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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 789 (Engine Mechanical (On-Vehicle)) >> Repair Instructions >> Timing Chain and Sprockets Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2002 Pontiac Montana, 2002 Oldsmobile Silhouette, and 2002 Chevrolet Venture. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Installing Crankshaft Sprocket
    G01828785Courtesy of GENERAL MOTORS CORP.
  1. Install the crankshaft sprocket using the J 38612  .
  2. Apply prelube GM P/N 1052365 or the equivalent to the crankshaft sprocket thrust surface.
    3. Fig 2: Timing Chain Dampener
    G01828786Courtesy of GENERAL MOTORS CORP.
  3. Install the timing chain dampener.
    NOTE: Refer to FASTENER NOTICE .
  4. Install the timing chain dampener bolts.

    Tighten 

    Tighten the bolt to 21 N.m (15 lb ft).

    5. Fig 3: Crankshaft Timing Marks
    G01828787Courtesy of GENERAL MOTORS CORP.
  5. Align the crankshaft timing mark (2) to the timing mark on the bottom of the timing chain dampener(1).
  6. Hold the camshaft sprocket with the timing chain hanging down and install the timing chain to the crankshaft gear.
  7. Align the timing mark on the camshaft gear (4) with the timing mark on top of the timing chain dampener (3).
  8. Align the dowel in the camshaft with the dowel hole in the camshaft sprocket.
    9. Fig 4: Camshaft Sprocket And Timing Chain
    G01828788Courtesy of GENERAL MOTORS CORP.
  9. Draw the camshaft sprocket onto the camshaft using the mounting bolt.
  10. Coat the crankshaft and camshaft sprocket with engine oil.

    Tighten 

    Tighten the bolt to 140 N.m (103 lb ft).

  11. Install the engine front cover. Refer to Engine Front Cover Replacement .
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