9-7X V8-6.0L (2008)
9. Fill the bottom of the ignition coil bolt hole vent with Loctite(R) 565 PST Thread Sealant* as indicated in the illustration, and apply it to the
ignition coil bolt threads also.
10. Replace ONLY the affected ignition coil(s) with new ignition coil(s) as needed. Refer to Ignition Coil Replacement in SI.
11. Connect the engine wiring harness electrical connectors to the ignition coil(s). Refer to Ignition Coil Replacement in SI.
12. Replace the air cleaner resonator and outlet duct. Refer to Air Cleaner Resonator and Outlet Duct Replacement in SI.
13. Clear the DTCs with a scan tool.
Hood Grille Modification for HUMMER H3 Vehicles Only
Important
Use the Investigate Vehicle History link in Global Connect, to determine if Recall #10088A: Product Safety - Hood Louver Separation has been
performed on the vehicle. If Recall #10088A has been performed on the vehicle, DO NOT perform the following hood grille modification.
1. Remove the hood air grille. Refer to Hood Air Grille Replacement (H3) or Hood Air Grille Replacement (H3T) in SI.
2. Secure 3M(TM) Strip Calk(R), P/N 051135* around the outside perimeter of the integral retention clip (1) opening in the vehicle hood (all 4
sides of the rectangular slot).
3. Repeat this procedure for the remaining slots.
4. Install the hood air grille. Verify that it fits tightly against the hood. Refer to Hood Air Grille Replacement (H3) or Hood Air Grille Replacement
(H3T) in SI.
5. Advise the customer to use care when washing the hood on the HUMMER vehicles. Extreme water pressure should not be directly applied to the
edges of the hood air grille.
*We believe this source and their products to be reliable. There may be additional manufacturers of such products/materials. General Motors does not
endorse, indicate any preference for, or assume any responsibility for the products or material from this firm or for any such items that may be available
