Sorry I don't know as I live on the G Coast. Try LVR, he lives in Melbourne and pops in to say hi on and off plus their are a few other members hailing from there, hopefully they'll chime in soon.
I hope you got the dealer to replace the head gasket and CV boot re inspection report. As you stated they can become major problems.
You can't go wrong using 'Search' - top right, 2nd line. Simply type in 'Pixels' and you have many pages of like situations. It will answer pretty much any query.
Yeah, pics are good, post asap. We all need to see the ride, otherwise it dosen't exist