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Home >> Buick >> 2005 >> LeSabre Custom, 4T65E/MN3 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Introduction >> Repair Instructions >> Spark Plug Replacement >> Removal Procedure

Removal Procedure

  1. Turn OFF the ignition switch.
  2. Remove the fuel injector sight shield. Refer to Fuel Injector Sight Shield Replacement (L36) in Engine Mechanical.
    3. Fig 1: Identifying Spark Plug & Wire
    GM47610Courtesy of GENERAL MOTORS CORP.
  3. Note the position of the spark plug wires before removing the wires.
  4. Twist the spark plug boot 1/2 turn before removing the boots.
  5. Gently pry the heat shield up from the spark plugs using the J 38491  . See Special Tools .
  6. Remove the spark plug wires from the spark plugs.
  7. Remove the spark plugs from the engine.
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