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Nissan Armada 2025-2026 Service and Repair Manual: Noise, Vibration and Harshness (nvh) Troubleshooting

NVH Troubleshooting Chart

Use the chart below to find the cause of the symptom. The numbers indicate the order of the inspection. If necessary, repair or replace these parts.

SUSPECTED PARTS

(Possible cause)
Symptom Reference
Transfer fluid leakage Noise
TRANSFER FLUID (Level low)   1 Inspection
TRANSFER FLUID (Wrong) 4 2
TRANSFER FLUID (Level too high) 1  
LIQUID GASKET (Damaged) 2   Exploded View
OIL SEAL (Worn or damaged) 2  

Front oil seal: Exploded View

Rear oil seal: Exploded View

Input oil seal: Exploded View
GEAR (Worn or damaged)   3
BEARING (Worn or damaged)   3
TRANSFER CASE (Damaged) 3 3

NOTE:

When transfer inner parts are malfunction, replace transfer assembly.

    Other materials

    Automatic Back Door Close Switch
    Description Automatic back door open/close function does not operate using automatic back door close switch. Diagnosis Procedure CHECK AUTO OPEN/CLOSE FUNCTION Check auto open/close function using automatic back door switch. Is the inspection result normal? YES>> GO TO 2. NO>> Refer to ...

    Shipping Mode Cancel Operation
    Work Procedure SHIPPING MODE CANCEL OPERATION Ignition switch OFF. Push in (switch on) the extended storage fuse switch. Refer to How To Check. Ignition switch ON. Ignition switch OFF and wait at least 2 seconds. >> GO TO 2. SHIPPING MODE CANCEL CHECK Ignition switch ON. Check ...

    Side Radar Alignment
    Work Procedure Always perform the side radar alignment after performing the following work. After removing and installing or replacing the side radar. After removing and installing, replacing or repainting the rear bumper. Side radar alignment conditions are following; The vehicle speed ...