vacuum pump and blow by

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05-28-2007, 09:22 PM

Tony R

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vacuum pump and blow by

i was wondering if anyone has ever had the problem with a vacuum pump pressurizing the crankcase causing excessive blow by and what was done to determine this as the problem on a 24 valve mine is really bad but havent lost any performance out of the engine runs great no smoke etc im opened to ideas here

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07-10-2007, 04:25 PM

scout98

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Tony

did you ever locate your problem im having a simular problem

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07-10-2007, 08:34 PM

garybg1

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I thought I had excessive blow by but it turn out to be the seal between the powersteering pump and the vacuum pump. I looked like it was blow by because they are so close together. Easy fix with a seal kit.

Gary