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:
Securing Child Restraints (Rear Seat)
When securing a child restraint in a rear seating position, study the instructions
that came with the child restraint to make sure it is compatible with this vehicle.
If the child restraint has the LATCH system, see Lower Anchors and Tethers for
Children (LATCH System) for how and where t ...
SIR Disabling and Enabling
SIR component location affects how a vehicle should be serviced. There are parts
of the SIR system installed in various locations around a vehicle. To find the location
of the SIR components refer to Supplemental Inflatable Restraint System Description
and Operation.
There are several reason ...
Transmission Mount Bracket Replacement - Rear
Removal Procedure
Raise and support the vehicle. Refer to
Lifting and Jacking the Vehicle.
Using a suitable jack stand, support the rear of the
transmission.
Remove and DISCARD the rear transmission mount bracket
to rear mount through bolt (1).
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