Ignition Coil: Service and Repair

Ignition Coil Replacement

Removal Procedure




1. Remove the engine cover. Refer to Engine Cover Replacement (Service and Repair).
2. Disconnect the chassis fuel feed pipe quick connect fitting from the engine fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service).

Note: Note the routing of the spark plug wires prior to disconnecting the wires from the ignition coil.

3. Disconnect the spark plug wires (1) from the ignition coil.
4. Remove the spark plug wire retainer (2) from the ignition coil bracket.
5. Reposition the spark plug wires out of the way.




6. Disconnect engine wiring harness electrical connector (1) from the ignition coil.




7. Remove the ignition coil bolts (1) and ignition coil (2) from the bracket.




8. If required, remove the lower ignition coil bracket bolt (3).
9. Remove the engine wiring harness ground terminal from the ignition coil bracket.
10. Remove the upper ignition coil bracket bolts (1) and bracket (2).

Installation Procedure





Caution: Refer to Fastener Caution (Fastener Caution).

1. If required, position the ignition coil bracket to the lower intake manifold and install the upper bolts and tighten to 12 Nm (106 lb in).
2. Position the engine wiring harness ground terminal to the ignition coil bracket.
3. Install the lower ignition coil bracket bolt (3) and tighten to 40 Nm (30 lb ft).




4. Place the ignition coil (2) on top of the bracket and install the bolts (1) and tighten to 12 Nm (106 lb in).




5. Connect engine wiring harness electrical connector (1) to the ignition coil.




6. Position the spark plug wires and install the spark plug wire retainer (2) to the ignition coil bracket.
7. Connect the spark plug wires (1) to the ignition coil as noted during removal.
8. Connect the chassis fuel feed pipe quick connect fitting to the engine fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service (Metal Collar Quick Connect Fitting Service).
9. Install the engine cover. Refer to Engine Cover Replacement (Service and Repair).