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Nissan Armada 2025-2026 Service and Repair Manual: Spark Plug

Exploded View

Bank 1 side

Ignition coil Spark plug Rocker cover
Rocker cover gasket Blow-by hose 1 (bank 1) Clamp
Blow-by hose 2 (bank 1) Intake camshaft position sensor Exhaust camshaft position sensor
Crankcase pressure sensor        
Comply with the installation procedure when tightening. Refer to Removal and Installation. Camshaft bracket side To rocker cover (bank 2).
To intake manifold. Refer to Exploded View.        
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
: Always replace after every disassembly.
: Should be lubricated with oil.
: Sealing point
: Indicates that the parts is connected at points with same symbols in actual vehicle.

Bank 2 side

Oil filler cap Oil filler tube O-ring
Rocker cover gasket Rocker cover Spark plug
Ignition coil Exhaust camshaft position sensor Intake camshaft position sensor
Clamp Blow-by hose (bank 2)    
           
Comply with the installation procedure when tightening. Refer to Removal and Installation. Camshaft bracket side To air duct. Refer to Exploded View.
To rocker cover (bank 1).        
: N·m (kg-m, ft-lb)
: N·m (kg-m, in-lb)
: Always replace after every disassembly.
: Should be lubricated with oil.
: Sealing point
: Indicates that the parts is connected at points with same symbols in actual vehicle.

Removal & Installation

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.

REMOVAL

Remove engine cover. Refer to Removal and Installation.

Remove ignition coil. Refer to Removal and Installation.

Remove spark plug with a spark plug wrench (commercial service tool).

: 14 mm (0.55 in)

INSTALLATION

Install in the reverse order of removal.

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.

INSPECTION AFTER REMOVAL

Use the standard type spark plug for normal condition.

Spark plug (Standard type) : Refer to Spark Plug.

CAUTION:

  • Never drop or shock spark plug.

  • Never use a wire brush for cleaning.

  • If plug tip is covered with carbon, use spark plug cleaner to clean.

    Cleaner air pressure
    : Less than 588 kPa (6 kg/cm2, 85 psi)
    Cleaning time
    : Less than 20 seconds
  • Check and adjustment of plug gap is not required between change intervals.

    Other materials

    Precautions
    Precautions for Removing Battery Terminal When disconnecting the 12V battery terminal, turn off the ACC power before disconnecting the 12V battery terminal, observing “How to disconnect 12V battery terminal� described below. NOTE: Some ECUs operate for a certain fixed time even after ignit ...

    Diagnosis and Repair Work Flow
    Work Flow OVERALL SEQUENCEDETAILED FLOWGET 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 ...

    Front Tweeter
    Removal & Installation REMOVALRemove the front door sash inner cover. Refer to Removal and Installation. Remove the front tweeter mounting screws , and then remove front tweeter . INSTALLATIONInstallation is the reverse order of removal. ...