3100 LIM gaskets, anyone done them? - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 12-16-2006, 12:45 AM   #1
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Default 3100 LIM gaskets, anyone done them?

My mom and my friend both need the LIM gaskets done on their 3100'*. Has anyone done them before? Or know of a good place with information about the process? Or have a fsm that includes a 3100 motor. thanks

(one is a 95 and the other is a 00)
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Old 12-16-2006, 12:49 AM   #2
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what kinda cars are they
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Old 12-16-2006, 12:51 AM   #3
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Quote:
Originally Posted by wjcollier07
what kinda cars are they

shouldn't really matter but 95 GA and 00 century.
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Old 12-16-2006, 12:56 AM   #4
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i have done them. And they are nowhere near as easy as the 3800, there is ALOT more work involved, and alot of bitching will be included also.
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Old 12-16-2006, 12:59 AM   #5
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oops, sorry man, i thought i had a haynes manual on it, but i only have one for a 2.8L MPFI V6, i thought it was for the 3100 too. Sorry about that.
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Old 12-16-2006, 01:00 AM   #6
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Quote:
Originally Posted by Bonneville94V688
i have done them. And they are nowhere near as easy as the 3800, there is ALOT more work involved, and alot of bitching will be included also.
willing to expand? give some insight?
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Old 12-16-2006, 01:03 AM   #7
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http://60degreev6.com/

helpful to me, I did them on my 99 Malibu. I much prefer the 3800 to work on in retrospect. I put 60k on my repair and got rid of the car. I did use the GM gaskets. I also pulled the heads and had them checked for cracks. In hindsight, I probably just would have done a compression check instead of pulling them

I also unbolted and removed the fuel rail, had a hard time getting the fittings to seal up after that. Shoulda just left it floating in there.

Use the RTV only at the corners where intersecting gaskets meet.

Had to SLIGHTLY file the locating pins on the LIM gaskets to get them fit snug into the heads, they wouldnt seal against the intake ports till I did this.

Hope some of this helps, that site was helpful to me also.
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Old 12-16-2006, 01:06 AM   #8
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Well. there is alot of disassembly involved, such as removing the upper plenum, TB, EGR valve, EGR Tube, fuel rail in which the fuel lines are routed through the TB cable bracket and are hard to get out, then the LIM can be removed, be careful as alot of the vacuum lines easily break.
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Old 12-16-2006, 01:35 AM   #9
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Ok I've got them from a Haynes manual. I will type them. Just give me a second.
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Old 12-16-2006, 01:50 AM   #10
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Quote:
Originally Posted by wjcollier07
Ok I've got them from a Haynes manual. I will type them. Just give me a second.
John, a guy like you doesnt have a scanner to just send them on ?
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