Chevrolet Sonic manuals

Chevrolet Sonic Repair Manual: Crankshaft Balancer Installation

Chevrolet Sonic Repair Manual / Powertrain / Engine / Engine Block / Cylinder Block / Crankshaft Balancer Installation

Special Tools

For equivalent regional tools, refer to Special Tools.



    Note:

    The crankshaft balancer flange must fit to the hexagon of the oil pump rotor (2) and to the two-flat of the crankshaft (1).

  1. Install the crankshaft balancer by carefully pressing into position.

  2. Measure the distance a

    between the crankshaft balancer (2) and the engine front cover (1). The distance a

    should be 5.5 mm (0.21654 in).

  3. Note:

    Never re-use the crankshaft balancer bolt.

  4. Install a NEW crankshaft balancer bolt.

  5. Caution:

    Refer to Fastener Caution.

    Caution:

    Refer to Torque-to-Yield Fastener Caution.

  6. Tighten the crankshaft balancer bolt (4) while holding the crankshaft balancer (3) with EN-49979 retainer (1) and EN-956?E extension (2) in the following order:
    1. Tighten the crankshaft balancer bolt to 150 Y (111 lb ft)

      .

    2. Tighten the crankshaft balancer bolt to an additional 45 degrees

      , using EN-470–B wrench.

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