LEMON Manuals: Even more car manuals for everyone
Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 356 (Engine Mechanical - 3.1L V6 - VIN (J) (On-Vehicle)) >> Repair Instructions >> Timing Chain and Sprockets Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 Buick Century. 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. Rotate the crankshaft until the timing marks in the following locations are aligned:
    • The timing chain dampener to the crankshaft sprocket (2).
    • The timing chain dampener to the camshaft sprocket locator hole (1).
      • Fig 1: Aligning Timing Marks
      G01763637Courtesy of GENERAL MOTORS CORP.
  3. Remove the camshaft sprocket bolt.
    Fig 2: Camshaft Sprocket Bolt
    G01763638Courtesy of GENERAL MOTORS CORP.
  4. Remove the camshaft sprocket with the timing chain.
    Fig 3: Camshaft Sprocket With The Timing Chain
    G01763639Courtesy of GENERAL MOTORS CORP.
  5. Use the J 5825-A in order to remove the crankshaft sprocket.
    Fig 4: Crankshaft Sprocket
    G01763640Courtesy of GENERAL MOTORS CORP.
  6. Remove the timing chain dampener bolts.
  7. Remove the timing chain dampener.
    Fig 5: Timing Chain Dampener And Bolts
    G01763641Courtesy of GENERAL MOTORS CORP.
  8. If necessary remove the camshaft thrust plate bolts.
  9. Remove the camshaft thrust plate.
    Fig 6: Camshaft Thrust Plate And Bolts
    G01763642Courtesy of GENERAL MOTORS CORP.
  10. Clean and inspect the timing chain and gears. Refer to TIMING CHAIN AND SPROCKETS CLEANING AND INSPECTION .
scientia non olet · About LEMON Manuals