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I have a small leak in the flex pipe of a 04 Nissan Sentra, so I’m looking to see what’s the best way to fix it myself. I would replace the flex pipe alone if it had connections to it but it’s part of 1 long piece of the exhaust. I was looking to replace the whole section of exhaust from front to middle of car. But looking at these connections are they able to unscrew off. The end connection I’m able to cut off because there nut & bolt, but the front connection is stud and nut, and the stud is not welded in, was told it can unscrew off.
Looking at the pics is there a chance that it will come off, if so what’s the best way? If the front connection snaps, cutting the studs will that be able to get drilled out? All I got for heat is basically a plumbers torch and heard melting candle wax in threads helps out, but it looks all sealed and coated up, I really would like to remove the whole stud out, is it possible that the threads are so coated that it will unscrew out from that Cat vs the nut coming out threads? I don’t have an impact wrench/drill. What’s the best way to remove it, what are my options?
If cutting out the flex pipe is better I don’t have a welding machine, so can it get clamped in there?
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you can replace your exhaust. but if it doesn’t leak then Id leave it alone. But replacing exhaust isn’t a easy task with out a lift and some heat. But heat is going to be your biggest friend with this repair
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