2008 Honda S2000 Owner's Manual - Page 180

Main Menu Table Of Contents Differential Fluid FILLER BOLT Use an SAE 90 viscosity hypoid gear oil, API service classified GL5 or GL6 only. Put a new washer on the filler bolt, then reinstall the filler bolt. Tighten it securely. Tightening torque: 34 lbf·ft (46 N·m , 4.7 kgf·m) WASHER CORRECT LEVEL The differential should be drained and refilled with new fluid according to the intervals shown on the information display. Maintenance Check the fluid level with the differential at normal operating temperature and the vehicle sitting on level ground. Remove the differential fluid filler bolt and washer, and carefully feel inside the bolt hole with your finger. The fluid level should be up to the edge of the bolt hole. If it is not, slowly add fluid until it starts to run out of the hole. If you are not sure how to check and add fluid, contact your dealer. 2008 S2000 177