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Nissan Armada 2025-2026 Service and Repair Manual: Noise

Nissan Armada 2025-2026 Service and Repair Manual / Ventilation, Heater & Air Conditioner / Heater & Air Conditioning System / Noise

Symptom Table

Symptom Noise source Probable cause Corrective action
Unusual noise from A/C compressor when A/C is ON. Inside of A/C compressor Wear, breakage, or clogging of foreign material in inner parts. Check A/C compressor oil. Refer to Inspection.
Magnet clutch Contact of clutch disc with pulley. Replace A/C compressor. Refer to Removal and Installation.
A/C Compressor body Loosened A/C compressor mounting bolts. Check bolts for tightness. Refer to Exploded View.
Unusual noise from cooler piping. Cooler piping (pipe and flexible hose) Improper installation of clip and bracket. Check the installation condition of the cooler piping. Refer to Exploded View.
Unusual noise from expansion valve when A/C is ON. Expansion valve Shortage of refrigerant.

  • Check for leakage.

  • Collect all refrigerant, evacuate refrigerant cycle again, and then refill it with the specified amount of refrigerant.
Wear, breakage, or clogging of foreign material in inner parts.

Eliminate foreign material from expansion valve, or replace it.

  • Front: Removal and Installation
  • Rear: Removal and Installation
Unusual noise from belt. — Loosened belt. Check belt tension. Refer to Inspection.
Internal A/C compressor parts get locked. Replace A/C compressor. Refer to Removal and Installation.
    Other materials

    Around View Monitor Control Unit
    Removal and Installation REMOVALRemove front seat LH. Refer to Removal and Installation. Remove front kicking plate inner LH and rear kicking plate inner LH. Refer to Removal and Installation. Remove dash side finisher LH. Refer to Removal and Installation. Remove center pillar lower garnish LH. Ref ...

    Rear Propeller Shaft: 2f C-C
    Inspection 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. LOOSENESS OF CONNECT ...

    Front Differential Gear Oil: R180a
    Inspection 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. OIL LEAKAGEMake sure ...