Solstice 2006-2008, Sky 2007-2008

Ignition Coil Module

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Removal & Installation



2.4L (LE5) & 2.0L (LNF) Engines
  1. Remove the intake manifold cover.
  2.  
  3. Disconnect the ignition coil electrical connectors.
  4.  
  5. Remove the ignition coil bolts.
  6.  
  7. Remove the ignition coils.
  8.  

To install:

  1. Apply dielectric compound to the spark plug boots and make sure no corrosion is present.
  2.  
  3. Install the ignition coils.
  4.  
  5. Install the ignition coil bolts and tighten to 89 inch. lbs. (10 Nm).
  6.  
  7. Connect the ignition coil electrical connectors.
  8.  
  9. Install the intake manifold cover.
  10.  

Testing



  1. Ignition OFF, disconnect the ignition coil/module harness connector at the affected ignition coil/modules.
  2.  
  3. Ignition OFF for 90 seconds, test for less than 5 ohms of resistance between the ground circuit terminal no. no. 1or A and ground.
    1. If greater than the specified value, test the ground circuit for an open/high resistance.
    2.  

  4.  
  5. Ignition OFF for 90 seconds, test for less than 5 ohms of resistance between the low reference circuit terminal no. 2 or B and ground.
    1. If greater than the specified value, test the low reference circuit for an open/high resistance. If the circuit tests normal, replace the Engine Control Module (ECM).
      NOTE
      If the ignition fuse is open, it will be necessary to test the spliced ignition circuits and the components for a short to ground.

    2.  

  6.  
  7. Ignition ON, verify that a test lamp illuminates between the ignition circuit terminal no. 4 or D and ground.
    1. If the test lamp does not illuminate, test the ignition circuit for a short to ground or an open/high resistance.
    2.  

  8.  
  9. Exchange the affected ignition coil/module with the ignition coil/module of a good cylinder.
  10.  
  11. Start the engine, observe the scan tool Misfire Current Cylinder parameters.
    1. If the misfire transfers with the suspect ignition coil/module, replace as needed.

      Click image to see an enlarged view

      Fig. Ignition coil electrical connector

    2.  

  12.  

 
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