Ignition Coil: Service and Repair

IGNITION COIL(S) REPLACEMENT

REMOVAL PROCEDURE




1. If equipped with regular production option (RPO) HP2, disconnect the energy storage box (ESB).
2. Remove the spark plug wire from the ignition coil.




3. Disconnect the ignition coil electrical connector.




4. If equipped with regular production option (RPO) HP2, remove the auxiliary heater water pump bracket bolts.
5. Remove the auxiliary heater water pump from the studs, and reposition out of the way.




6. If equipped with RPO HP2, remove the starter/generator control module (SGCM) cover bolts, and cover.
7. Remove the 3-phase cable nuts to the SGCM.
8. Remove the 3-phase cable from the SGCM.




9. If equipped with RPO HP2, remove the 3-phase cable bracket nuts.
10. Remove the 3-phase cable bracket from the studs, and reposition the cable and bracket out of the way.




11. Remove the ignition coil bolts.




12. Remove the ignition coil.

INSTALLATION PROCEDURE




1. Install the ignition coil.




2. Install the ignition coil bolts.

NOTE: Refer to Fastener Notice in Service Precautions.

Tighten the bolts to 8 N.m (71 lb in).




3. If equipped with RPO HP2, position the cable (w/bracket) and install the 3-phase cable bracket to the studs.
4. Install the 3-phase cable bracket nuts.

Tighten the nuts to 15 N.m (11 lb ft).




5. If equipped with RPO HP2, install the 3-phase cable to the SGCM.
6. Install the 3-phase cable nuts to the SGCM.

Tighten the nuts to 9 N.m (80 lb in).

7. Install the SGCM cover and bolts.

Tighten the bolts to 9 N.m (80 lb in).




8. If equipped with RPO HP2, position the auxiliary heater water pump and install it onto the studs.
9. Install the auxiliary heater water pump bracket bolts.

Tighten the bolts to 15 N.m (11 lb ft).




10. Connect the ignition coil electrical connector.




11. Install the spark plug wire to the ignition coil.
12. If equipped with RPO HP2, connect the ESB.