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:
Front Side Door Lock Cylinder Coding (Non Free Wheeling)
The door lock cylinder uses 8 of the 8?€‰cut positions. The tumbler positions
are staggered from side to side, 4 on one side and 4 on the other, are not self-retaining,
and are not snap in.
Note: All lock cylinders for side milled keys have right and left
tumblers. The locat ...
Thrust Washer and Bearing Cleaning and Inspection
Warning: Wear safety glasses to avoid injury when using compressed
air or any cleaning solvent. Bodily injury may occur if fumes are inhaled
or if skin is exposed to chemicals.
Caution: Do not allow the bearings to spin. Turn them slowly by
hand. Spinning the beari ...
Main Shaft Assemble (Gen 2)
Special Tools
3-0207944 Main Shaft Tapered Bearing Insert Tool
For equivalent regional tools, refer to Special Tools.
Install the 4th gear bearing assembly (1).
in!i.l.i-if
Note: The 3rd gear blocking ring lugs must be aligned with the
3rd/4th gear synchronizer ass ...
© 2014-2025 Copyright www.csmans.com

0.0091