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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1537 (Engine Mechanical (Repair Instructions 1 Of 3) - 5.7L) >> Repair Instructions (On-Vehicle & Off-Vehicle - Part 1 >> On-Vehicle Repair Instructions >> Valve Rocker Arm Cover Replacement - Right >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Right Fuel Injection Rail Cover
    GM651872Courtesy of GENERAL MOTORS CORP.
  1. Remove the right fuel rail cover.
    2. Fig 2: AIR Hose Clamp & Check Valve
    GM651875Courtesy of GENERAL MOTORS CORP.
  2. Remove the secondary air injection (AIR) hose clamp.
  3. Remove the AIR hose (1) from the check valve.
    4. Fig 3: AIR Pipe & Bolts
    GM651877Courtesy of GENERAL MOTORS CORP.
  4. Remove the AIR pipe bolts at the exhaust manifold.
    5. Fig 4: AIR Pipe Gasket, Exhaust Manifold & Bolts
    GM651878Courtesy of GENERAL MOTORS CORP.
  5. Loosen, DO NOT remove the AIR pipe bolt at the rear of the left cylinder head.
  6. Slide the AIR pipe up and out from behind the bolt.
  7. Reposition the AIR pipe.
  8. Remove the AIR pipe gasket from the exhaust manifold.
    9. Fig 5: PCV Tube & Rocker Arm Cover
    GM551464Courtesy of GENERAL MOTORS CORP.
  9. Remove the throttle position (TP) sensor harness clip from the positive crankcase ventilation (PCV) tube.
  10. Remove the PCV tube from the throttle body and rocker arm cover.
    11. Fig 6: Right Rocker Arm Cover & PCV Valve Pipe
    GM379367Courtesy of GENERAL MOTORS CORP.
  11. If equipped with the regular production option (RPO) LS1 engine, remove the PCV valve pipe strap nut.
  12. Remove the PCV valve pipe from the right rocker arm cover and intake manifold.
    13. Fig 7: Spark Plug Wire
    GM74069Courtesy of GENERAL MOTORS CORP.
  13. Disconnect the spark plug wires from the ignition coils.
    • Twist the spark plug wire boot 1/2 turn.
    • Pull only on the boot in order to remove the wire from the ignition coil.
  14. Disconnect the ignition coil wire harness main electrical connector.
    15. Fig 8: Ignition Coil Bracket & Studs
    GM697216Courtesy of GENERAL MOTORS CORP.
  15. Remove the ignition coil bracket studs.
  16. Remove the ignition coil bracket.
    17. Fig 9: View Of Valve Rocker Arm Cover & Bolts (Right)
    GM260084Courtesy of GENERAL MOTORS CORP.
  17. Loosen the valve rocker arm cover bolts.
  18. Remove the valve rocker arm cover.
    19. Fig 10: Rocker Arm Cover Gasket
    GM490696Courtesy of GENERAL MOTORS CORP.
  19. Remove the gasket (1) from the rocker cover. Discard the OLD gasket.
    20. Fig 11: View Of Oil Fill Cap & Tube
    GM260110Courtesy of GENERAL MOTORS CORP.
  20. Remove the oil fill cap from the oil fill tube.
  21. Remove the oil fill tube, if required.
  22. Discard the oil fill tube.
  23. Clean and inspect the valve rocker arm cover. Refer to Valve Rocker Arm Cover Cleaning and Inspection .
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