Nissan 100NX N14 silhouetteN14

Replacing Fuel Filter / Checking and Replacing Spark Plugs

MA-47prose procedure

Checking and Replacing Spark Plugs

  1. 1
    Remove air cleaner.
  2. 2
    Disconnect ignition wires from spark plugs by pulling on boots. Do not pull on wires.
    Comparison illustration showing O.K. and N.G. ways to disconnect ignition wires from spark plugs by pulling on the boots rather than the wires.
    SMA037A
  3. 3
    Remove spark plugs with spark plug wrench.
    Engine illustration showing removal of spark plugs with a spark plug wrench.
    SMA038A
  4. 4
    Check new spark plug gap. Gap: 0.8 - 0.9 mm (0.031 - 0.035 in)
    Illustration of checking the spark plug gap with a feeler gauge, with the side electrode and gap labeled.
    SMA476
  5. 5
    Install spark plugs. Reconnect ignition wires according to Nos. indicated on them. Spark plug tightening torque: 20 - 29 N-m (2.0 - 3.0 kg-m, 14 - 22 ft-lb)

Spark plug

Standard
Spark plugBP5ES
Hot
Spark plugBP4ES
Cold
Spark plugBP6ES
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