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:
SiriusXM Radio Messages
UPDATING: The encryption code in the receiver is being updated, and no action
is required. This process should take no longer than 30 seconds.
NO SIGNAL: The system is functioning correctly, but the vehicle is in a location
that is blocking the SiriusXM signal. When the vehicle is moved into an ...
Winter Tires
This vehicle was not originally equipped with winter tires. Winter tires are
designed for increased traction on snow and ice-covered roads. Consider installing
winter tires on the vehicle if frequent driving on ice or snow covered roads is
expected. See your dealer for details regarding winter ...
Brake Pedal Pushrod Inspection
Disconnect the brake pedal pushrod (2) from the brake pedal.
Reposition the pedal pushrod boot (1) toward the front of the vehicle to
expose as much of the pedal pushrod (2) as possible.
Inspect the brake pedal pushrod (2) for straightness.
If the brake p ...
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