Nissan Armada 2025-2026 Service and Repair Manual: Draining
WARNING:
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.
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 ...
Refilling
WARNING:
REFILLING (FOR COOLANT REFILL TOOL)
WARNING:
CAUTION:
Check the tightening condition of hose clamp, drain plug, and others.
Do not start engine when reservoir tank does not contain engine coo ...
Other materials:
Determining Panel Damage
CAUTION:
This repair method should not be used on rails and reinforcements.
Panel damage must be examined carefully to select the most suitable repair method.
(A) In the figure is the plastic deformed area and the surrounding portions are elastic deformed areas.
Correction of (A) will automatically ...
Service
Disconnect battery negative terminal in advance.
Disconnect air bag system line in advance.
Never tamper with or force air bag lid open, as this may adversely affect air bag performance.
Be careful not to scratch pad and other parts.
When removing parts, use remover tool that is made of plastic.
Kee ...
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the condition and the environment when the incident/malfunction occurs).Check operation condition of the function that is malfunctioning.
>>
GO TO 2.
CHECK DTC
Check DTC. ...
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