Isuzu Ascender 2003-05

Removal & Installation

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Ignition Coil Module



4.2L Engine
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the air cleaner outlet resonator.

    Click image to see an enlarged view

    Fig. Air cleaner outlet resonator

  4.  
  5. Disconnect the ignition coil connectors from the ignition coils.
  6.  
  7. Remove the retaining bolts from the ignition coils.

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    Fig. Ignition coil connectors and retaining bolts

  8.  
  9. Remove the ignition coils from the engine.
  10.  

To install:


NOTE
Make sure that the ignition coil seals are properly seated to the valve cover.

  1. Install the ignition coils.
  2.  
  3. Install the ignition coil retaining bolts.
  4.  
  5. Tighten the ignition coil retaining bolts to 89 inch. lbs. (10 Nm).
  6.  
  7. Replace the ignition coil connectors.
  8.  
  9. Install the air cleaner outlet resonator.
  10.  
  11. Connect the negative battery cable.
  12.  

5.3L Engine
  1. Disconnect the negative battery cable.
  2.  
  3. Remove the spark plug wire from the ignition coil.
  4.  
  5. Disconnect the ignition coil electrical connector.
  6.  
  7. Remove the ignition coil bolts.
  8.  
  9. Remove the ignition coil.
  10.  

To install:

  1. Install the ignition coil.
  2.  
  3. Install the ignition coil retaining bolts.
  4.  
  5. Tighten the retaining bolts to 71 inch. lbs. (8 Nm).
  6.  
  7. Connect the ignition coil electrical connector.
  8.  
  9. Connect the spark plug wire to the ignition coil.
  10.  
  11. Connect the negative battery cable.
  12.  

 
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