Chevrolet Sonic Repair Manual: Crankshaft Balancer Replacement
Special Tools
- EN-470–B Angular Torque Wrench
- EN-49979 Crankshaft Shock Mount Retainer
For equivalent regional tools, refer to Special Tools.
- Removal Procedure
-
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
- Remove front wheelhouse liner extension right side. Refer to Front Wheelhouse
Liner Inner Front Extension Replacement.
- Remove the drive belt. Refer to Drive Belt Replacement.
- Place collecting basin underneath.
Note:
The crankshaft balancer can be incorrectly installed
180° from the required position. Be sure to note the location of the
alignment hole on the crankshaft balancer prior to removing the crankshaft
balancer from the engine.
- Rotate the engine clockwise until the bore (2) in the crankshaft balancer
aligns with the mark (1) on the engine front cover.
- Install EN-49979 crankshaft shock mount retainer (1) to suitable tool
(2).
- Loosen the crankshaft balancer bolt (4) while holding the crankshaft
balancer (3).
- Remove and DISCARD the crankshaft balancer bolt (2).
- Remove the crankshaft balancer (1).
- Installation Procedure
-
Note:
The crankshaft balancer flange must fit to the hexagon
of the oil pump rotor (2) and to the two-flats of the crankshaft (1).
The TDC markings on crankshaft balancer and engine front cover must
match.
- Install the crankshaft balancer carefully by pressing into position.
- Measure the distance (a) between the crankshaft balancer (2) and the
mark on 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) to 150 N•m (111 lb ft) while
holding the crankshaft balancer (3) with EN-49979 crankshaft shock mount
retainer (1) and suitable tool (2). Use EN-470-B wrench .
- Tighten the crankshaft balancer bolt to an additional 60°
.
- Install the drive belt. Refer to Drive Belt Replacement.
- Install the front wheelhouse liner extension right side. Refer to Front
Wheelhouse Liner Inner Front Extension Replacement.
- Lower the vehicle.
- Check and correct engine oil level.
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 ...
Note: The crankshaft position sensor system variation learn procedure
is required when the following service procedures have been performed, regardless
of whether DTC P0315 is set:
...
Other materials:
Special Tools
Illustration
Tool Number/ Description
CH 28662
J 28662
Brake Pedal Effort Gauge
CH 29532
J 29532
Diaphragm Pressure Bleeder
CH̴ ...
Aluminum Wheel Refinishing
Finish Damage Evaluation Procedure
Note:
If the wheels are chrome-plated, do not re-plate or refinish
the wheels.
If the wheels are polished aluminum, do not refinish the wheels
in the dealer environment. Utilize a refinisher that meets manufacturer
...
Fuel Feed Pipe Replacement
Removal Procedure
.-
Remove the fuel feed pressure sensor. Refer to Fuel Pressure Sensor
Replacement - Fuel Feed Pipe.
Disconnect the fuel feed pipe (1). Refer to Plastic Collar Quick Connect
Fitting Service.
Remove the plastic retainer (1) ...
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