Chevrolet Sonic Repair Manual: Tires and Wheels Description and Operation (Tire Identification)
- Identification
-
- Accessory and warranty replacement must use TPC spec tires.
- An outboard orientation stripe is added to the tread surface, with an offset toward the outboard tire face.
- All GM approved tires (Production, Service and Accessory) have a TPC (Tire Performance Criteria) code.
- A replacement tire that lacks the original TPC code will not meet the performance characteristics of the original tire, even if it is the same brand, model and size.
- Force and Moment
- Residual Aligning Torque (RAT)
- Rolling Resistance
- Braking Traction
- Driving Traction
- Uniformity
- Noise
- Dimensions
- Mass
- Rev/KM
- High Speed
- Air Retention
- Electrical Resistance
- Automatic Mounting
- Endurance (ATE)
- Treadwear
- Chip/tear
- Groove Wander
- Ride and Handling
- Wet/Snow Handling
The TPC system facilitates tire replacement for GM customers on GM vehicle, meeting the same critical performance specifications of GM vehicle original equipment tires.
Tires and Wheels Description and Operation (Equipment)
GM Recommended Tire Balancer
Hunter RF33 Road Force balancer or equivalent with the following options:
Auto Clamp – allows for centering repeatability and prevent damage to
the ...
Toe Description
Toe is a measurement of how much the front and/or rear wheels are turned in or
out from a straight-ahead position. When the wheels are turned in, toe is positive (+).
When the wheels are ...
Other materials:
Trunk Release
To lock or unlock the trunk from the inside, press
or
on the central locking switch or on
the driver door switch.
To open the trunk from inside the vehicle press
.
To lock the trunk from the outside press
on the RKE transmitter.
To open the trunk from outside of the vehicle:
Pres ...
Instrument Panel Accessory Upper Trim Plate Replacement
Instrument Panel Accessory Upper Trim Plate Replacement
Callout
Component Name
Preliminary Procedure
Remove the instrument panel center molding. Refer to Instrument Panel
Center Molding Replacement.
1
...
Sunroof Housing Front Drain Hose Replacement
Sunroof Housing Front Drain Hose Replacement
Callout
Component Name
Preliminary Procedure
It is only necessary to lower the headliner. Only do those steps in the
headliner replacement procedure that will lower the headliner ...
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