GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 43301 Coil Pack Remover

Removal Procedure


    Object Number: 345354  Size: SH
  1. Remove the wiring harness channel bolts (1) from the intake plenum.
  2. Remove the vacuum supply fitting (2) from the intake plenum.
  3. Remove the A/C bracket.
  4. Remove the oil filter extension.
  5. Disconnect the CMP sensor electrical connector.
  6. Remove the plastic vacuum lines from the wiring harness channel.
  7. Position the wiring channel out of the way.
  8. Disconnect the coil pack electrical connector.
  9. Remove the coil pack retainer bolts.

  10. Object Number: 411471  Size: SH

    Important: DO NOT overtighten the J 43301 .

  11. Thread the J 43301 into the coil pack.
  12. With even pressure, lift and remove the coil pack.

  13. Object Number: 411468  Size: SH
  14. Remove the coil pack.

Installation Procedure

  1. Inspect the coil pack seals and spark plug boots for damage or wear.
  2. Replace as necessary.


    Object Number: 444014  Size: SH
  3. Align the spark plug boots with the spark plugs.
  4. Carefully press and seat the coil pack in place.
  5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  6. Install the coil pack retainer bolts.
  7. Tighten
    Tighten the coil pack retainer bolts to 8 N·m (71 lb in).

  8. Connect the coil pack electrical connector.

  9. Object Number: 345354  Size: SH
  10. Reposition the wiring channel.
  11. Install the plastic vacuum lines in the wiring harness channel.
  12. Connect the CMP sensor electrical connector.
  13. Install the A/C bracket.
  14. Install the vacuum supply fitting (2) to the intake manifold.
  15. Install the wiring harness channel bolts (1).
  16. Tighten
    Tighten the bolts to 8 N·m (71 lb in).