LaCrosse 2006-2007

Ignition Coil Module

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Removal & Installation



3.8L Engine
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the 14-way electrical connector from the Ignition Control Module (ICM).
  4.  
  5. Disconnect the spark plug wires from the coil assemblies. Before removing the wires, note the position of the wires .
  6.  
  7. Remove the ICM nuts and remove the ICM from the bracket.
  8.  
  9. Remove the ignition coil screws.
  10.  
  11. Remove the ignition coils from the ICM.
  12.  

To install:

  1. Attach the ignition coils to the ICM and tighten to 40 inch lbs. (5 Nm).
  2.  
  3. Install the ICM to the bracket.
  4.  
  5. Install the ICM nuts and tighten to 89 inch lbs. (10 Nm).
  6.  
  7. Connect the spark plug wires to the ignition coils.
  8.  
  9. Install the 14-way electrical connector to the ICM.
  10.  
  11. Connect the negative battery cable.
  12.  

 
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