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Checking Breather Box pressure test? S60 2004

posted by  740madness on  Sat Dec 10 09:54 CST 2016
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last visit: Sun Jun 29 21:07 CST 2014
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On the s70's checking the breather box was easy to test with a balloon over the dipstick. However on the later cars this is not always the case. My volvo mechanic tells me it depends on how it is clogged.

I had a 2003 v70 that when it clogged it whistled and had alot of suction.

My mechanic told me the breather box should be tested by a pressure test and should read vacuum, but he won't tell me how. (nice guy)

Does anyone know how to pressure test the pcv this way?

Thanks Madenss







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    Checking Breather Box pressure test? S60 2004

    posted by  KlausC on  Sat Dec 10 11:06 CST 2016
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    It would be quite hard to 'pressure test' the oil separator and all of its parts. What you are looking for is a slight vacuum which can be detected by wrapping a latex glove around the oil filler (cap off of course). If the glove inflates, there is a problem as the glove should be sucked in slightly.

    --
    Keeping it running is better than buying new







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