Mazda RX-8 Workshop Manual page 2179

Transmission Removal Note
WARNING:
Remove the transmission carefully, holding it steady. If the transmission falls it could be damaged or cause injury.
CAUTION:
To prevent part interference in the engine compartment, position the installation part of the exhaust manifold stay of the
front pipe on the transverse member to control the inclination of the transmission under its own weight.
1. Support the transmission securely using a transmission jack.
2. Remove the transmission installation bolt.
3. Remove the transmission.
Transmission Installation Note