904 Leaking. What to check first?

I cleaned the bellhousing, sides and rear of the transmission. Squeaky clean. I’ve let the car sit 3 weeks and it looks like the leak is sourcing two places: from the very front of the pan and the rear of the trans pan. I’ve included pictures.

It finally just about stopped leaking. There’s probably no fluid left in there!

Before I drop the pan and replace with a new gasket, should I try retorquing all the pan bolts to factory spec, replace trans fluid and see if the leak seals? Or just commit to dropping the pan and doing the gasket?

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I've had more than one car with loose tranny pan bolts. Doesn't cost a thing to tighten them up and cross your fingers. Just don't over tighten them.