Springbok assistant coach Matt Proudfoot said the South Africans are expecting a huge challenge from the Wallaby pack.
The two teams meet in the third round of the Rugby Championship at the Suncorp Stadium in Brisbane on Saturday.
Proudfoot, a former Scotland front-row international said he is expecting the Wallabies to be very competitive in all set-piece departments.
"Australian line-outs have been exceptional throughout the years and their scrums and defensive breakdowns are very good, so we know upfront it’s going to be a tough challenge," said Proudfoot.
"Test matches are determined by small margins so we therefore have to ensure that we are accurate in our execution, in all departments."