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Home >> Chevrolet >> 2023 >> Camaro ZL1, 2D Convertible, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 13 (Engine Mechanical - 3.6L - Repair Instructions) >> Repair Instructions >> Camshaft Cover Overhaul >> Inspection Procedure

Inspection Procedure

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  1. Inspect each camshaft cover for the dents or damage to the exterior. A dented or damaged camshaft cover may:
    • Leak engine oil
    • Affect crankcase ventilation
    • Interfere with the camshafts
    • Interfere with the ignition coil sealing
    • Allow water or condensation to enter the engine
  2. GM3961529Courtesy of GENERAL MOTORS COMPANY

    Inspect the exterior of the right camshaft cover for the following conditions:

    • Damage to the camshaft position actuator solenoid valve bolt hole (1).
    • Damage to the camshaft cover bolt holes (2)
    • Damage to the mounting holes (3) for the ignition coil assembly and fuel injector sight shield ballstud.
    • Damage to the camshaft position sensor bolt hole (4).
    • Damage to the spark plug shield seal bore (5)
    • Damage to the valve rocker arm oil control valve bolt hole (6).
    • Damage to the oil fill hole (7)
    • NOTE:

      Not servicable - cam cover must be removed to replace PCV check valve. Can't service check valve alone (tangs will break on removal thus leaving foreign material in engine)

    • Damage to the positive crankcase ventilation (PCV) hose connector (8) -A damaged PCV hose connector is not replaceable.
  3. GM3961530Courtesy of GENERAL MOTORS COMPANY

    Inspect the interior of the right camshaft cover for the following conditions:

    • Gouges or damage to the spark plug shield seal bore (1)
    • Gouges or damage to the camshaft cover sealing groove (2)
    • Damaged, loose or missing baffle (3)
  4. GM3961525Courtesy of GENERAL MOTORS COMPANY

    Inspect the exterior of the left camshaft cover for the following conditions:

    • Damage to the mounting holes (1) for the ignition coil assembly
    • Gouges or damage to the spark plug shield seal bore (2)
    • Damage to the camshaft position actuator solenoid valve bolt hole (3).
    • Damage to the valve rocker arm oil control valve bolt hole (4).
    • Damage to the camshaft position sensor bolt hole (5).
    • Damage to the camshaft cover bolt holes (6)
  5. GM3961526Courtesy of GENERAL MOTORS COMPANY

    Inspect the interior of the left camshaft cover for the following conditions:

    • Gouges or damage to the spark plug shield seal bore (1)
    • Gouges or damage to the camshaft cover sealing groove (2)
    • Damaged, loose or missing baffle (3)
    • NOTE:

      Not servicable - cam cover must be removed to replace PCV check valve. Can't service check valve alone (tangs will break on removal thus leaving foreign material in engine)

    • Damage to the positive crankcase ventilation (PCV) hose connector (8) -A damaged PCV hose connector is not replaceable.
  6. Repair or replace the camshaft cover or covers as necessary.