Chevrolet Sonic Repair Manual: Tread Wear Indicators Description
The original equipment tires have tread wear indicators that show when you should replace the tires.
The location of these indicators are at 60 degree intervals around the outer diameter of the tire. The indicators appear as a 6 mm (0.25 in) wide band when the tire tread depth becomes 1.6 mm (2/32 in).
Tires and Wheels Description and Operation
There are two types of tire and wheel balancing: static and dynamic.
Static balance is the equal distribution of weight around the wheel. Assemblies
that are statically unbalanced cause a bouncing ...
Valve Stem Oil Seal and Valve Spring Replacement
Special Tools
207649 Rod Hairpin Clips
547324 Flange Screws
EN-840 Pliers / Remover
EN-958 Installer
EN-45059 Angle Meter
EN-50717 Kit
J-43649–2 Rods
For equivalent regional ...
Other materials:
Front Side Door Weatherstrip Replacement - Body Side
Front Side Door Weatherstrip Replacement - Body Side
Callout
Component Name
Preliminary Procedures
Remove the upper center pillar trim. Refer to Center Pillar Upper
Trim Panel Replacement.
Remove the lower center pillar t ...
Engine Replacement (Automatic Transmission)
Special Tools
J-45859 Wheel Drive Shaft Remover
CH-807 Closure Plugs
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Remove the battery and battery tray. Refer to Battery Tray Replacement.
Relieve the fuel system pressure. Refer to Fuel Pressur ...
Piston, Connecting Rod, and Bearing Installation
Special Tools
EN-470-B Angular Torque Wrench
For equivalent regional tools, refer to Special Tools.
Adjust the piston ring joints as follows:
Upper compression ring (1).
Lower compression ring (4).
Oil rings (2) or (3).
Oil ring spacer (5). ...
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