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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 594 (Engine Mechanical - 3.4L) >> Repair Instructions >> On-Vehicle Repair Instructions >> Timing Chain and Sprockets Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2004 Pontiac Aztek and 2004 Buick Rendezvous. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the engine front cover. Refer to Engine Front Cover Replacement .
  2. Fig 1: Aligning The Dowel In The Camshaft With The Dowel Hole In The Camshaft Sprocket
    GM187021Courtesy of GENERAL MOTORS CORP.
  3. Align the crankshaft timing mark (2) to the timing mark on the bottom of the timing chain dampener (1).
  4. Align the timing mark on the camshaft gear (4) with the timing mark on top of the timing chain dampener (3).
  5. Fig 2: Identifying Camshaft Sprocket Bolt
    GM54291Courtesy of GENERAL MOTORS CORP.
  6. Remove the camshaft sprocket bolt.
  7. Remove the camshaft sprocket and timing chain.
  8. Fig 3: View Of Crankshaft Sprocket
    GM760405Courtesy of GENERAL MOTORS CORP.
  9. Remove the crankshaft sprocket.
  10. Fig 4: View Of Timing Chain Dampener & Bolts
    GM59271Courtesy of GENERAL MOTORS CORP.
  11. Remove the timing chain dampener bolts.
  12. Remove the timing chain dampener.
  13. Clean and inspect the timing chain and gears. Refer to Timing Chain and Sprockets Cleaning and Inspection  in the Engine Unit Repair Manual.