Got a 2000 boxster S and a coolant leak to boot. I noticed that the level only gets low while the car is on. I removed the underneath and I used a pressure tester to simulate the car being on at 19psi, and sure enough I could spot the leak.
The odd thing is I still can't tell where it's coming from. I can only see the two spots that it's dripping. Would it make sense that the source could be from above (such as the pump) or not since the car isnt on when I use the tester? I'm worried that it won't be a simple fix and i'll have to replace that. The two spots I see the leak is out of the hose and out of the screw thats connected to some sort of bigger piece. The pump looks like it's wet around the belt, but I don't see why since I havent started the car in over a week. So maybe this is my source afterall. By the way, I just removed the clamp on the hose and it was leaking before that too. I'll attach a photo and hopefully someone can point me in the right direction.
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