LaCrosse V6-3.8L (2009)
Coil Service
1. Install the ignition coils (2) to the ICM (3).
Caution: Refer to Fastener Caution (See: Service Precautions/Vehicle Damage Warnings/Fastener Caution).
2. Install the ignition coil screws (1).
Tighten the screws to 4.5 Nm (40 lb in).
3. Install the ICM (1) to the bracket.
4. Install the ICM nuts (2).
Tighten the nuts to 10 Nm (89 lb in).
5. Connect the spark plug wires to the ignition coils.
6. Install the 14-way electrical connector to the ICM.
Tighten the screw to 2.1 Nm (19 lb in).
7. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (L26) (See: Starting and
Charging/Battery/Battery Cable/Service and Repair)Battery Negative Cable Disconnection and Connection (LS4) (See: Starting and
Charging/Battery/Battery Cable/Service and Repair).