Thanks, mate. Good to learn something new. What a bastard having it sealed. I wonder if drilling a set of holes, draining the oil, and fitting bolts through the hub is a possible Quick Fix?
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I just happened to be lookin at it on patrolapart ...
https://patrolapart.com.au/product/t...n-patrol-gq-gu
Edit: just read the post above. I've drilled holes in things to drain/replace fluid before (on motorbikes).
I don't know if the dashboard was removed I left it one day, picked up the next. The AC guy didn't mention the pressure switch, just told me that the pressure "smashed" the evaporator and will continue to "smash" other AC components until fixed.
I did find a clip on Youtube how to easily check a viscous fan. Take 4-5 pages from a newspaper, roll them up and try to stop the fan with the roll just after you've started the car. The fan should be easy to stop. Then idle until the engine has reached max temp. When trying to stop the fan now, the newspaper should be ripped to shreds and the fan impossible to stop. This didn't happen to me.... the oil has obviously leaked out.
I did find some oil on a plug below the water pump, see attached pic. Could it have anything to do with the fan oil or totally unrelated?
Thanks everyone who replied.
Pete