GM Service Manual Online
For 1990-2009 cars only

    Object Number: 354018  Size: SH
  1. Clean the crankshaft balancer (1) in solvent.
  2. Caution: Wear safety glasses in order to avoid eye damage.

  3. Dry the crankshaft balancer with compressed air.
  4. Inspect the crankshaft balancer for the following:
  5. • Worn or damaged bolt hole thread(s)
    • Worn, grooved, or damaged hub seal surface
       - Minor imperfections on the hub seal surface may be removed with a polishing compound or fine grade emery cloth.
       - A crankshaft balancer hub seal surface with excessive scoring, grooves, rust, or other damage must be replaced.
    • Worn, chunking, or deteriorated rubber between the hub and pulley
    • Worn or damaged keyway (2)
  6. Repair or replace the crankshaft balancer as necessary.