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Home › Chevrolet › 2011 › Chevy Express G1500, Van Cargo, 4.3 X › Repair and Diagnosis › Engine Performance › Engine Control Systems › Engine Controls And Fuel - 4.3L - Repair Instructions › Repair Instructions › Ignition Coil Replacement › Removal Procedure

Removal Procedure

    Fig 1: Spark Plug Wires & Retainers
    GM1949973Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Disconnect the chassis fuel feed pipe quick connect fitting from the engine fuel feed pipe. Refer to Metal Collar Quick Connect Fitting Service .
    3. NOTE:

    Note the routing of the spark plug wires prior to disconnecting the wires from the ignition coil.

  3. Disconnect the spark plug wires (1) from the ignition coil.
  4. Remove the spark plug wire retainer (2) from the ignition coil bracket.
  5. Reposition the spark plug wires out of the way.
    6. Fig 2: Engine Wiring Harness Electrical Connector
    GM1949972Courtesy of GENERAL MOTORS CORP.
  6. Disconnect engine wiring harness electrical connector (1) from the ignition coil.
    7. Fig 3: Ignition Coil And Bolts
    GM1949974Courtesy of GENERAL MOTORS CORP.
  7. Remove the ignition coil bolts (1) and ignition coil (2) from the bracket.
    8. Fig 4: Lower Ignition Coil Bracket Bolts
    GM1949975Courtesy of GENERAL MOTORS CORP.
  8. If required, remove the lower ignition coil bracket bolt (3).
  9. Remove the engine wiring harness ground terminal from the ignition coil bracket.
  10. Remove the upper ignition coil bracket bolts (1) and bracket (2).
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