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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Engine Controls And Fuel - 6.0L (L96) - Repair Instructions) >> Repair Instructions >> Ignition Coil Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2018 Chevrolet Suburban 3500 HD. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Ignition Coil Wiring Harness Electrical Connector
    GM1707122Courtesy of GENERAL MOTORS COMPANY
  1. Remove the intake manifold sight shield. Refer to Upper Intake Manifold Sight Shield Replacement .
  2. Disconnect the ignition coil wiring harness electrical connector (1) from the ignition coil.
    3. Fig 2: Ignition Coil, Bracket And Bolts
    GM1707124Courtesy of GENERAL MOTORS COMPANY
  3. Remove the spark plug wire from the ignition coil.
    • Twist the spark plug wire boot a 1/2 turn.
    • Pull only on the boot in order to remove the wire from the ignition coil.
  4. Remove the ignition coil bolts.
  5. Remove the ignition coil from the bracket. (left side shown, right side similar).
  6. There are 2 different manufacturers for the ignition coils and coil brackets. They are as follows:
    7. Fig 3: Melco And Delphi Ignition Coil
    GM260177Courtesy of GENERAL MOTORS COMPANY
  7. The Melco® (1) ignition coil is a square design.
  8. The Delphi® (2) ignition coil is a round design.
    9. Fig 4: Melco And Delphi Ignition Coil Bracket
    GM260077Courtesy of GENERAL MOTORS COMPANY
  9. The Melco® ignition coil bracket (1) is a square design.
  10. The Delphi® ignition coil bracket (2) is a round design.
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