Nissan Armada 2025-2026 Service and Repair Manual: Multi-Way Control Valve

Exploded View

	Multi-way control valve		O-ring		Water outlet
	Engine coolant temperature sensor 1		Gasket
	To oil cooler hose 1. Refer to Exploded View.		To electric water pump. Refer to Exploded View.		To radiator. Refer to RADIATOR : Exploded View.
	To electric throttle control actuator. Refer to Exploded View.
	: N·m (kg-m, ft-lb)
	: Always replace after every disassembly.

Removal & Installation

WARNING:

Jacking up or lift 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.

REMOVAL

Remove engine cover. Refer to Removal and Installation.

Remove front under cover using a power tool. Refer to Removal and Installation.

Drain engine coolant. Refer to ENGINE COOLANT : Draining.

CAUTION:

Perform this step when the engine is cold.

Remove air inlet tube 2. Refer to Removal & Installation.

Remove inlet air duct 2. Refer to Removal and Installation.

Remove electric throttle control actuator. Refer to Removal and Installation.

Remove radiator hose (upper) from multi-way control valve side.

Remove each remaining hose connected to the multi-way control valve.

Remove multi-way control valve.

INSTALLATION

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

CAUTION:

• Do not reuse O-ring.

• Care should be taken not to apply scratches, dents and foreign bodies to the respective surfaces for mounting gasket and engine coolant temperature sensor 1.

• Be careful to install the O-ring in the correct position.

• Make sure the O-ring is free from separation and contamination with oil.

• O-ring should be installed to engine coolant temperature sensor 1 without being twisted. After that, apply Genuine NISSAN Long LifeAntifreeze/Coolant (blue) to outer peripheral surface of O-ring and install engine coolant temperature sensor 1 to multi-way controlvalve.

Inspection

INSPECTION AFTER INSTALLATION

• Check that the reservoir tank cap is tightened.

• Check for leakage of engine coolant using the radiator cap tester adapter (commercial service tool) and the radiator cap tester (commercial service tool). Refer to ENGINE COOLANT : Inspection.

• Start and warm up the engine. Visually check that there is no leakage of engine coolant.