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Old 06-10-2019, 04:00 PM   #1
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exhaust repair


Hey guys,

My son has a 2002 Saab 9-5 Aero that we bought back in 2007 with 70k miles. Since owning this thing I have found it to be the most unreliable vehicle I have ever had to deal with. I've replaced so many parts it's almost ridiculous and he's been left stranded probably 5 or 6 times.

Because of this, I don't want to sink much money in this thing to keep it running. He was driving the other day and mentioned that he now has a pretty bad exhaust leak. I don't want to spend $500 on a new exhaust and was wondering if anyone had any suggestions on "muffler tape" or whatever it's called. I've been reading some reviews for a Permatex product but the majority are not very good. Anyone have any tricks to get a few more years out of this exhaust?
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Old 06-10-2019, 04:26 PM   #2
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Re: exhaust repair


Depending on where the leak is.

A soup can both ends taken out, split down the seam, then two Radiator hose clamps, all placed around a pipe, and tightened up.

Six months later replace the can, it has a hole.

Sometimes it's a gasket at the manifold,
sometimes it's a muffler with a hole,
sometimes it's a CAT, a test pipe placed instead for a few months, don't get inspected though, if you have those in your state.

There is even Flex-Pipe, available, but it burns out fairly quick.


ED
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Old 06-10-2019, 04:41 PM   #3
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Re: exhaust repair


I've had fine results with off the shelf muffler tape....I recall you wet it first and wrap the pipe.

(Did it years ago on Grammy's old Subaru.)
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Old 06-11-2019, 04:40 AM   #4
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Re: exhaust repair


Really depends on where the leak is. But usually when you have a leak the rest of the system is paper thin from corrosion and ready to collapse or breach in multiple places. I'd replace it properly... or else get rid of the POS Saab.
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Old 06-11-2019, 08:24 AM   #5
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Re: exhaust repair


As Ed says, it depends where the leak is. In the middle of a straight run of pipe, easy. Right where a pipe enters or exits the muffler, not as easy.
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