If wheels or tires are installed that are a different size than the original equipment wheels and tires, vehicle performance, including its braking, ride and handling characteristics, stability, and resistance to rollover may be affected. If the vehicle has electronic systems such as antilock brakes, rollover airbags, traction control, electronic stability control, or All-Wheel Drive, the performance of these systems can also be affected.
Warning
If different sized wheels are used, there may not be an acceptable level of performance and safety if tires not recommended for those wheels are selected. This increases the chance of a crash and serious injury. Only use GM specific wheel and tire systems developed for the vehicle, and have them properly installed by a GM certified technician.
See Buying New Tires and Accessories and Modifications.
Buying New Tires
Uniform Tire Quality GradingWheels and Trim—Aluminum or Chrome
Use a soft, clean cloth with mild soap and water to clean the wheels. After rinsing
thoroughly with clean water, dry with a soft, clean towel. A wax may then be applied.
Caution
Chrome wheels and other chrome trim may be damaged if the vehicle is not washed
after driving on roads that have bee ...
Wheel Alignment - Steering Wheel Angle and/or Front Toe Adjustment
Ensure that the steering wheel is set in a straight ahead position.
Loosen the tie rod jam nut (1).
Adjust the toe to specification by turning the inner tie rod (2). Refer
to Wheel Alignment Specifications.
Caution: Refer to Fastener Caution.
Tighten the t ...
Cylinder Head Cleaning and Inspection
Valve Cleaning and Inspection
Warning: Bodily injury may occur if the cleaning solvent is
inhaled or exposed to the skin.
Note: Do not scratch the valve stem with the wire brush.
Clean the valves of carbon, oil and varnish. Carbon can be remove ...