GM Service Manual Online
For 1990-2009 cars only

    Important: Before installing the crankshaft balancer, check the oil seal contact area for grooving and roughness. Replace the crankshaft balancer if necessary.


    Object Number: 59837  Size: SH
  1. Tap the crankshaft balancer into place with a mallet.
  2. Make sure that the key is in place.
  3. Make sure that the crankshaft balancer is completely installed on the crankshaft.
  4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Install the bolt and the washer.
  6. Tighten
    Tighten the bolt to 270 N·m (200 lb ft).


    Object Number: 70257  Size: SH
  7. Install the crankshaft pulley and bolts.
  8. Tighten
    Tighten the crankshaft pulley bolts to 50 N·m (37 lb ft).