GM Service Manual Online
For 1990-2009 cars only

Crankshaft Balancer Removal without RPO HP2

Tools Required

    • J-41816 Crankshaft Balancer Remover
    • J 41816-2 Crankshaft End Protector
    • J 42386-A Flywheel Holding Tool

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 260126  Size: SH

    Important: 

       • Do not use the crankshaft balancer bolt again. Install a NEW crankshaft balancer bolt during final assembly.
       • Ensure the teeth of the flywheel holding tool mesh with the teeth of the engine flywheel.

  1. Install the J 42386-A and bolts.
  2. Use 1 M10 - 1.5 x 120 mm and 1 M10 - 1.5 x 45 mm bolt for proper tool operation.

    Tighten
    Tighten the J 42386-A bolts to 50 N·m (37 lb ft).


    Object Number: 260154  Size: SH
  3. Remove the crankshaft balancer bolt.
  4. Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the balancer installation procedure.


    Object Number: 156164  Size: SH
  5. Use the J-41816 and the J 41816-2 in order to remove the crankshaft balancer.
  6. Remove the J 42386-A and bolts.

Crankshaft Balancer Removal RPO HP2

Tools Required

    • J-41816 Crankshaft Balancer Remover
    • J 41816-2 Crankshaft End Protector
    • J 46093 Rotor and Flex Plate Holding Tool

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1277133  Size: SH

    Important: 

       • On vehicles equipped with RPO HP2, the crankshaft balancer MUST be removed prior to removing the electric drive unit from the rear of the engine.
       • Do not use the crankshaft balancer bolt again. Install a NEW crankshaft balancer bolt during final assembly.

  1. Install the J 46093  (1) and bolts.
  2. The flange of the tool should locate into the hole in the flex plate.

    Use 2 M10 - 1.5 x 40 mm bolts for proper tool operation.

    Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 260154  Size: SH
  3. Remove the crankshaft balancer bolt.
  4. Do not discard the crankshaft balancer bolt. The balancer bolt will be used during the balancer installation procedure.


    Object Number: 156164  Size: SH
  5. Use the J-41816 and the J 41816-2 in order to remove the crankshaft balancer.
  6. Remove the J 46093 and bolts.