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Removal Procedure

WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
    2. Fig 1: Disconnecting/Connecting Ignition Coil Electrical Connectors
    GM725541Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the ignition coil connectors (1) from the ignition coils.
  3. Remove the retaining bolts (2) from the ignition coils.
    4. Fig 2: Removing/Installing Ignition Coils
    GM725545Courtesy of GENERAL MOTORS CORP.
  4. Remove the ignition coils (1) from the engine.
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