Porsche Carrera 911 997 owners manual page 242

text version of content this owner's manual page from owners manual to the vehicle Porsche Carrera 911, year of production 2004 - 2011:

Danger! Tire replacements If new tires are installed only on one axle, a notice- Risk of serious personal injury or death. able change in handling occurs due to the different Driving the vehicle with low tire pressure If in doubt, contact your Porsche dealer.tread depth of the other tires. increases risk of a tire failure and resulting Use only tire makes and types approved by This happens especially if only rear tires are re- loss of control. Furthermore, low tire pres-Porsche. placed. However, this condition disappears as the sure increases rate of wear of the affected new tires are broken in. tires. If you do not use a Porsche recommended f Please adjust your driving style accordingly. replacement tire, make sure that you f Check tires – including sidewalls – regularly for purchase your new tires from a reputable tire Installation of new tires should only be done by a foreign bodies, nicks, cuts, cracks and bulges.dealer and that the dealer complies with all qualified tire technician. f After driving off road, examine tires for signs manufacturers warnings for those tires. of damage such as cuts, tears, bulges or for- Valves Only tires with the same make and with the Rubber valve stems must be replaced every time eign objects stuck in the tread. Replace a dam-same specification code (e.g. “N0”, “N1”.) aged tire if necessary. can be mounted. a tire is replaced. f Cross curb edges slowly and at right angles if For metal valves, the installation and replacement possible. Before mounting new tires, check with your instructions must be observed. Avoid driving over steep or sharp curbs.Porsche dealer about the current release f Use only genuine Porsche metal valves. status. f Protect the valve inserts against soiling with f In cases of doubt, have the wheel (particularly Use tires with “ZR” quality standards. There the inner side) checked by an authorized are currently no standards concerning tire valve caps. Porsche dealer. strength at speeds above 150 mph (240 km/h). Soiled valve inserts can cause a gradual loss of air. Tires should be replaced no less than on one axle f Use only plastic valve caps. at the time. Only tires of the same make and type must be used. Mixed tires are not permissible. Initially, new tires do not have their full traction. You should therefore drive at moderate speeds during the first 60 - 120 miles (100 - 200 km). 240 Practical Tips, Emergency Service

owners manual Porsche Carrera 911

owners manual Porsche Carrera 911 - year of production: 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 - Porsche Carrera 911 997 owners manual EN