One problem related to steering rack and pinion has been reported for the 2005 Mazda RX8. The most recently reported issues are listed below.
Tl the contact owns a 2005 Mazda RX-8. While driving 65 mph, the contact noticed that the power steering indicator illuminated and the steering wheel seized. The vehicle was pulled over to the side of the highway. The vehicle was turned off and then restarted approximately 20 times before the contact was able to regain full control. The dealer (midlands Mazda, 655 broad river rd, columbia, SC 29210) stated that the vehicle was known for having a ball joint issue and it could possibly be due to the rack and pinion. The manufacturer was not made aware of the failure. The failure mileage was 109,000.