Not having a good run, an engine fire and now this?

I'd take it back tomorrow and get onto it if it's a confirmed HG issue. Being a Subaru dealership, I would have thought you'd have a better chance of them fixing it for you.

I suppose the challenge is proving it was purchased that way?

Personally, I would think about the initial conversation you have with them, eg: Don't lose your shit, and take someone with you. You'd have a better chance of getting a better outcome.

If you can get an independent, qualified, reputable workshop to back you, that would also be good, prior to going if possible. Get everything in writing where you can and record your interactions in case it gets messy.

Maybe do a second leakdown test to 100% confirm. I thought I had done a head and it's fine a few months out. They may have just done a coolant change prior to selling and it's settling because it wasn't burped properly.

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[SIGPIC][/SIGPIC]
Should have bought an STI