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Home >> Chevrolet >> 2018 >> Suburban 3500 HD LT >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Controls And Fuel - 5.3L (L83) Or 6.2L (L86) - Repair Instructions) >> Repair Instructions >> Spark Plug Replacement >> Removal Procedure

Removal Procedure

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  1. Remove the spark plug wires from the spark plugs.
    Fig 1: Locating Spark Plug Gap
    GM1950749Courtesy of GENERAL MOTORS COMPANY
  2. Loosen each spark plug 1 or 2 turns.
  3. Use a brush, or use compressed air in order to remove any dirt from the spark plugs.
  4. Remove the spark plugs one at a time and place each plug in a tray marked with the corresponding cylinder numbers.
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