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Home >> Chevrolet >> 2008 >> TrailBlazer 4.2 S, 4WD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Fuel System - 4.2L - Introduction (2 Of 2) >> Repair Instructions >> Ignition Coil Replacement >> Removal Procedure

Removal Procedure

  1. Remove the air cleaner outlet resonator. Refer to Air Cleaner Outlet Resonator Replacement .
    2. Fig 1: Locating Ignition Coil Connectors & Retaining Bolts
    GM725541Courtesy of GENERAL MOTORS CORP.
  2. Disconnect the ignition coil connectors (1) from the ignition coils.
  3. Remove the retaining bolts (2) from the ignition coils.
    4. Fig 2: View Of Ignition Coils
    GM725545Courtesy of GENERAL MOTORS CORP.
  4. Remove the ignition coils (1) from the engine.
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