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How would you remove a spark plug on a Ford?

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Quick Answer

Removing a spark plug on a Ford depends on the model of the vehicle, and whether the plug is damaged or not. According to F150Hub.com, changing the spark plugs on a Ford vehicle is not that easy to do. It is a procedure requiring a variety of tools and a careful and deliberate mindset. Differing Ford models may require a variety of wrench extensions and sockets.

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Full Answer

Differing Ford models may require a variety of wrench extensions and sockets. Disconnect the negative battery cable, remove the coil-on-plug assemblies, and use compressed air to remove any debris from the valve cover and spark plugs. With a spark plug wrench, slowly loosen the spark plugs with only 1/8 to 1/4 of a turn at a time. If the plugs are not moving, do not attempt to force them out with a power tool as this might result in the plugs breaking off, according to Underhoodservice.com.

If the plugs are stuck, apply a product such as Motorcraft Carburetor tune-up cleaner to the plug wells and let it soak down into the plug for 15 minutes. This loosens any carbon deposits from the plug. After the 15 minute period, carefully begin loosening the spark plugs by 1/8 to 1/4 of a turn until the plug comes out from the well.

The Ford Motor Company has had problems in the past with spark plugs breaking off during the removal process. This affected many of their top selling vehicles such as the Ford F-150, according to WSBTV.com.

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