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:
Selecting a Station
Seek Tuning
If the radio station is not known:
Briefly press SEEK or
SEEK to automatically search for the
next available station. If a station is not found, the radio switches to a more
sensitive search level. If a station still is not found, the frequency that was
last active begins to p ...
Backup Lamp Bulb Replacement (Sedan)
Backup Lamp Bulb Replacement
Callout
Component Name
Preliminary Procedure
Remove the tail lamp assembly. Refer to Tail Lamp Replacement.
1
Back Up Lamp Bulb Socket
Procedure
Rotate the back u ...
Oil Pressure Relief Valve Replacement
Removal Procedure
Remove the oil pan. Refer to Oil Pan Replacement.
Remove the oil pressure relief valve closure bolt (1).
Remove the oil pressure relief valve assembly (2).
Separate the piston (3) and the spring (4).
Warning: Bod ...
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