GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Impala 🢒 Engine 🢒 Engine Mechanical - 4.8L, 5.3L, 6.0L, 6.2L, or 7.0L 🢒 Crankshaft Balancer Removal

Special Tools

    • EN 47699 Flywheel Holding Tool
    • J 41816 Crankshaft Balancer Remover
    • J 41816-2 Crankshaft End Protector

For equivalent regional tools, refer to Special Tools.


    Object Number: 1602753 Size: SH

    Note: Do not use the crankshaft balancer bolt again. Install a NEW crankshaft balancer bolt during final assembly.

  1. Install the EN 47699 tool  (2), spacer (1), and bolt (3) to the block and flex plate.

    2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 1602754 Size: SH
  2. Tighten the EN 47699 tool bolt (1) to 60 N·m (44 lb ft).

    3. Object Number: 1411870 Size: SH
  3. Remove the crankshaft balancer bolt (139).

    4. Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the balancer installation procedure.


    Object Number: 1411872 Size: SH
  4. Use the J 41816 remover  (1) and the J 41816-2 protector  (2) in order to remove the crankshaft balancer.

    5. Object Number: 1411874 Size: SH
  5. Remove the crankshaft balancer (138).
  6. Remove the EN 47699 tool , bolt, and spacer.