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:
Horn Replacement
Horn Replacement
Callout
Component Name
Preliminary Procedure
Remove the front wheelhouse liner front. Refer to Front Wheelhouse Liner
Replacement.
1
Horn Nut
Caution: Refer to Fastener ...
Steering Linkage Outer Tie Rod Replacement
Steering Linkage Outer Tie Rod Replacement
Callout
Component Name
Preliminary Procedures
Raise and support the vehicle. Refer to Lifting and Jacking the
Vehicle.
Remove the front tire and wheel assembly. Refer to Tire and ...
Low and Reverse and 1-2-3-4 Clutch Housing, and 1-2-3-4 Clutch Plate Installation
(6T30)
Low and Reverse and 1-2-3-4 Clutch Housing, and 1-2-3-4 Clutch Plate
Installation
Callout
Component Name
1
Low and Reverse and 1??? Clutch Housing
Note: The longer legs face the bottom of the case and the
...
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