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Home >> Chevrolet >> 2002 >> Monte Carlo LS >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 3.4L V6 - VIN (E) (On-Vehicle) >> Repair Instructions >> Timing Chain & Sprockets - Replacement >> Removal Procedure

Removal Procedure

  1. Remove the engine front cover. Refer to Engine Front Cover - Replacement .
  2. Rotate the crankshaft until the timing marks in the following locations are aligned:
    • The camshaft alignment pin (4).
    • The timing chain dampener (1) to the crankshaft sprocket (2).
    Fig 1: Aligning Timing Marks On Timing Chain
    G01806833Courtesy of GENERAL MOTORS CORP.
  3. Remove the camshaft sprocket bolt.
    Fig 2: Camshaft Sprocket Bolt
    G01806834Courtesy of GENERAL MOTORS CORP.
  4. Remove the camshaft sprocket with the timing chain.
    Fig 3: Camshaft Sprocket
    G01806835Courtesy of GENERAL MOTORS CORP.
  5. Use the J 5825-A  in order to remove the crankshaft sprocket.
    Fig 4: Removing Crankshaft Sprocket
    G01806836Courtesy of GENERAL MOTORS CORP.
  6. Remove the timing chain dampener bolts.
  7. Remove the timing chain dampener.
    Fig 5: Timing Chain Dampener
    G01806837Courtesy of GENERAL MOTORS CORP.
  8. If necessary remove the camshaft thrust plate bolts.
  9. Remove the camshaft thrust plate.
  10. Fig 6: Camshaft Thrust Plate
    G01806838Courtesy of GENERAL MOTORS CORP.
  11. Clean and inspect the timing chain and gears. Refer to Engine Front Cover - Replacement .