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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1331 (Engine Mechanical (Repair Instructions 2 Of 3) - 5.7L) >> Off-Vehicle Repair Instructions - Part 2 >> Valve Rocker Arm Cover Cleaning and Inspection

Valve Rocker Arm Cover Cleaning and Inspection

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: Ignition Coil, Bracket Assembly & Bolts
    GM309727Courtesy of GENERAL MOTORS CORP.
    IMPORTANT:
    • Do not use the valve rocker arm cover gasket again. Install a NEW gasket during assembly.
    • Remove the ignition coils from the bracket before cleaning the bracket in solvent. Do not submerge the ignition coils in solvent.
    • Do not remove the oil fill tube from the cover unless service is required.
    • If the oil fill tube has been removed from the rocker arm cover, install a NEW tube during assembly.
  1. Remove the ignition coil and bracket assembly and bolts from the rocker cover, if required.
    2. Fig 2: View Of Left Ignition Coils & Bolts
    GM309850Courtesy of GENERAL MOTORS CORP.
  2. Remove the ignition coils and bolts from the bracket, if required.
    3. Fig 3: View Of Oil Fill Cap & Tube
    GM260110Courtesy of GENERAL MOTORS CORP.
  3. Inspect the tube for a loose fit or damage.
  4. Remove the oil fill cap and tube from the right cover, if required.
    5. Fig 4: View Of Valve Rocker Arm Cover Gasket
    GM1272820Courtesy of GENERAL MOTORS CORP.
  5. Remove the gaskets (504) from the covers.
  6. Remove the cover mounting bolts, with grommets.

    Cover mounting bolts and grommets that are not damaged may be used again during assembly.

  7. Clean the covers and coil brackets in solvent.
    8. Fig 5: Valve Cover To Cylinder Head View
    GM260085Courtesy of GENERAL MOTORS CORP.
    CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
  8. Dry the components with compressed air.
  9. Inspect the ventilation system passages for restrictions.
  10. Inspect the gasket grooves for damage.
  11. Inspect the coil bracket threaded bolt holes for damaged threads or debris.
    12. Fig 6: View Of Left Ignition Coils & Bolts
    GM309850Courtesy of GENERAL MOTORS CORP.
  12. Inspect the coil mounting brackets for cracking, stripped bolt hole threads, or other damage.
  13. Inspect the ignition coils for exterior damage and bent or broken connector pins.
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