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Home >> Buick >> 2007 >> Allure CX >> Repair and Diagnosis >> External Pages >> Different car >> Section 82 (Engine Mechanical - 3.6L (4 Of 5)) >> Off-Vehicle Repair Instructions (2 Of 3) >> Camshaft Cover Cleaning and Inspection >> Inspection Procedure

Inspection Procedure

WARNING: This page is about a different car, the 2008 Buick LaCrosse and 2008 Buick Allure. 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 coil sealing
    • Allow water or condensation to enter the engine
    2. Fig 1: Inspecting Exterior Of Left Camshaft Cover
    GM1832351Courtesy of GENERAL MOTORS CORP.
  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 mounting holes (3) for the ignition coil assembly and fuel injector sight shield ballstud.
    • Damage to the positive crankcase ventilation (PCV) hose connector (4)-A damaged PCV hose connector is replaceable.
    3. Fig 2: View Of Left Camshaft Cover Internal Inspection Points
    GM1832352Courtesy 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 (3)
    • Gouges or damage to the spark plug shield seal bore (4)
    • Restrictions to the ventilation system (5)
    4. Fig 3: View Of Right Camshaft Cover Exterior Inspection Locations
    GM1832353Courtesy of GENERAL MOTORS CORP.
  4. Inspect the exterior of the right camshaft cover for the following conditions:
    • Damage to the PCV orifice (1)-A damaged PCV orifice can be replaced. Refer to PCV Orifice Replacement .
    • Damage to the mounting holes (2) for the ignition coil assembly
    • Damage to the camshaft cover bolt holes (3)
    5. Fig 4: View Of Right Camshaft Cover Interior Inspection Locations
    GM1832354Courtesy of GENERAL MOTORS CORP.
  5. Inspect the interior of the right camshaft cover for the following conditions:
    • Restrictions to the ventilation system (1)
    • Gouges or damage to the spark plug shield seal bore (2)
    • Gouges or damage to the camshaft cover sealing groove (3)
  6. Repair or replace the camshaft cover or covers as necessary.
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