Q: Leak

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Radiator broke. Bought a new one. Once placed in I noticed leaking & accidently striped it while trying to tighten it to stop leaking. I got another radiator & that one is leaking too. The leak is coming from the corner radiator connection. It's tight but not stripped. Theres another leak too but I don't know where it's coming from. It looks like oil. Can you please help me out?

My car has 170000 miles.
My car has an automatic transmission.

Hi there. The problem with stripping a coolant line is that although it might appear to be tight, as it heats, it will most likely expand and create a leak. If you are using the same coolant line inserted into the radiator, that’s most likely the source of your leak. You might be able to use a teflon-based tape to help with the connection; but I’d recommend replacing the coolant line. In regards to the other leak, without being there to complete a coolant/oil leak inspection, it’s hard to tell you where to begin your search.

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