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Home >> Cadillac >> 2003 >> Escalade EXT >> Repair and Diagnosis >> External Pages >> Different car >> Section 331 (Engine Controls - 8.1L (Introduction)) >> Repair Instructions >> Spark Plug Replacement >> Removal Procedure
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Removal Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the spark plug wire. Refer to Spark Plug Wire Replacement .
    Fig 1: View Of Spark Plug
    GM858212Courtesy of GENERAL MOTORS CORP.
  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.
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