GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    • J 39411 Flywheel Holder
    • J 38416-B Crankshaft Balancer Remover
    • J 39344 Crankshaft Balancer Installer
  1. Release the tension from the accessory drive belt.
  2. Remove the accessory drive belt. Refer to Drive Belt Replacement
  3. Raise the vehicle on the hoist.
  4. Remove the right front wheel. Refer to Wheel Replacement in Tires and Wheels.
  5. Remove the two splash shields from the wheelhouse. Refer to Splash Shield Replacement in Tires and Wheels.

  6. Object Number: 62338  Size: SH
  7. Remove the brace between the engine oil pan and the transmission case.
  8. Install flywheel holder J 39411 .
  9. Remove the crankshaft balancer bolt.
  10. Support the engine cradle with the tall screw jack.
  11. Remove three engine cradle bolts at the right of the cradle.
  12. Disconnect the RSS sensor from the right side lower control arm.
  13. Lower the engine cradle to obtain clearance for the J 38416-B below the body rail.

  14. Object Number: 52031  Size: SH
  15. Install pilot J 39344 into end of crankshaft.
  16. Remove the crankshaft balancer using the J 38416-B .

Installation Procedure

  1. Position the crankshaft balancer to the crankshaft.

  2. Object Number: 62339  Size: SH
  3. Install the crankshaft balancer using the J 39344 .
  4. Thoroughly clean the crankshaft balancer bolt threads.
  5. Apply engine oil to the threads.
  6. Install the crankshaft balancer bolt.
  7. Tighten
    Tighten the crankshaft balancer bolt to 50 N·m (37 lb ft).

    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.

  8. The balancer bolt must be tightened an additional 120 degrees. Make a mark on the balancer bolt flange in line with the center line of one of the balancer legs.
  9. Raise the engine cradle into position.
  10. Install three cradle bolts.
  11. Tighten
    Tighten the bolts to 100 N·m (74 lb ft).

  12. Reconnect the suspension position sensors to the lower control arms.
  13. Remove the J 39411 .
  14. Install the oil pan to transmission brace.
  15. Tighten
    Tighten the four bolts to 50 N·m (37 lb ft).

  16. Install the wheel hose splash shields. Refer to Splash Shield Replacement in Tires and Wheels.
  17. Install the right front wheel. Refer to Wheel Replacement in Tires and Wheels.
  18. Lower the vehicle.
  19. Install the accessory drive belt. Refer to Drive Belt Replacement .