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Home >> Buick >> 2000 >> LeSabre Custom, 4T65E/MN3 >> Repair and Diagnosis >> External Pages >> Different car >> Section 135 (Engine Controls - Introduction) >> Repair Instructions >> Spark Plug Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2005 Buick LeSabre. However, it is still accessible from the selected car via links, so may be relevant.
  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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