Spark Plug: Removal

Fig 1: Disconnecting/Connecting High Tension Cable From Spark Plug Or From Ignition Coil

Courtesy of DAIMLERCHRYSLER CORP.

CAUTION: When disconnecting a high tension cable from a spark plug or from the ignition coil, twist the rubber boot slightly (1/2 turn) to break it loose. Grasp the boot (not the cable) and pull it off with a steady, even force.

Twist and pull the metal clad spark plug cable boots (2) to remove them from the spark plugs.

Fig 2: Cylinder Head Spark Plug Recesses
Courtesy of DAIMLERCHRYSLER CORP.

NOTE: Avoid allowing debris to fall into the spark plug holes during replacement.
Clean the cylinder head spark plug recesses (2) using low pressure compressed air.
CAUTION: Do not use power tools to replace spark plugs. Damage to the cylinder head can result.
Use a rubber insulated spark plug socket and a hand ratchet to remove the spark plugs (1).
Remove the spark plugs (1) from the engine.