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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 432 (Engine Mechanical - 2.2L (On-Vehicle)) >> Repair Instructions >> Crankshaft Balancer and Hub Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2002 GMC Sonoma and 2002 Chevrolet S10 Pickup. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the drive belt. Refer to Drive Belt Replacement .

    Important:  If only replacing the crankshaft pulley, do not remove the fan shroud and the engine cooling fan.

  2. Remove the fan shroud. Refer to FAN SHROUD REPLACEMENT .
  3. Remove the engine cooling fan. Refer to FAN CLUTCH REPLACEMENT .
  4. Raise and support the vehicle. Refer to LIFTING AND JACKING THE VEHICLE .
  5. Remove the crankshaft pulley bolts.
  6. Remove the hub bolt and washer from the crankshaft pulley.
  7. Remove the crankshaft pulley.
    Fig 1: Crankshaft Pulley, Bolts, Hub Bolt & Washer
    G01658889Courtesy of GENERAL MOTORS CORP.
    NOTE: To prevent damage to the end of the crankshaft when using a crankshaft balancer removal tool install a bolt in the crankshaft. Use a shorter bolt with the same threads as the crankshaft balancer bolt. This bolt will allow a place for the tool to push against. The shorter bolt is to keep from going past the threads in the crankshaft and damaging the crankshaft threads.
  8. Position the J 24420-C  puller tool onto the crankshaft hub.
    Fig 2: Positioning J 24420-C Puller Tool Onto Crankshaft Hub
    G01658890Courtesy of GENERAL MOTORS CORP.
  9. Turn the center puller screw clockwise in order to remove the hub from the crankshaft.
  10. Inspect the crankshaft hub for damage. Replace if necessary.
  11. Remove the key from the crankshaft.
  12. Inspect the crankshaft key for damage. Replace if necessary.
    Fig 3: Turning Center Puller Screw Clockwise
    G01658891Courtesy of GENERAL MOTORS CORP.
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