Nissan Armada 2025-2026 Service and Repair Manual: ENGINE COOLANT : Draining

Nissan Armada 2025-2026 Service and Repair Manual / Engine / Engine Cooling System — Periodic Maintenance / Engine Coolant / ENGINE COOLANT : Draining

WARNING:

To avoid being scalded, never change engine coolant when the engine is hot.

Wrap a thick cloth around reservoir tank cap and carefully remove reservoir tank cap.

First, turn reservoir tank cap a quarter of a turn to release built up pressure. Then turn reservoir tank cap all the way.

Never spill engine coolant on drive belt.

Connect drain hose.

NOTE:

Use a general-purpose hose with the dimensions shown in the figure.

A	: φ 5.5 – 6.0 mm (0.217 - 0.236 in)
B	: 600 mm (23.62 in) or more

Open radiator drain cock at the bottom of radiator, and then remove radiator cap and reservoir tank cap.

	: Drain hose
	: Vehicle front

When draining all of engine coolant in the system, open water drain plugs on cylinder block. Refer to Setting.

Remove reservoir tank if necessary, and drain engine coolant and clean reservoir tank before installing.

Check drained engine coolant for contaminants such as rust, corrosion or discoloration.

If contaminated, flush the engine cooling system. Refer to ENGINE COOLANT : Flushing.

Disconnect drain hose.

ENGINE COOLANT : Inspection

LEVEL Check if the reservoir tank engine coolant level is within the “MIN” to “MAX” when the engine is cool. : MAX : MIN Adjust the engine coolant level if necessary. WARNING: Never remov ...

ENGINE COOLANT : Refilling

WARNING: REFILLING (FOR COOLANT REFILL TOOL) WARNING: If the multi-way control valve is not fully open, engine over heat risk may increase when driving caused by air remaining(LLC is not fully filled) ...

Other materials:

Symptom Table
Perform “Data Monitor” of CONSULT to check for any malfunctioning item. Check that the data monitor display switches in conjunction with the combination switch operation. If there is a switch whose display does not change, specify the applicable combination switch circuit (INPUT 1 - 6 and OUTPUT ...

Special Service Tools
Tool number (TechMate No.) Tool name Description ST25051001 (NI-25695-1) Oil pressure gauge Measuring oil pressure Maximum measuring range: 2,452 kPa (25 kg/cm2, 356 psi)ST25052000 (NI-25695-2) Hose Adapting oil pressure gauge to oil pan (upper) KV10115801 (NI-38956) Oil filter wrench Removing ...

NISSAN Advanced Air Bag System (front seats)
Crash zone sensor Supplemental front-impact air bag modules (NISSAN Advanced Air Bags) Occupant classification system control unit Occupant classification sensors (weight sensors) Front central seat-mounted side-impact supplemental air bag (if so equipped) Roof-mounted curtain side- ...

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