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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 100 (Engine Control System & Fuel - 4.8L, 5.3L, 6.0L And 6.2L - Introduction (2 Of 2)) >> Repair Instructions >> Spark Plug Replacement >> Removal Procedure

Removal Procedure

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    Fig 1: View Of Spark Plug Wires
    GM1707125Courtesy of GENERAL MOTORS CORP.
  1. Remove the spark plug wire from the spark plug.
    1. Twist the spark plug wire boot a 1/2 turn.
    2. Pull only on the boot in order to remove the wire from the spark plug.
    2. Fig 2: View Of Spark Plug & Spark Plug Seat
    GM14824Courtesy of GENERAL MOTORS CORP.
  2. Brush or using compressed air, blow away any dirt from around the spark plug.
  3. 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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