GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 43094 Spark Plug Boot Puller


    Object Number: 235245  Size: SH
  1. Remove the ignition coil assembly bolts.
  2. Notice: Do not damage the ignition coil assembly perimeter seal.

  3. Lift the ignition coil assembly out of the camshaft cover valley.

  4. Object Number: 369842  Size: SH

    Notice: Use only the spark plug boot special removal tool to remove the spark plug boots. Prying or using regular pliers could damage the boots.

  5. Remove the spark plug boots using the J 43094 .

  6. Object Number: 576480  Size: SH
  7. Remove the spark plugs.
  8. Inspect the spark plugs to gain an understanding of the engines operating characteristics.

  9. Object Number: 326350  Size: SH
  10. Inspect the ignition coil assembly terminals for excessive pitting or damage. Replace if necessary.
  11. Inspect the spark plug boots for cuts, tears or visible damage. Replace if necessary.
  12. If all components are acceptable, press the spark plug boots back onto the coil assembly and store in a secure location.