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Home >> Cadillac >> 2018 >> Escalade Base, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 2 (Engine Mechanical - 6.0L (L96)) >> Repair Instructions - On Vehicle >> Valve Rocker Arm Cover Replacement - Left Side >> 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.
  1. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  2. If equipped with CNG, detach the harness retainers at the outer bracket and position aside.
    3. Fig 1: Outer Fuel Rail Bracket Bolts
    GM2968511Courtesy of GENERAL MOTORS COMPANY
  3. If equipped with CNG, remove the outer fuel rail bracket bolts (1).
    4. Fig 2: CPA Retainer, Electrical Connectors And Engine Harness Clips
    GM1696892Courtesy of GENERAL MOTORS COMPANY
  4. Remove the connector position assurance (CPA) retainer (2).
  5. Disconnect the engine harness electrical connector (1) from the ignition coil wire harness.
  6. Remove the engine harness clip (4) from the ignition coil bracket stud.
  7. Reposition the engine harness, as necessary.
  8. Disconnect the spark plug wires from the ignition coils. Refer to Spark Plug Wire Replacement .
    9. Fig 3: Ignition Coil Bracket And Bolts
    GM3630650Courtesy of GENERAL MOTORS COMPANY
  9. Remove the ignition coil bracket bolts (1).
  10. Remove the ignition coil bracket (2).
  11. Remove the left positive crankcase ventilation (PCV) hose. Refer to Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Left Side) .
    12. Fig 4: Valve Rocker Arm Cover And Bolts (Left Side)
    GM1277108Courtesy of GENERAL MOTORS COMPANY
  12. Loosen the valve rocker arm cover bolts.
  13. Remove the valve rocker arm cover.
    14. Fig 5: Valve Rocker Arm Cover Gasket
    GM490696Courtesy of GENERAL MOTORS COMPANY
  14. Remove and discard the old gasket (1).
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