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Home >> Chevrolet >> 2007 >> Chevy Express G2500, Van Cargo, 6.6 6 >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Engine Mechanical - 4.8L, 5.3L, And 6.0L (2 Of 4)) >> On-Vehicle REPARI Instructions >> Valve Rocker Arm Cover Replacement - Left Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: View Of Main Ignition Coil Wire Harness Connector & Clips
    GM757686Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Remove the connector position assurance (CPA) lock.
  3. Disconnect the main electrical connector (2) to the ignition coil wire harness.
  4. Remove the harness clips (1).
  5. Reposition the engine harness, if necessary.
  6. Remove the spark plug wires from the ignition coils.
    • Twist each plug wire 1/2 turn.
    • Pull only on the boot in order to remove the wire from the ignition coil.
    7. Fig 2: Identifying ignition coil bracket studs
    GM1809618Courtesy of GENERAL MOTORS CORP.
  7. Remove the ignition coil bracket studs from the rocker arm cover.
  8. Remove the ignition coils and bracket from the rocker arm cover.
    9. Fig 3: Identifying positive crankcase ventilation (PCV) hose
    GM1810234Courtesy of GENERAL MOTORS CORP.
  9. Remove the positive crankcase ventilation (PCV) hose from the rocker arm cover.
    10. Fig 4: View Of Valve Rocker Arm Cover
    GM1277108Courtesy of GENERAL MOTORS CORP.
  10. Remove the valve rocker arm cover bolts.
  11. Remove the valve rocker arm cover.
    12. Fig 5: View Of Rocker Arm Cover Gasket
    GM490696Courtesy of GENERAL MOTORS CORP.
  12. Remove the gasket (1) from the rocker cover.
  13. Discard the OLD gasket.
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