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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 357 (Engine Controls And Fuel - Hybrid (LZ1) - Repair Instructions) >> Repair Instructions >> Ignition Coil Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2011 GMC Yukon, 2011 Chevrolet Tahoe, and 2011 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Ignition Coil And Bracket
    GM1707124Courtesy of GENERAL MOTORS CORP.
  1. Position the ignition coil to the ignition coil bracket.
  2. CAUTION:

    Refer to Fastener Caution .

  3. Install the ignition coil bolts.

    Tighten 

    Tighten the bolts to 10 N.m (89 lb in).

  4. Install the spark plug wire to the ignition coil.
  5. Inspect the spark plug wire for proper installation:
    • Push sideways on each boot in order the inspect the seating.
    • Reinstall any loose boot.
  6. Fig 2: Ignition Coil Wiring Harness Electrical Connector
    GM1707122Courtesy of GENERAL MOTORS CORP.
  7. Connect the ignition coil wiring harness electrical connector (1) to the ignition coil.
  8. If replacing one of the rear 2 ignitions coils on the right side perform steps 7 through 16, otherwise proceed to step 17.
  9. Fig 3: Engine Bracket, Nut And Bolts
    GM1965810Courtesy of GENERAL MOTORS CORP.
  10. Install the engine bracket (3) to the ignition coil bracket stud and install nut (1).

    Tighten 

    Tighten the nut to 9 N.m (80 lb in).

  11. Raise the vehicle half way.
  12. Working through the wheel opening, install the engine bracket bolts (2).

    Tighten 

    Tighten the bolts to 50 N.m (37 lb ft).

  13. Fig 4: 3-Phase Cable Clip Nut And Engine Bracket
    GM1965809Courtesy of GENERAL MOTORS CORP.
  14. Install the right wheelhouse liner. Refer to Front Wheelhouse Liner Replacement - Right Side .
  15. Position the generator control module 3 phase cables to the bracket channel.
  16. Install the generator control module 3 phase cable clip to the tab (3) on the engine bracket (2).
  17. Install the generator control module 3 phase cable clip nut (1).

    Tighten 

    Tighten the nut to 9 N.m (80 lb in).

  18. Fig 5: Drive Motor Generator Power Inverter Module Cover, Bolt And Electrical Connector
    GM1966180Courtesy of GENERAL MOTORS CORP.
  19. Install the drive motor generator power inverter module cover (2).
  20. Tighten the drive motor generator power inverter module cover bolt (1).

    Tighten 

    Tighten the bolt to 1.5 N.m (13 lb in).

  21. Connect the engine wiring harness electrical connector (3) to the drive motor generator power inverter module cover.
  22. Install the intake manifold sight shield, as required. Refer to Upper Intake Manifold Sight Shield Replacement .
  23. Perform the service reconnect. Refer to High Voltage Enabling .