Spark Plug: Service and Repair
Special Tools Recommended
REMOVAL
1. Remove the air cleaner assembly.
2. Remove the engine cover.
3. Use the Spark Plug Wire Remover to pull the spark plug wire off the spark plug with a twisting, pulling motion.
4. Remove the spark plug.
NOTE: If an original spark plug is reused, make sure it is installed in the same cylinder from which it was removed. Replacement spark plugs can be used in any cylinder.
5. Inspect the spark plug.
INSTALLATION
1. Check and, if necessary, adjust the spark plug gap.
2. Apply Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A or equivalent meeting Ford specification ESE-M1C171-A inside of the spark plug wire boots.
3. Install the spark plug.
NOTE: If an original spark plug is reused, make sure it is installed in the same cylinder from which it was removed. Replacement spark plugs can be used in any cylinder.
4. Install the air cleaner assembly.
5. Install the engine cover.