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Home >> Chevrolet >> 2014 >> Express 1500 LS, AWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 4.8L (L20), 5.3L (LMF), Or 6.0L (L96 LC8) - Repair Instructions - Off Vehicle >> Repair Instructions - Off Vehicle >> Camshaft Timing Chain and Sprocket Cleaning and Inspection

Camshaft Timing Chain and Sprocket Cleaning and Inspection

    Fig 1: Identifying Camshaft Timing Chain And Sproket
    GM2359730Courtesy of GENERAL MOTORS COMPANY
  1. Clean the components with cleaning solvent.
    2. WARNING:

    Refer to Safety Glasses and Compressed Air Warning .

  2. Dry the components with compressed air.
  3. Inspect the timing chain for binding or wear.
  4. Inspect the crankshaft sprocket for worn, damaged or chipped teeth.
  5. Inspect for a damaged keyway.
  6. Inspect for worn oil pump drive splines.
    7. Fig 2: View Of Timing Chain Tensioner Inspection Points
    GM1658210Courtesy of GENERAL MOTORS COMPANY
  7. Inspect the timing chain tensioner for the following conditions:
    • Damaged or broken tension spring (1)
    • Excessive wear or scoring on the chain guide surfaces (2, 3)
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