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Old 09-07-2012, 01:48 AM   #5
iminhell
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I'm just curious how well you cleaned the BH?

I know that fluids can get trapped in the casting voids. Heating/case expansion can allow trapped fluids to leak.
For instance, I blew a coolant line. Replaced it and cleaned everything up. Few months later replaced a clutch and there was still coolant hiding in the voids. It did appear to leak every once in a while but nothing ever went low.

IIRC it's only the lowest void that has a drain hole. The rest and closed.

Just something to think about.
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