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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 894 (Engine Controls And Fuel - 4.3L - Introduction (2 Of 2)) >> Repair Instructions >> Spark Plug Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2007 GMC Sierra and 2007 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: View Of Spark Plug Wire Separators & Boots
    GM1876924Courtesy of GENERAL MOTORS CORP.
  1. Remove the appropriate spark plug wire boot(s) (2) from the spark plug. (left side shown, right similar).
    1. Twist the spark plug boot 1/2 turn.
    2. Pull ONLY on the spark plug boot or use a tool designed for this purpose in order to remove the spark plug wire boot from the spark plug.
    2. Fig 2: View Of Spark Plugs
    GM1876950Courtesy of GENERAL MOTORS CORP.
  2. Loosen the spark plug 1 or 2 turns. (left side shown, right similar).
  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.
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