half hour to re-seat the rings. Then, shut down the engine and loosen
each spark plug about a half turn. Then go back and re-tighten each
spark plug, start the engine and let it run for a couple of minutes. Shut
down the engine and pull the plug wires.
The improper method of removing spark plug wires is shown.
Yanking on the middle of a spark plug wire will internally damage
the conductor, which is usually a carbon-impregnated filament.
The proper method of removing a spark plug wire is to remove it at
the boot. There are special tools available to remove the wire at the
spark plug.