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Home › Chevrolet › 2012 › Chevy Express G1500, Van Cargo, 4.3L Eng VIN X › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 4.3L - Repair Instructions › Repair Instructions › Spark Plug Replacement › Removal Procedure

Removal Procedure

    Fig 1: Identifying Spark Plug Wire Boots & Plugs (Left Side)
    GM1950007Courtesy of GENERAL MOTORS COMPANY
  1. Remove the engine cover, if required. Refer to Engine Cover Replacement .
  2. If required, remove the appropriate left side spark plug wire boot(s) (2) from the spark plug(s).
    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.
    3. Fig 2: Identifying Spark Plug Wire Boots & Plugs (Right Side)
    GM1950008Courtesy of GENERAL MOTORS COMPANY
  3. If required, remove the appropriate right side spark plug wire boot(s) (1) from the spark plug(s).
    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.
    4. Fig 3: Identifying Left Side Spark Plugs
    GM1950043Courtesy of GENERAL MOTORS COMPANY
  4. If required, loosen the appropriate left side spark plug 1 or 2 turns.
  5. Brush or air blast away any dirt from around the spark plug.
  6. Remove the appropriate left side spark plug (1) . If removing more than 1 plug, place each plug in a tray marked with the corresponding cylinder number.
    7. Fig 4: Identifying Right Side Spark Plugs
    GM1950044Courtesy of GENERAL MOTORS COMPANY
  7. If required, loosen the appropriate right side spark plug 1 or 2 turns.
  8. Brush or air blast away any dirt from around the spark plug.
  9. Remove the appropriate right side spark plug (1). If removing more than 1 plug, place each plug in a tray marked with the corresponding cylinder number.
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