Volvo S90 V90 960 owners manual page 85

text version of content this owner's manual page from owners manual to the vehicle Volvo S90, year of production 1990 - 1998:

1998 Volvo S90 recommended on the tire information label* located on the rear facing side on the right front door. This label lists both tire and vehicle design limits. Do not load your car beyond the load limits indicated. *Please note that the tire information label indicates pressures for both comfort and fuel economy. Wheels and tires (cont.) pg. 75 Uniform tire quality grading TEMPERATURE The temperature grades are AA (the highest), A, ALL PASSENGER CAR TIRES MUST B, and C, representing the tire's resistance to the CONFORM TO FEDERAL SAFETY generation of heat and its ability to dissipate heat REQUIREMENTS IN ADDITION TO THESE when tested under controlled conditions on a GRADES specified indoor laboratory test wheel. Sustained high temperature can cause the material of the tire TREADWEAR to degenerate and reduce tire life, and excessive The treadwear grade is a comparative rating based temperature can lead to sudden tire failure. The on the wear rate of the tire when tested under grade C corresponds to a level of performance controlled conditions on a specified government which all passenger car tires must meet under the test course. For example, a tire graded at 150 Federal Motor Safety Standard No. 109. Grades B would wear one and one half (1 1/2) times as well and A represent higher levels of performance on on the government course as a tire graded 100. the laboratory test wheel than the minimum The relative performance of tires depends upon required by law. the actual conditions of their use, however, and many depart significantly from the norm due to WARNING!The temperature grade for this variation in driving habits, service practices and tire is established for a tire that is properly differences in road characteristics and climate. inflated and not overloaded. Excessive speed, TRACTION underinflation, or excessive loading, either The traction grades, from highest to lowest, are separately or in combination, can cause heat AA, A, B, and C, as measured under controlled buildup and possible tire failure. conditions on specified government test surfaces of asphalt and concrete. A tire marked C may have poor traction performance. file:///K|/ownersdocs/1998/1998_SV90/98S90_071.htm (4 of 5)12/30/2006 1:52:44 PM

owners manual Volvo S90

owners manual Volvo S90 - year of production: 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998 - Volvo S90 V90 960 owners manual EN