2009 Volvo C30 Owner's Manual - Page 180
2009 Volvo C30 Manual
Page 180 highlights
07 Wheels and tires Tire rotation • Contact a Volvo workshop if you are unsure about the tread depth. an aid in detecting a suspension problem. Each tire, if left in place, tells a story about the suspension. Tire rotation, on the other hand, could make suspension wear harder to detect. Early detection is very important, because suspension problems can make tire wear worse. Tire rotation Your vehicle has no recommended tire rotation. The following information is intended to help you understand why. If you do rotate your tires... Please follow the tire manufacturer's recommendations, as outlined in the tire manufacturers tire warranty pamphlet. Your Volvo retailer can also provide guidance based on your particular driving circumstances. Tread set As a tire ages and the rubber cures, front and rear tires set at different angles. Therefore, if tires are rotated, the tread will eventually set at an angle that is a compromise. Even if ride, handling, and road noise may still seem acceptable, they may not be optimal. Further, tires that are rotated, but not on a regular basis, may actually cause more tire noise, faster tire wear, and unpleasant changes in steering feel and vehicle handling. A tire that can fully adapt to its position will provide better steering feel, lower tire noise, and better fuel economy. The arrows shows the direction of rotation of the tire Summer and winter tires • When switching between summer and winter tires, mark the tires to indicate where they were mounted on the car, e.g., LF = left front, RR = right rear G020325 • Tires with tread designed to roll in only one 07 Braking stability performance Your vehicle is driven mainly by the front tires, which will wear faster. This can be beneficial. Having more tread on the rear tires will help reduce oversteer. Oversteer is when a vehicle wants to keep turning because of momentum and dynamic forces on its suspension. direction are marked with an arrow on the sidewall. • Incorrectly mounted tires impair the car's braking properties and ability to force aside rain, snow and slush. • The tires with the most tread should always be at the rear (to reduce the risk of skidding). Suspension wear diagnostics Every suspension needs periodic inspection and maintenance. A tire's wear pattern can be 180