2004 Lexus SC 430 User Guide - Page 320
2004 Lexus SC 430 Manual
Page 320 highlights
CHASSIS - TIRES AND WHEELS Standard and run-flat tires: Tire size Tire inflation pressure Recommended cold tire inflation pressure 245/40ZR18 245/40ZR18 93Y Front 230 kPa (2.3 kgf/cm2 or bar, 33 psi) Rear 230 kPa (2.3 kgf/cm2 or bar, 33 psi) For sustained high speeds above 180 km/h (112 mph), in countries where such speeds are permitted by law, add 80 kPa (0.8 kgf/cm2 or bar, 12 psi) to the front tires and rear tires, but never exceed the maximum cold tire inflation pressure molded on the tire sidewall. 18 x 8 JJ 103 N·m (10.5 kgf·m, 76 ft·lbf.) T145/70R17 106M 420 kPa (4.3 kgf/cm2, 4.2 bar, 60 psi) 17 x 4T 103 N·m (10.5 kgf·m, 76 ft·lbf.) Wheel size Wheel nut torque Compact spare tire: Tire size Tire inflation pressure Wheel size Wheel nut torque NOTE: For complete information on tires (e.g. replacing tires or replacing wheels), see "Checking tire inflation pressure" through "Aluminum wheel precautions" on page 329 through 349. 326