2008 Nissan 350Z Owner's Manual - Page 268

3. Remove the gauge. 4. Read the tire pressure on the gauge stem and compare it to the specification shown on the Tire and Loading Information label. 5. Add air to the tire as needed. If too much air is added, press the core of the valve stem briefly with the tip of the gauge stem to release pressure. Recheck the pressure and add or release air as needed. SDI1949 Coupe model Front Original Tire Rear Original Tire Spare Tire Size 225/45R18 245/40R18 245/45R18 265/35R19 T145/80D17 Cold Tire Inflation Pressure 240 kPa (35 psi) 240 kPa (35 psi) 420 kPa (60 psi) Cold Tire Inflation Pressure 240 kPa (35 psi) 240 kPa (35 psi) 420 kPa (60 psi) 8-33 Checking the tire pressure 1. Remove the valve stem cap from the tire. 2. Press the pressure gauge squarely onto the valve stem. Do not press too hard or force the valve stem sideways, or air will escape. If the hissing sound of air escaping from the tire is heard while checking the pressure, reposition the gauge to eliminate this leakage. 6. Install the valve stem cap. 7. Check the pressure of all other tires, including the spare. Roadster model Front Original Tire Rear Original Tire Spare Tire Size 225/45R18 245/45R18 T145/80D17 Maintenance and do-it-yourself