Coach Dave Rennie has included blindside flanker Lachie Swinton and lock Matt Philip in the pack to increase the competitiveness of the Wallabies in the breakdown phases and defensive areas of the game.
Matt To'omua has returned at second five-eighths and will offer goal-kicking back-up should first five-eighths Noah Lolesio still be having accuracy problems. Wing Marika Koroibete has also returned after his suspension.
"We felt that for a 15-minute spell we lost all the collisions, and if you do that against the All Blacks you're going to concede points. To beat New Zealand, you have to win the collisions and be clinical for 80 minutes, and we didn't do that," Rennie said.
"We've got plenty of respect for the All Blacks. We don't fear them though.
"We've got a lot more in us, and we'll show that on Saturday night," he said.
Australia needed to go at the All Blacks, and to get into their faces for 80 minutes, something that Swinton and Philip should be able to do. Backed by the front row experience of props James Slipper and Allan Alaalatoa, Rennie felt they had the players to do the job asked.
"We've picked Lachie for a reason. He played very well in the third Test against France. He's got a reputation as being reckless, but that's far from the case. He will bring an edge, that's important for us," he said.
Back at No8 to accommodate Swinton, Rob Valentini said the Australians were guilty of showing the All Blacks too much respect in the first Test.
"We were dipping our toes in last week at little bit, and respecting them a little bit in the game. This week we need to take it to them," he said.
"We can't wait 20 minutes into the game and start playing rugby. They've thrown the first punch last week. This week we want to control the game and not take a backward step."
Rennie said Koroibete was jumping out of his skin to play.
"He's right up there in terms of elite rugby players in the world. Incredibly quick, very physical. He's not a big man, but he's made of concrete. He hits hard and carries hard," he said.
The Wallabies side is:
1: James Slipper 2: Brandon Paenga-Amosa 3: Allan Alaalatoa 4: Darcy Swain 5: Matt Philip 6: Lachlan Swinton 7: Michael Hooper (c) 8: Rob Valetini 9: Tate McDermott 10: Noah Lolesio 11: Marika Koroibete 12: Matt Toomua 13: Hunter Paisami 14: Andrew Kellaway 15: Tom Banks
RESERVES: Jordan Uelese, Scott Sio, Taniela Tupou, Lukhan Salakaia-Loto, Harry Wilson, Nic White, Matt Len Ikitau, Reece Hodge