2009 Mazda CX-9 Owner's Manual - Page 448

Maintenance and Care Owner Maintenance NOTE l l l l l l l Always check tire pressure when tires are cold. Warm tires normally exceed recommended pressures. Don't release air from warm tires to adjust the pressure. Underinflation can cause reduced fuel economy, uneven and accelerated tire wear, and poor sealing of the tire bead, which will deform the wheel and cause separation of tire from rim. Overinflation can produce a harsh ride, uneven and accelerated tire wear, and a greater possibility of damage from road hazards. Keep your tire pressure at the correct levels. If one frequently needs inflating, have it inspected. Improper wheel alignment Out-of-balance wheel Severe braking After rotation, inflate all tire pressures to specification (page 10-6) and inspect the lug nuts for tightness. CAUTION Rotate unidirectional tires and radial tires that have an asymmetrical tread pattern or studs only from front to rear, not from side to side. Tire performance will be reduced if rotated from side to side. CAUTION Limited-Slip Differential system; don't use the following: Ø Tires not of the designated size Ø Tires of different sizes or types at the same time Ø Tires not sufficiently inflated If these instructions aren't followed, the rotation of the left and right wheels will be different and will thus apply a constant load on the limitedslip differential. This will cause a malfunction. qTire Rotation To equalize tread wear, rotate the tires if irregular wear develops. According to the scheduled maintenance charts.Refer to Scheduled Maintenance on page 8-3. During rotation, inspect them for correct balance. qReplacing a Tire WARNING Forward Do not include (TEMPORARY USE ONLY) spare tire in rotation. Also, inspect them for uneven wear and damage. Abnormal wear is usually caused by one or a combination of the following: l Always use tires that are in good condition: Driving with worn tires is dangerous. Reduced braking, steering, and traction could result in an accident. Incorrect tire pressure 8-34