GM Service Manual Online
For 1990-2009 cars only

Camshaft Timing Chain and Sprocket Cleaning and Inspection 7.0L


    Object Number: 1552452  Size: SH
  1. Clean the components with cleaning solvent.
  2. Caution: Refer to Safety Glasses Caution in the Preface section.

  3. Dry the components with compressed air.
  4. Inspect the timing chain (1) for binding or wear.
  5. Inspect the camshaft position (CMP) sensor raised areas (2) for nicks or damage.
  6. Inspect for worn, damaged, or chipped teeth (3).
  7. Inspect for a damaged keyway (4).
  8. Inspect for worn oil pump drive splines (5).

Camshaft Timing Chain and Sprocket Cleaning and Inspection 6.2L


    Object Number: 1704628  Size: SH
  1. Clean the components with cleaning solvent.
  2. Caution: Refer to Safety Glasses Caution in the Preface section.

  3. Dry the components with compressed air.
  4. Inspect the timing chain (1) for binding or wear.
  5. Inspect the camshaft position (CMP) sensor raised areas (2) for nicks or damage.
  6. Inspect for worn, damaged, or chipped teeth (3).
  7. Inspect for a damaged keyway (4).
  8. Inspect for worn oil pump drive splines (5).