Nissan Armada 2025-2026 Service and Repair Manual: Removal and Installation

WARNING:

• Jacking up or lifting up the vehicle may the vehicle height to go down which cause a personal injury and/or damage to the air suspension component parts. Refer to Precaution for when Jacking and Lifting Up the Vehicle with Electronic Air Suspension System (With electronic air suspension).
• When checking under the vehicle or inside wheel house, always turn OFF the electronic air suspension function with the vehicle unladen and normal height, since the suspension may accidentally move and it can lead to personal injury. Refer to Precaution for Electronic Air Suspension System (With electronic air suspension).

REMOVAL

Without 12V Sub Battery

Drain engine coolant from cooling system. Refer to ENGINE COOLANT : Draining.

Remove front heater outlet pipe assembly. Refer to Removal and Installation.

Remove front road wheel tire RH. Refer to ROAD WHEEL TIRE : Removal & Installation.

Remove fender protector RH. Refer to Removal and Installation.

Remove front heater pipe assembly mounting nut .

Loosen clamps , and then disconnect front heater pipe assembly from rear cooler pipe assembly.

Loosen clamp , and then disconnect water hose 2 from front heater pipe assembly.

Loosen clamps , and then disconnect front heater pipe assembly from front heater core.

Remove front heater pipe assembly from vehicle.

With 12V Sub Battery

Drain engine coolant from cooling system. Refer to ENGINE COOLANT : Draining.

Remove front heater outlet pipe assembly. Refer to Removal and Installation.

Remove mounting nuts , and then move 12V sub battery harness 1 to secure work space.

Remove front road wheel tire RH. Refer to ROAD WHEEL TIRE : Removal & Installation.

Remove fender protector RH. Refer to Removal and Installation.

Remove mounting nuts , and then remove 12V sub battery harness 1 bracket from body.

: Vehicle front

Remove 12V sub battery harness 1 mounting nut .

: Vehicle front

Disengage fixing pawl, and then move 12V sub battery harness 1 bracket and 12V sub battery harness 1 to secure work space.

	: Pawl
	: Vehicle front

Remove front heater pipe assembly mounting nut .

Loosen clamps , and then disconnect front heater pipe assembly from rear cooler pipe assembly.

Loosen clamp , and then disconnect water hose 2 from front heater pipe assembly.

Loosen clamps , and then disconnect front heater pipe assembly from front heater core.

Remove front heater pipe assembly from vehicle.

INSTALLATION

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

CAUTION:

NOTE:

When filling radiator with engine coolant. Refer to ENGINE COOLANT : Refilling.