Aveo 2004-2005

Spark Plug Wires

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Inspection



  1. Inspect for the following conditions:

    Correct routing of the spark plug wires. Incorrect routing may cause cross-firing.
     
    Any signs of cracks or splits in the wires.
     

  2.  
  3. Inspect each boot for the following conditions:

    Tearing
     
    Piercing
     
    Arcing
     
    Carbon tracking
     
    Corroded terminal
     

  4.  
  5. If corrosion, carbon tracking, or arcing is indicated on a spark plug wire boot or on a terminal, replace the wire and the component connected to the wire.
  6.  

Removal & Installation



  1. Turn OFF the ignition.
  2.  
  3. Remove the engine cover.
  4.  
  5. Disconnect the spark plug wire at the spark plug by twisting each plug boot 1 / 2 turn and pulling by the boot only.
  6.  
  7. Disconnect the spark plug cable from the coil using the same method.
  8.  

To install:

  1. Apply new dielectric grease to the inside of each boot.
  2.  
  3. Install the spark plug wire on the coil.
  4.  
  5. Install the spark plug wire at the spark plug.
  6.  
  7. Ensure the boots have been properly seated on the spark plug and coil.
    WARNING
    Failure to properly seat the terminal onto the spark plug will lead to wire core erosion and result in an engine misfire or crossfire condition, and possible internal damage to the engine.


    NOTE
    Wire routing must be kept intact during service and followed exactly when wires have been disconnected or when replacement of the wires is necessary.


    WARNING
    Failure to route the wires correctly can lead to radio interference and crossfire of the plugs, or shorting of the leads to the ground.

  8.  
  9. Install the engine cover and tighten the 4 bolts to 31 inch lbs. (3 Nm).
  10.  

 
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