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5.0L (1979-1995) MustangTechnical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.
how did you put the washer on? they should have been so tight you could barely get them over the threads. The last one I did it got it to start on one thread and then walked it up the rest while I was installing it. Still hasnt leaked. That was on a ranger. On my Mustang Im running stainless lines and o-rings (yeah they hold). However DO NOT put a rubber o-ring on the stock lines or you'll have a squirter!!
I heated them up to slip them on the end, then threaded them on the rest of the way. I'm pretty sure these lines don't use teflon seals, if anything, maybe thread sealant.
I cleaned everything real good and used a wire brush. I tried tightening them more and it didn't help. Im thinking that the 2 lines that are ALL steel do not need teflon seals like the pressure and return lines. I did not see any traces of a seal when i removed them. Does anybody know how to properly seal these steel lines? Maybe with teflon tape or thread sealant? thanx...
only 2 of the lines have teflon seals, the pressure and return into the rack