“It’s a pretty nice wicket, taking a bit of spin and starting to break down with a bit of (foot) traffic, but still good to bat on,” Hazlewood told the host broadcaster during the drinks break.
Off-spinner Nathan Lyon was brought into the bowling attack in the eighth over.
He surprised Sarel Elway, who did not play a shot, and was bowled at the top of the off stump for 18, leaving the tourists at 37-2 in the 18th over.
Four balls later Pat Cummins claimed the wicket of number three Heinrich Klaasen, caught on the leg side by Carey for two.
Australia have 59 overs to bowl on Saturday and potentially 98 overs on Sunday’s final day for a total of 157 overs to bowl South Africa out twice.