Crossfire, 2004-2005

Ignition Coil

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The ignition coils are mounted on the cylinder head covers. They are connected to the spark plugs via short spark plug cables. The coils are a dual coil type construction utilizing two separate coils in one coil pack.

Removal & Installation



Except SRT
  1. Before servicing the vehicle, refer to the Precautions section.
  2.  
  3. Disconnect battery negative cable from battery and properly isolate to prevent accidental reconnection.
  4.  
  5. Remove the air cleaner inlet tubes.
  6.  
  7. Remove the engine cover. Grasp both corners of the engine cover and pull up firmly.
  8.  
  9. Disconnect the ignition coil wire harness connector (1).
  10.  
  11. Disconnect the spark plug cables (4) from the spark plugs.
  12.  
  13. Remove the ignition coil retaining bolt (2).
  14.  
  15. Remove the ignition coil (3) from the cylinder head cover.

    Click image to see an enlarged view

    Fig. Ignition coil (3), mounting bolts (2), electrical connector (1) and spark plug cables (4)-non-supercharged models

  16.  

To install:

  1. Position the ignition coil (3) on the cylinder head cover.
  2.  
  3. Install the ignition coil retaining bolt (2) and tighten to 71 inch lbs. (8 Nm).
  4.  
  5. Connect the ignition coil wire harness connector (1) to the coil pack.
    NOTE
    When installing the spark plug cables, route the cables correctly. Failure to route the cables properly can cause improper phase shift in the dual spark plug system.

  6.  
  7. Install the spark plug cables to the appropriate coil tower (A & B) (coil side).
  8.  
  9. Install the spark plug cables to the appropriate spark plug location (G & K) (plug side).
    1. Refer to the reference pad cast into the cylinder head cover to identify proper spark plug/ spark plug cable orientation.
    2.  
    3. When installing spark plug cables, insure a positive connection is made. A snap should be felt when a good connection is made between the spark plug cable and the spark plug.
    4.  

  10.  
  11. Install the engine cover. Align the engine cover retaining clips to the rubber mounts and push down firmly to connect engine cover to rubber mounts.
    1. To ease the installation of the engine cover, apply a small amount of lubricant to the engine cover rubber mounts.
    2.  

  12.  
  13. Connect the negative battery cable.
  14.  

Testing



Problems with ignition coils should be revealed by diagnostic scan of PCM trouble codes.

 
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