Chevrolet Sonic Repair Manual: Tires and Wheels Description and Operation (Tire Identification)

Chevrolet Sonic Repair Manual / Chassis / Wheels/Tires / Wheels / 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:

Headlamp Switch Replacement
Headlamp Switch Replacement Callout Component Name Preliminary Procedure Remove the instrument panel lower trim pad cover. Refer to Instrument Panel Lower Trim Pad Cover Replacement 1 Headlamp S ...

Liftgate Adjustment
Liftgate Adjustment Callout Component Name 1 Liftgate Caution: Refer to Fastener Caution. Procedure Loosen the 4 liftgate hinge bolts to adjust the liftgate. Adjust the liftgate in order to obtai ...

Front Wheel Drive Intermediate Shaft Replacement
Front Wheel Drive Intermediate Shaft Replacement Callout Component Name Preliminary Procedure Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the wheel drive shaft assembly from the vehicle ...

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