Operation CHARM: Car repair manuals for everyone.

Spark Plug: Service and Repair

Spark Plug Wire Remover:






Special Tools Desired

REMOVAL







1. Use Spark Plug Wire Remover to pull the ignition wires off the spark plugs.

NOTE:
- Use compressed air to remove any debris from the spark plug well before removing the spark plugs.
- If an original spark plug is reused, make sure it is placed in the same cylinder it was taken from. Replacement spark plugs can be used in any cylinder.







2. Remove the RH spark plugs.







3. Remove the LH spark plugs.







4. Inspect the spark plugs:


INSTALLATION

1. Apply Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A331-A or equivalent meeting Ford specification ESE-M1C171A to the inside of the spark plug wire boots.







2. Adjust the spark plug gap as required.

NOTE: If an original spark plug is reused, make sure it is placed in the same cylinder it was taken from. Replacement spark plugs can be used in any cylinder.







3. Install the LH spark plugs.







4. Install the RH spark plugs.
5. Connect the spark plug wires.