NASTY rumble after changng cats - TCCoA Forums
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post #1 of 5 (permalink) Old 02-19-2009, 01:17 PM Thread Starter
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NASTY rumble after changng cats

Okay, my cats went about a month ago so i swapped them out with Magnaflow high flow cats. Unfortunately the direct fit were not so direct fit and i needed to weld thread from my old pipes onto the new ones for the downstream O2 sensor on the drivers side. Not a big deal. Sealed up the thread with a bolt that i got with the new cats and welded a seal. After i put the cats on i was getting a much deeper sound when i started up and drove but NOW i have a nasty rumble!! Whats weird is that it only happens when i turn the wheel. WTF?? Any ideas??
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post #2 of 5 (permalink) Old 02-19-2009, 02:05 PM
The AFDB is on a lil tight.
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loose exhaust hanger?

Spinning pies like wheels.

DD driving my 20 year old project

Now with new ball joints...again
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post #3 of 5 (permalink) Old 02-19-2009, 05:03 PM
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I had a nasty rattle on my 89. It started after I had a new muffler installed and after all kinds of WTF's it turned out to be the heat shield for the pipe.
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post #4 of 5 (permalink) Old 02-19-2009, 06:30 PM
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Only happens when you turn the wheel? Well check and see if the exhaust is rubbing on anything.
Also though it may be unrelated you may want to check the ball joints, If they make noise when you turn it could be a whole other problem.

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post #5 of 5 (permalink) Old 02-20-2009, 05:25 PM Thread Starter
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Yeah thats what im thinking. I checkd and they dont rub on anything.. its like one problem after another...
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