For what it's worth I have have found LR to be generally incompetent at best and disingenuous to the point of being deliberately misleading at worst.
The 2.2 Pumas are renowned for blowing hoses - largely due to bad install/unperformed warranty checks.
Get a stat dec from your mechanic and make it LR Australia's problem i.e. escalate. Be agreeable but firm, don't give an inch and don't spend a dollar of your own coin.

