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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 02-23-2009, 08:26 AM   #11
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Back to your question about LIM gaskets. AFAIK there'* no true way to avoid changing them. We have found that no matter what coolant you run they usually go bad.

Once in a while (not often) someone pulls their engine apart and the gaskets look new while they have 100+K miles on them. It'* infrequency keeps us suggesting the swap out to the GM version aluminum framed ones.
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Old 02-23-2009, 03:56 PM   #12
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are LIM gaskets a problem on series 1 engines?
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Old 02-23-2009, 06:09 PM   #13
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that depends on your mileage lol at 300,000 yes... 60,000 not really... my only leak is a small crack in the top driver side of the radiator plastic tank, leaks under pressure... and the oil pan gasket... will replace next oil change... realised it was leaking during the last oil change and didnt have a way to get to the store to get another gasket lol
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Old 02-23-2009, 06:41 PM   #14
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well, the problem is, the bonneville is mysteriously losing coolant and i have no idea where its going. nothing in the oil, no smoke, and no puddles on the ground...
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