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:
Immobilizer Operation
This vehicle has a passive theft-deterrent system.
The system does not have to be manually armed or disarmed.
The vehicle is automatically immobilized when the key is removed from the ignition.
The system is automatically disarmed when the vehicle is started with the correct
key. The key uses a ...
Fog Lamps (RS)
To replace the front fog lamp bulb:
1. Locate the fog lamp located under the front fascia.
2. Remove the cap from the back of the fog lamp assembly.
3. Disconnect the electrical connector from the fog lamp bulb assembly.
4. Remove the bulb by turning it counterclockwise and pulling it straight ...
Fuel Pressure Sensor Replacement - Fuel Feed Pipe
Fuel Pressure Sensor Replacement - Fuel Feed Pipe
Callout
Component Name
Preliminary Procedure
Relieve the fuel system pressure. Refer to
Fuel Pressure Relief.
Remove the air cleaner assembly. Refer to
Air Cleaner Asse ...
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