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Removal Procedure

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2004 GMC Yukon XL, 2004 GMC Yukon, 2004 Chevrolet Tahoe, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Spark Plug And Sparkplug Seat
    GM14824Courtesy of GENERAL MOTORS CORP.
  1. Remove the spark plug wire. Refer to Spark Plug Wire Replacement .
  2. Loosen the spark plug 1 or 2 turns.
  3. Brush or using compressed air, blow away any dirt from around the spark plug.
  4. Remove the spark plug.

    If removing more than one plug, place each plug in a tray marked with the corresponding cylinder number.

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