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Home >> Buick >> 2007 >> Lucerne CX >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Mechanical - 4.6L (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 variant/trim than selected.
  1. Inspect the camshaft cover for the following:
    • Dent or damage to the exterior of the camshaft cover

      A dented or damaged cover may:

      • Leak oil
      • Effect crankcase ventilation
      • Interfere with the camshafts
      • Interfere with the ignition module sealing
      • Allow water or condensation to enter the engine
    • Damaged camshaft cover bolts
    • Damage or cracking to the camshaft cover bolt grommets
    • Restrictions to the ventilation system passages
    • Damaged, loose or missing baffle
    • Damaged, loose or missing baffle fasteners
    • Damage to the oil fill hole in the left camshaft cover
    • Damage or cracking to the PCV grommet in the left camshaft cover
    • Damage to the ventilation hose nipple in the right camshaft cover
    • Damaged threaded holes for the following:
      • Baffle
      • Ignition module
      • Wiring harness retainer
      • Fuel injector sight shield bracket in the right camshaft cover
    • Damage or warped seal groove for the following:
      • Camshaft cover seal
      • Spark plug port seals
      • Ignition module ground/RFI spring port seal
  2. Repair or replace the camshaft cover as necessary.