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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 186 (Engine Controls - 3.9L - Introduction (2 Of 2)) >> Repair Instructions >> Ignition Coil Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2006 Pontiac Montana SV6, 2006 Chevrolet Uplander, and 2006 Buick Terraza. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the intake manifold cover. Refer to INTAKE MANIFOLD COVER REPLACEMENT .
    2. Fig 1: View Of Booster Vacuum Hose
    GM1677963Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the brake booster vacuum hose from the intake manifold.
    3. Fig 2: Locating Engine Harness Electrical Connectors
    GM1675732Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the manifold absolute pressure (MAP) sensor electrical connector (1).
  4. Disconnect the ignition coil electrical connector (2).
    5. Fig 3: View Of Left Spark Plug/Coil Harness
    GM1582091Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the left side spark plug wires from the ignition coil.
    6. Fig 4: View Of Spark Plug Wire Assembly
    GM1582938Courtesy of GENERAL MOTORS CORP.
  6. Disconnect the right side spark plug wires from the ignition coil.
    7. Fig 5: Removing/Installing Ignition Coil Bracket Bolts & Nuts
    GM1587660Courtesy of GENERAL MOTORS CORP.
  7. Remove the upper left coil mount bracket bolt (1).
  8. Raise the vehicle. refer to LIFTING AND JACKING THE VEHICLE .
  9. Disconnect the wire retainers on the ignition coil bracket.
  10. Remove the remaining bolt (1) and the two nuts (2) on the coil bracket.
  11. Lower the vehicle.
  12. Remove the ignition coil bracket assembly.
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