Chevrolet Sonic Repair Manual: Crankshaft Balancer Installation

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

Special Tools

EN-470–B Angular Torque Wrench
EN-956?E Extension
EN-49979 Crankshaft Shock Mount Retainer

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).

Install the crankshaft balancer by carefully pressing into position.

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).

Note:

Never re-use the crankshaft balancer bolt.

Install a NEW crankshaft balancer bolt.

Caution:

Refer to Fastener Caution.

Caution:

Refer to Torque-to-Yield Fastener Caution.

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:

Tighten the crankshaft balancer bolt to 150 Y (111 lb ft)
.
Tighten the crankshaft balancer bolt to an additional 45 degrees
, using EN-470–B wrench.

Crankshaft Sprocket Replacement

Crankshaft Sprocket Replacement Callout Component Name Preliminary Procedure Remove the timing belt. Refer to Timing Belt Repla ...

Crankshaft Balancer Removal

Special Tools EN-652 Flywheel Holder For equivalent regional tools, refer to Special Tools. Install the EN-652 holder (1). Lock the flywheel (2) or the automatic transmis ...

Other materials:

Engine Oil Pressure Light
Caution Lack of proper engine oil maintenance can damage the engine. Driving with the engine oil low can also damage the engine. The repairs would not be covered by the vehicle warranty. Check the oil level as soon as possible. Add oil if required, but if the oil level is within the operating ...

Headlamp High/Low-Beam Changer
(Headlamp High/Low-Beam Changer): Push the turn signal lever away from you to turn the high beams on. Push the lever again or pull the lever toward you to return to low beams. This indicator light turns on in the instrument cluster when the high-beam headlamps are on. ...

Rear Seat Back Bolster Replacement
Rear Seat Back Bolster Replacement Callout Component Name Preliminary Procedures Disable the SIR system. Refer to SIR Disabling and Enabling 1 Rear Seat Back Cushion Bolster Warning: Refer t ...

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