Ignition Coil: Service and Repair

Ignition Coil

Removal

1. Disconnect the battery ground cable (14301).

2. Disconnect the ignition coil electrical connections.

1.CAUTION: Spark plug wires must be connected to the proper ignition coil terminal. Mark spark plug wire locations before removing them.

CAUTION: It is important to twist the spark plug wire boots while pulling upward to avoid possible damage to the spark plug wire.

Squeeze the locking tabs and twist while pulling upward to disconnect the six spark plug wires (12286).

2. Disconnect the ignition coil electrical connector.






3. Remove the bolts and remove the ignition coil (12029).






Installation

NOTE: Apply Silicone Brake Caliper Grease and Dielectric Compound D7AZ-19A33 1- A or equivalent meeting Ford specification ESE-MiC 171-A to the inside of the spark plug wire coil boots.

NOTE: Be sure to reinstall the radio ignition interference capacitor under the correct ignition coil mounting bolt.

1. Follow the removal procedure in reverse order.






VIN X






VIN E










FORD MOTOR COMPANY HAS TWO COIL PACK / SPARK PLUG CABLE CONFIGURATIONS FOR THE 4.0L VIN E and X. BOTH IMAGES ARE SUPPLIED FOR EXAMPLE. MARK SPARK PLUG WIRE LOCATIONS AT COIL PACK BEFORE REMOVING THEM.