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2000-2005 Discuss your 2000-2005 Bonneville SE, SLE, and SSEi Please use General Chat for non-mechanical issues, and Performance and Brainstorming for improvements.

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Old 03-03-2007, 09:53 PM   #1
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Old 03-03-2007, 10:25 PM   #2
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I just got done replacing the LIM gaskets last weekend. It is actually a fairly simple project. Don't get me wrong, it is very involved, but it is not that bad. Make sure you have all of your gaskets ready (LIM gasket, get the aluminum framed from the dealer or intense-racing.com, you will need a throttle body gasket, supercharger gasket, and a coolant elbow, get this because it is so easy to change with everything off that you might as well do it now.) You are going to have to pull connections to get this done. I know, it looks intimidating, but take you time and take pictures if you can, that is what I did and it helps a lot. Make sure you note vacuum lines, I stumbled here. Also a supscription to alldatadiy.com is WORTH IT!!! For 25 bucks you can always print the steps as you go. It walks you through seamlessly! Remove the throttle body, fuel rail (you do not have to totally take it apart, just raise it out of the way and support it with wire or something while you continue) Then remove the supercharger bolts and 'voila', now you have to remove the LIM and then reverse to assemble. Now, I know I just made it sound very simple but it is very tedious, so take your time and you have come to the right place for help. PS make sure you have a torque wrench for reassembly!!!
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Old 03-03-2007, 10:31 PM   #3
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With most places, the parts will generally be cleaner when put back on, as cleanliness is really important to do this work. Look for wrench marks on the bolts that would indicate that they work removed and reinstalled.

It is not a particularly hard job to do, but it is detailed. It really should not be undertaken without proper documentation. I don't believe that Chilton'* has a manual for our cars yet, so you'd be "stuck" with either a factory service manual, or subscribing to an online service, such as http://www.alldatadiy.com/ where you can get step by step instructions.
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Old 03-03-2007, 11:05 PM   #4
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small claims court.... that and get magnets that say this place sucks and stick them all over your car...
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Old 03-04-2007, 12:06 AM   #5
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When the local dealer replaced my LIM gaskets (on my first engine) a couple of years ago, I picked it up and could have sworn the exact same thing. Everything was still dusty and dirty. Other than being able to visually see the gaskets (the part of the gasket that overhangs a little) were new and the external coolant leak was gone, it looked like they hadn't done a thing to it.

Look to see if the gaskets appear new. If not, I'd definetly go back to the dealer and crawl right up the service manager'* a** until they really fix it.
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Old 03-04-2007, 06:19 AM   #6
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Quote:
Originally Posted by bonkjmma
When the local dealer replaced my LIM gaskets (on my first engine) a couple of years ago, I picked it up and could have sworn the exact same thing. Everything was still dusty and dirty. Other than being able to visually see the gaskets (the part of the gasket that overhangs a little) were new and the external coolant leak was gone, it looked like they hadn't done a thing to it.

Look to see if the gaskets appear new. If not, I'd definetly go back to the dealer and crawl right up the service manager'* a** until they really fix it.
I agree. I just had my LIM gaskets replaced a few weeks ago now. You can see them hanging out a tiny bit. If you don't see the new gaskets, they probably didn't do it...
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Old 03-04-2007, 11:08 AM   #7
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This should tell people be sure you can trust your mechanic. there is two ways of being sure mark the original with a scribe or something that indicates to you it'* the original, or tell the mechanic you want the old gaskets so you can investigate why they failed. I my self am going to attempt LIM replacement because I also got ripped and on top of that the dip glued my supercharger to the LIM
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