Mazda RX-8 2004-06

Ignition Coils

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Removal & Installation



  1. Remove the engine cover.

    Click image to see an enlarged view

    Fig. Remove the engine cover in the order shown

  2.  
  3. Remove the battery cover.
  4.  
  5. Disconnect the negative battery cable.
  6.  
  7. Remove the air cleaner duct.
  8.  
  9. Detach the ignition coil connector.
  10.  
  11. Tag and disconnect the spark plug wire(s) from the ignition coil(s).
  12.  
  13. Unfasten the retainer(s), then remove the ignition coil(s).

    Click image to see an enlarged view

    Fig. View of the ignition coil connector (1), spark plug wires (2) and ignition coil (3)

  14.  

To install:

  1. Install the ignition coil(s) and tighten the retainer(s) to 62-86 inch lbs. (6.9-9.8 Nm).
  2.  
  3. Connect the spark plug wires to the ignition coils as tagged during removal.
  4.  
  5. Attach the ignition coil connector.
  6.  
  7. Install the air cleaner duct.
  8.  
  9. Connect the negative battery cable.
  10.  
  11. Install the battery and engine covers.
  12.  

Testing



  1. Disconnect the ignition coil connector.
  2.  
  3. Measure the resistance between each terminal on the ignition coil connector and compare the results with the accompanying table.
  4.  
  5. If the measurement corresponds to the table, the ignition coil must be replaced.

    Click image to see an enlarged view

    Fig. Terminal identification for measuring the ignition coil resistance



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    Fig. Ignition coil resistance table

  6.  

 
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