Mazda RX-8 Workshop Manual page 2271

CAUTION:
Be sure to install the overflow plug gasket in the correct direction as shown in the figure
12. If ATF dripping is verified, install a new overflow plug gasket and overflow plug.
Tightening torque
17.5—22.5 N·m {1.8—2.2 kgf·m, 13.0—16.5 ft·lbf}
13. Wipe off any ATF drips after tightening the overflow plug.
14. Lower the vehicle.
ATF Temperature Verification
Using the M-MDS
1. Connect the M-MDS to the vehicle DLC-2.