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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 229 (Engine Control System & Fuel - Hybrid (Hp2) 6.0L (LFA) - Introduction (2 Of 2)) >> Repair Instructions >> Ignition Coil Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2008 GMC Yukon and 2008 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Ignition Coil & Bracket
    GM1707124Courtesy of GENERAL MOTORS CORP.
  1. Position the ignition coil to the ignition coil bracket.
    2. NOTE: Refer to Fastener Notice .
  2. Install the ignition coil bolts.

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

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

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

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

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

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

    14. Fig 5: View Of Drive Motor Generator Power Inverter Module Cover, Bolt & Electrical Connector
    GM1966180Courtesy of GENERAL MOTORS CORP.
  14. Install the drive motor generator power inverter module cover (2).
  15. Tighten the drive motor generator power inverter module cover bolt (1).

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

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