94 - Exhaust Donut Gasket Size - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 03-22-2011, 03:46 PM   #1
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Default 94 - Exhaust Donut Gasket Size

Is there anyway to determine the size of exhaust donut gasket on my car without actually going and taking it off? It looks like available sizes are 2.25" or 2.5".

http://www.autozone.com/autozone/acc...mString=search

I was told this was causing the fluttering sound while driving and possibly affecting some performance. Fact or fiction?
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Old 03-22-2011, 09:26 PM   #2
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You can measure the outside of the pipe, but being a SE I suspect you have 2.25
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Old 03-24-2011, 11:36 PM   #3
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I was hoping to be able to order it before getting under the car, but I guess I'll give in and just measure it. I've been putting it off for a while now. Thanks for the help
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Old 04-09-2011, 10:07 PM   #4
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I picked up the part today, and my hunch is the lady gave me the wrong part. I haven't actually removed the bolts yet (they are soaking in liquid wrench overnight), but it appears the gasket that gets in there is a rubber-like material, and the one she gave me is a hardened metal. This seems odd?
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Old 04-09-2011, 10:09 PM   #5
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Also, is there anything I need to remove / be aware of before I remove the bolts holding the flange together? This is the one directly behind the engine from the rear of the exhaust manifold
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