Chevrolet Sonic Repair Manual: Tire and Wheel Balancing (Balancing/Wheel Weights)
- Use 3M wheel weights, refer to Adhesives, Fluids, Lubricants, and Sealers for application.
- Surface of the wheel must be clean and dry.
- All tire and wheel assemblies are to be checked for static tolerance of 2 grams and not more than 20 grams per plane, using cut-to-length weight produced by 3M cutting machine.
- Car - Flanged - inboard & outboard – 71 grams per plane.
- Truck - Flanged - inboard & outboard – 142 grams per plane.
- Car - Flangeless - inboard & outboard – 142 grams per plane.
- Truck - Flangeless - inboard & outboard – 170 grams per plane.
- Deflate the reject tire/wheel assembly and break tire bead seat on wheel.
- Remove any existing correction weights.
- Rotate tire 180 degrees on wheel of reject tire/wheel assembly.
- Soap tire and wheel. Re-inflate tire/wheel assembly and balance and ensure uniformity is below specifications.
- If the/wheel assembly is rejected again, remove the tire from wheel and check static balance of wheel.
- If static wheel imbalance is less than 28 grams, return wheel to production and return tire to the supplier for excessive imbalance.
- After balance is complete, re-measure balance to make sure the specifications are met.
Tire Terminology and Definitions
Air Pressure
The amount of air inside the tire pressing outward on each square inch
of the tire. Air pressure is expressed in kPa (kilopascal) or psi (pounds per
square inch).
Acc ...
Tire and Wheel Balancing (Collet Cone Selection)
Important: Never use the hub cap bore to center the wheel onto
the balancer. The pilot bore (on the hub side of the wheel) is machined
to be concentric to very tight non - standard tole ...
Other materials:
Battery Charging
Special Tools
EL 50313 Battery Tester
For equivalent regional tools, refer to Special Tools.
Diagnostic Aids
For best results, use an automatic taper-rate battery charger with a
voltage capability of 16 V.
The charging area should be well ventilated.
Do not charge a bat ...
Air Intake System Description
Circuit/System Description
The primary function of the air intake system is to provide filtered air
to the engine. The system uses a filter element mounted in a housing. The filter
housing is remotely mounted and uses intake ducts to route the incoming air
into the throttle body. T ...
Transmission Mount Bracket Replacement - Rear
Removal Procedure
Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
Remove the front suspension skid plate, if equipped.
Refer to Drivetrain and Front Suspension Frame Skid
Plate Replacement.
Using a suitable jack stand, support the rear of the ...
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