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The Wallabies condemned South Africa to a third straight Tri-Nations defeat with a convincing 30-13 win on Saturday.
The world champions' hopes of retaining the southern hemisphere championship suffered another heavy blow as they were outplayed in a frenetic Test match punctuated by three yellow cards.
Australia's winning margin would have been greater but for profligate finishing which cost them the chance of landing a four-try bonus point to keep in touch with series leaders New Zealand, who they face in Melbourne next week.
For all the Wallabies' dominance, they had only tries from Drew Mitchell and Will Genia to show for their efforts, while the Springboks also crossed the line twice, their first tries in five matches at Lang Park.
"We created some opportunities that we didn't finish and that's always frustrating," Wallabies' coach Robbie Deans said. "You don't get many chances in Tri-Nations' rugby but the boys created a few and that was good, we didn't profit as much as we would have liked, but they kept at it."
Australia are now unbeaten against South Africa in seven Tests at Lang Park -- the Springboks last won in Brisbane 39 years ago at the Exhibition Ground across town.
"We are very aware of what we have to do over the next three or four weeks before we get our next chance to rectify things," Springbok skipper John Smit said.
