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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 3 (Engine Controls - 4.3L - Introduction (2 Of 2)) >> Repair Instructions >> Spark Plug Replacement >> Removal Procedure

Removal Procedure

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  1. Disconnect the spark plug wire from the spark plug.
    1. Twist the boot 1/2 turn before removing the boot.
    2. Pull only on the boot or use a tool designed for this purpose in order to remove the wire from the spark plug.
  2. Loosen the spark plug 1 or 2 turns.
  3. Brush or air blast away any dirt from around the spark plug.
  4. Remove the spark plug. If removing more than 1 plug, place each plug in a tray marked with the corresponding cylinder number.
    Fig 1: View Of Spark Plug And Sparkplug Seat
    GM14824Courtesy of GENERAL MOTORS CORP.
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