what's dat noise?

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Old 04-29-2004, 02:51 PM
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Default what's dat noise?

Anyone know what symptoms to look/listen for with a catalytic converter going out?

Over the last 4-6 weeks I've been hearing a hellacious rattling (and getting progressively worse) from that general vicinity on my 1990 CQ.

Since it sounds like more of a "rattle" than anything else, maybe something's just shaken loose, but it seems like it's coming from that same area.

Any ideas?? TIA
Old 04-29-2004, 03:11 PM
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Default I had the same noise, and it was one of my cats...

got two high flow universals on ebay for $90 shipped...
<img src="http://pictureposter.audiworld.com/52171/picture_248.jpg">
Old 04-29-2004, 03:51 PM
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did you weld them in yourself?
Old 04-29-2004, 03:57 PM
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sounds like a cat...sure no purr though...ha ha ha
Old 04-29-2004, 05:01 PM
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No, local muffler shop, $50 Labor...
Old 04-29-2004, 05:18 PM
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go under the car with a metal bar and hit the converters, if they rattle, there shot.
Old 04-29-2004, 05:21 PM
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Default Re: No, local muffler shop, $50 Labor...

Good price. I just paid $100 (part) plus $80 (labor) for ONE converter to be welded in.
Old 04-29-2004, 05:33 PM
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looks like they did a nice job!
Old 04-29-2004, 05:58 PM
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Default I have a loose metal rattle

There's a metal sleeve that goes over the lower section of the downpipe. Once it breaks loose it'll rattle at certain RPM ranges randomly. Cheap fix too, just cut it off.
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