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Old 09-11-2008, 03:01 PM   #1
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Question UIM gasket

Ok another somewhat dumb question....what the heck is the UIM gasket???
I was reading post about dex crap and some mention replacing it. Is this something I should look into? Or am I just worried about nothing?
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Old 09-11-2008, 03:18 PM   #2
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if it'* not leaking you should be fine. if you want you can replace it but as long as it'* functioning correct i wouldn't, mainly because im a fan of not fixing things unless they are broken.
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Old 09-11-2008, 03:45 PM   #3
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Ok...but what is it??? LOL
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Old 09-11-2008, 03:45 PM   #4
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upper intake manifold.
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Old 09-11-2008, 03:53 PM   #5
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DUH...........lol
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Old 09-11-2008, 05:10 PM   #6
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glad to be of help!
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Old 09-13-2008, 12:09 PM   #7
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Check the threads on failing UIM gasket and the intake manifold itself. Its not a matter of if, but when both will fail. I had both projects on my "round to it" list. I had the UIM fail on a road trip and paid thru the nose to have the a dealer do. I was still over 600 miles from home. Its not a hard job to do in your driveway. Its real hard on the wallet to have the dealer do it.
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Old 09-15-2008, 09:28 AM   #8
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Actually I haven't heard much of the gasket itself failing. The UIM itself can fail though. In the EGR bore it will get hot and through the expansion and contraction cycles it can crack or rupture. The cooling passages to supply the TB are directly next to the EGR bore and will fill the LIM with coolant and possibly cause a hydrolock. The other thing to keep in mind is that the LIM gaskets also have a high rate of failure and should be replaced with the best available. Currently the best replacement for the LIM gaskets is the GM aluminum gaskets.
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Old 09-15-2008, 10:40 AM   #9
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HUH??? Well ok then.....now that I'm really lost.......LOL
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Related Topics
Thread Thread Starter Forum Replies Last Post
UIM and LIM replaced now leaking coolant out of UIM gasket Paul1981 2000-2005 10 12-21-2007 11:05 PM
Anyone got a general estimate on DIY LIM/UIM gasket repair? Dave535i 1992-1999 6 07-09-2007 11:28 AM
Lifter Tick - is it caused by LIM/UIM gasket failures? singscountry1967 2000-2005 11 01-29-2007 06:07 AM
doing the UIM (Dorman) and LIM gasket soon Woody_02SilverSE 2000-2005 19 11-03-2006 08:38 AM
UIM gasket replacement bonnevillemac 2000-2005 9 10-23-2006 09:25 AM


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