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Old 11-10-2012, 09:35 PM
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JimN JimN is offline
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Join Date: Jul 2004
Posts: 13,169
Originally Posted by erkoehler View Post
I agree with Jim, replace it annually! When the impeller fails while the normal driver/owner is skiing and your buddy doesn't pay attention to the temp gauge you'll really regret not replacing that part for less than $50!

I guarantee the repairs will amount to a number greater than a case of impellers!!!

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One of the biggest problems with impellers going bad is the fact that the ECT needs to be immersed in coolant and hot air isn't as good of a good conductor of heat as any liquid, so the engine can be badly overheated without showing an overheat on the gauge.
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