Mazda RX-8 Workshop Manual page 1441

(See Rear Lateral Link (Upper) Ball Joint Removal
2Rear lateral link (upper)
3Dust boot
(See Dust Boot Installation
Rear Lateral Link (Upper) Ball Joint Removal Note
1. Using the SST, disconnect the rear lateral link (upper) ball joint.
NOTE:
When removing the rear lateral link (upper) ball joint, the rear knuckle bushing
may also come off. If it comes off, replace the rear knuckle.
Dust Boot Installation Note
1. Wipe the grease off the ball joint stud.
2. Fill the inside of the new dust boot with grease.
3. Using the SST, install the dust boot to the ball joint.
Note.)
Note.)