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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 20 (Engine Mechanical - 4.4L (3 Of 5)) >> Off-Vehicle Repair Instructions (Part 2) >> Camshaft Cleaning and Inspection - Off Vehicle >> Visual Inspection Procedure

Visual Inspection Procedure

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    Fig 1: Inspecting Camshaft
    GM593952Courtesy of GENERAL MOTORS CORP.
  1. Inspect the camshaft sprocket locating pin (2) for damage or wear.
  2. Inspect the threads (3) for the camshaft sprocket bolt.
  3. Inspect the camshaft lobes (1) and journals (4) for the following conditions:
    • Excessive scoring or pitting
    • Discoloration from overheating
    • Deformation from excessive wear, especially the camshaft lobes