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Home >> Chevrolet >> 2009 >> Uplander LT, 3.9 M >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls And Fuel - 3.9L - Introduction (2 Of 2) >> Repair Instructions >> Ignition Coil Replacement >> Installation Procedure

Installation Procedure

    Fig 1: Identifying Ignition Coil Bracket Bolts And Nuts
    GM1587660Courtesy of GENERAL MOTORS CORP.
  1. Install the ignition coil (3).
  2. Raise the vehicle.
  3. Install the upper right coil mount bolt.
    4. CAUTION: Refer to Fastener Caution .
  4. Install the coil mount nuts and tighten to 25 N.m (15 lb ft)  .
  5. Connect the wire retainers to the coil bracket.
  6. Lower the vehicle.
  7. Install the upper left coil mount bolt and tighten to 25 N.m (15 lb ft)  .
    8. Fig 2: View Of Spark Plug Wire Assembly
    GM1582938Courtesy of GENERAL MOTORS CORP.
  8. Connect the right side spark plug wires to the ignition coil.
    9. Fig 3: View Of Left Spark Plug/Coil Harness
    GM1582091Courtesy of GENERAL MOTORS CORP.
  9. Connect the left side spark plug wires to the ignition coil.
    10. Fig 4: Locating ECM And MAP Sensor Electrical Connectors
    GM1582011Courtesy of GENERAL MOTORS CORP.
  10. Connect the ignition coil electrical connector (2).
  11. Connect the MAP sensor electrical connector (1).
    12. Fig 5: View Of Booster Vacuum Hose
    GM1677963Courtesy of GENERAL MOTORS CORP.
  12. Connect the brake booster vacuum hose to the intake manifold.
  13. Install the intake manifold cover. Refer to Intake Manifold Cover Replacement .
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