Nissan Armada 2025-2026 Service and Repair Manual: WATER PUMP : Removal & Installation
WARNING:
CAUTION:
When removing water pump assembly, be careful not to get engine coolant on drive belts.
Water pump cannot be disassembled and should be replaced as a unit.
After installing water pump, connect hose and clamp securely, then check for leakage using the radiator cap tester (commercial service tool) and the radiator cap tester adapter (commercial service tool).
REMOVAL
Remove front undercover using a power tool. Refer to Removal and Installation.
Drain engine coolant from drain plugs on radiator and cylinder block. Refer to following:
Radiator: Refer to ENGINE COOLANT : Draining.
Cylinder block: Refer to Setting.
CAUTION:
Perform this step when engine is cold.
Never spill engine coolant on drive belt.
Remove air duct 1 and inlet air duct 2. Refer to Removal and Installation.
Remove drive belt. Refer to Removal & Installation.
Remove reservoir tank tube 
.
Remove water pump.
Engine coolant will leak from cylinder block, so have a receptacle ready under vehicle.
CAUTION:
Handle the water pump vane so that it does not contact any other parts.
Never disassemble water pump.
INSTALLATION
Install in the reverse order of removal.
WATER PUMP : Exploded View
Water pump Gasket : N·m (kg-m, ft-lb) : Always replace after every disassembly. ...
WATER PUMP : Inspection
INSPECTION BEFORE REMOVAL
NOTE:
In case of coolant residue is found on the water pump assembly, check the water pump leakage as following steps.
Wipe off the engine coolant residue on water pump assem ...
Other materials:
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).Wh ...
Symptom Table
The diagnostics item numbers show the sequence for inspection. Inspect in order from item 1.
Perform diagnoses of symptom table 1 before symptom table 2.
SYMPTOM TABLE 1
Diagnostic item Reference Symptom Poor performance Driving performance Strange noise Shift point is high in “D” positi ...
Front, side and rear unique parts (NISMO models)
The Nissan Armada NISMO models are equipped with distinctive aerodynamic and
styling components that enhance both performance and visual appeal at the front,
sides, and rear of the vehicle.
Front spoiler
Side sill extensions
Rear bumper with the aerodynamic diffuser
CAUTION
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