Looks like most AU problems are here. Mine over the last 5 years. AU2 2000 Wagon.
Valve regression- New head $1500.
Door actuators (2) $120
Speakers( seperated(2) ebay $15
Rear g/box seal $80
Front rotors New $220. maching X 2 $80
Hand brake looses adjustment quickly.
An odd fault ## passenger door windows rattle down(always check before car wash)