They're flexible lines to the transmission cooler. Its an easy DIY project. Just spray some liquid wrench on the fittings and they'll come off. Some fluid will leak out (maybe 4 oz). When checking the trans fluid level, note the dipstick level depends on temperature. Put a catch can under the hoses as you remove them and add that much ATF back into the system thru the dipstick. A few ml difference won't matter.

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Brian Toscano