Coolant elbow leaking?
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Coolant elbow leaking?
I bought my '02 Bonneville a month or so ago with just over 60k miles on it. I know the LIM gaskets are a big issue on these cars but mine seems fine. The oil looks like honey. One of the first things I did was have the DexCool flushed and refilled and ever since it has leaked. It doesn't seem to be leaking from the LIM gasket, though. It seems to leak from the coolant elbow that runs from the water pump housing to the LIM. It might be cracked but I actually think it is the seal between the elbow and the LIM that is bad. How does the elbow seal to the LIM? I assume I have to remove the water pump to to remove the elbow? Anybody else have this problem? It doesn't seem to leak when the engine is warm, only when it is cold.
Last edited by 2QuickZ's; Jun 17, 2009 at 08:00 PM.
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Chances are the elbows will disentegrate when you remove them - but the replacements are cheap and go in easy. Did you replace the Dex-Cool with more Dex-Cool? After the Dex-Cool ate through my intake gaskets, I decided to switch/convert to good old Green Antifreeze.
Last edited by ruby76; Jun 19, 2009 at 10:50 AM.
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I stuck with the DexCool. I knew when I had it flushed that I would probably only be driving it for 5k miles or so before I drained it and refilled it with fresh stuff. I think the Dex Cool is fine as long as you stay on top of it and I replaced my radiator cap with a better one at the same time it was flushed. That is supposed to help as well.
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