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Inspection Procedure

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect each camshaft cover for the dents or damage to the exterior. A dented or damaged camshaft cover may:
    • Leak engine oil
    • Effect crankcase ventilation
    • Interfere with the camshafts
    • Interfere with the ignition module sealing
    • Allow water or condensation to enter the engine
  2. Inspect the exterior of the left camshaft cover for the following conditions:
    • Damage to the camshaft cover bolt holes (1)
    • Damage to the oil fill hole (2)
    • Damage to the fuel injector sight shield studs (3)
    • Damage to the PCV grommet hole (4)
    • Damage to the mounting holes for the ignition coil assembly (5)
    Fig 1: Checking Left Camshaft Cover Exterior
    G01815264Courtesy of GENERAL MOTORS CORP.
  3. Inspect the interior of the left camshaft cover for the following conditions:
    • Gouges or damage to the camshaft cover sealing groove (1)
    • Damaged, loose or missing baffle fasteners (2)
    • Damaged, loose or missing baffle (2)
    • Gouges or damage to the spark plug sealing grooves (3)
    • Gouges or damage to the ignition coil assembly ground/RFI spring port sealing groove (4)
    • Restrictions to the ventilation system (5)
    Fig 2: Checking Left Camshaft Cover Interior
    G01815265Courtesy of GENERAL MOTORS CORP.
  4. Inspect the exterior of the right camshaft cover for the following conditions:
    • Damage to the camshaft cover bolt holes (1)
    • Damage to the mounting holes for the ignition coil assembly (2)
    • Damage to the ventilation hose nipple (3)
    • Damage to the fuel injector sight shield bracket bolt holes (4)
    Fig 3: Checking Right Camshaft Cover Exterior
    G01815266Courtesy of GENERAL MOTORS CORP.
  5. Inspect the interior of the right camshaft cover for the following conditions:
    • Gouges or damage to the camshaft cover sealing groove (1)
    • Damaged, loose or missing baffle fasteners (2)
    • Damaged, loose or missing baffle (2)
    • Gouges or damage to the spark plug port sealing grooves (3)
    • Restrictions to the ventilation system (4)
    • Gouges or damage to the ignition coil assembly ground/RFI spring port sealing groove (5)
  6. Repair or replace the camshaft cover or covers as necessary.
    Fig 4: Checking Right Camshaft Cover Interior
    G01815267Courtesy of GENERAL MOTORS CORP.