Spark Plugs: Removal

WARNING: This page is about a different car, the 2013 Ford F-350 Super Duty and 2013 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: The spark plug procedure must be followed exactly or damage to the cylinder head and spark plug will result.

NOTE: Do not remove the spark plugs when the engine is hot or cold soaked. Spark plug thread or cylinder head damage can occur. Make sure the engine is warm (hand touch after cooling down) prior to spark plug removal.

Upper spark plugs

Remove the ignition coil-on-plugs. For additional information, refer to IGNITION COIL-ON-PLUG .
Lower spark plugs
Disconnect the ignition wire from the lower spark plugs.
All spark plugs
NOTE: Only use hand tools when removing or installing the spark plugs or damage can occur to the cylinder head or spark plug.

NOTE: Use compressed air to remove any foreign material from the spark plug well before removing the spark plugs.

Remove the spark plugs.
Inspect the spark plugs. For additional information, refer to ENGINE SYSTEM - GENERAL INFORMATION .