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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 - Right Side >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
    Fig 1: Identifying main electrical connector
    GM1810874Courtesy of GENERAL MOTORS CORP.
  1. Remove the engine cover. Refer to Engine Cover Replacement .
  2. Remove the upper transmission fill tube. Refer to Transmission Fluid Filler Tube and Seal Replacement .
  3. Remove the oil fill tube. Refer to Oil Level Indicator and Tube Replacement .
  4. Disconnect the main electrical connector (1) to the ignition coil wire harness.
  5. Remove the harness clips (2).
  6. Reposition the engine harness, if necessary.
  7. 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.
    8. Fig 2: Ignition Coil Bracket Studs From Rocker Arm Cover
    GM824414Courtesy of GENERAL MOTORS CORP.
  8. Remove the ignition coil bracket studs from the rocker arm cover.
  9. Remove the ignition coils and bracket from the rocker cover.
    10. Fig 3: Identifying vent hose
    GM1810787Courtesy of GENERAL MOTORS CORP.
  10. Remove the vent hose from the valve rocker arm cover.
    11. Fig 4: View Of Valve Rocker Arm Cover & Bolts (Right)
    GM260084Courtesy of GENERAL MOTORS CORP.
  11. Remove the valve rocker arm cover bolts.
  12. Remove the valve rocker arm cover.
    13. Fig 5: View Of Rocker Arm Cover Gasket
    GM490696Courtesy of GENERAL MOTORS CORP.
  13. Remove the gasket (1) from the rocker cover.
  14. Discard the OLD gasket.
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