TRACTION MOTOR : Removal & Installation.

Remove radiator upper mounting lock.

Remove radiator, condenser, cooling fan, and accumulator ASSY all together from Nissan Ariya vehicle.

Remove accumulator ASSY from condenser, and radiator cooling fan shroud.

Remove radiator cooling fan shroud from radiator.

Remove radiator from condenser.

Disconnect each hose from radiator.

water line rear side

1. Drain coolant. Refer to COOLANT : Draining.

2. Remove the rear diffuser front. Refer to Exploded View.

3. Remove the li-ion battery under cover (rear). Refer to Exploded View.

4. Remove the water hose [inverter (rear) inlet] 2 and the water hose (oil cooler outlet) 2 from the li-ion battery side.

   

5. Remove the clip 1, clip 2, clip 6 and clip 7.

   

6. Remove the rear traction motor.

7. Remove the water hose [inverter (rear) inlet] 2 from the water hose [inverter (rear) inlet] 1 side.

8. Remove the water hose (oil cooler outlet) 2 from the water hose (oil cooler outlet) 1 side.

9. Remove the clip 3.

10. Remove the water hose [inverter (rear) inlet] 1 from the rear traction motor side.

11. Remove the clip 4 and clip 5.

12. Remove the water hose (oil cooler outlet) 1 from the rear traction motor side.

13. Remove the water hose [inverter (rear) inlet - oil cooler]

INSTALLATION

water line front side

Note the following, and install in the reverse order of removal.

CAUTION:

Be sure to perform air bleeding properly after refilling coolant.

• When installing the chipping guard, securely insert the engaging points shown by the arrows () in the figure.

  

• 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
  Radiator reservoir tank hose	Radiator reservoir tank side	Nissan Ariya Vehicle upper
  	Radiator side	Nissan Ariya Vehicle upper
  Radiator outlet hose	Radiator side	Nissan Ariya Vehicle right
  	In-Nissan Ariya vehicle charger side	Vehicle upper
  DC/DC converter inlet hose	In-Nissan Ariya vehicle charger side	Vehicle rear
  	DC/DC converter side	Nissan Ariya Vehicle rear
  Traction motor inlet hose (DC/DC converter side)	DC/DC converter side	Nissan Ariya Vehicle rear
  	Traction motor inlet hose (traction motor side)	Nissan Ariya Vehicle right	NOTE: Clamp is glued to hose.
  Traction motor inlet hose	Traction motor inverter side	Nissan Ariya Vehicle upper
  	Traction motor inside	Nissan Ariya Vehicle rear
  Radiator hose lower (between traction motor inverter and electric water pump)	Traction motor inverter side	Nissan Ariya Vehicle upper
  	Electric water pump side	Nissan Ariya Vehicle rear left
  Radiator hose lower	Electric water pump side	Nissan Ariya Vehicle upper
  	Radiator side	Nissan Ariya Vehicle left
  Traction motor inlet hose (traction motor side)	Traction motor inside	Nissan Ariya Vehicle upper right
  	Traction motor inlet hose (DC/DC converter side)	Nissan Ariya Vehicle upper	NOTE: Clamp is glued to hose.

• 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.

  

  Dimension “A”

  :(+1) - (–1) mm [(+0.04) - (-0.04) in]

water line rear side

• 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
  Water hose [inverter (rear) inlet] 2	Li-ion battery side	Nissan Ariya Vehicle left
  	Water hose [inverter (rear) inlet] 1 side	Nissan Ariya Vehicle left
  Water hose [inverter (rear) inlet] 1	Rear traction motor inverter side	Nissan Ariya Vehicle upper
  	-	-	-
  Water hose (oil cooler outlet) 1	Rear traction motor side	Nissan Ariya Vehicle upper
  	-	-	-
  Water hose (oil cooler outlet) 2	Li-ion battery side	Nissan Ariya Vehicle right
  	Water hose (oil cooler outlet) 1 side	Nissan Ariya Vehicle right
  Water hose [inverter (rear) inlet - oil cooler]	Rear traction motor inverter side	Nissan Ariya Vehicle upper
  	Rear traction motor side	Nissan Ariya Vehicle upper

• 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.

  

  Dimension “A”

  : (+1) - (-1) mm [(+0.04) - (-0.04) in]

Inspection

INSPECTION AFTER INSTALLATION

• Confirm that the reservoir tank cap is tightened.

• With a suitable tool, check that there is no leaks of coolant. Refer to Inspection.

• Start the electric pump, and check the joints for coolant leaks.