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:

Brake System Warning Light
The vehicle brake system consists of two hydraulic circuits. If one circuit is not working, the remaining circuit can still work to stop the vehicle. For normal braking performance, both circuits need to be working If the warning light comes on, there is a brake problem. Have the brake system ...

Special Tools
Illustration Tool Number/ Description EL?€‰38826 J?€‰38826 KM?€‰799-3 SIR Deployment Harness EL?€‰39401-B J?€‰39401-B SIR Deployment Fixture ...

Low and Reverse Clutch Assembly and Low and Reverse Clutch Plate Installation
Low and Reverse Clutch Assembly and Low and Reverse Clutch Plate Installation Callout Component Name 1 Low and Reverse Clutch Assembly (OWC) Note: The Low and Reverse Clutch Assembly should rotat ...

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