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Blows oil from dipstick tube under boost

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Old 10-30-2009, 10:38 AM
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Default Blows oil from dipstick tube under boost

I have a 1995 honda civic ex with an 94 acura ls in it. when it comes into boost it blows oil from dipstick under boost. i have changed pvc valve and it still does it. any ideas what it could be?
Old 10-30-2009, 11:57 AM
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Default Re: Blows oil from dipstick tube under boost

get a crank case pressure relief valve?
Old 10-30-2009, 12:17 PM
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Default Re: Blows oil from dipstick tube under boost

Rings are going bad. You are experiencing blow by(boost leaking past the rings) or for some reason you have a charge pipe connected to your valve cover.
Old 10-30-2009, 12:22 PM
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Default Re: Blows oil from dipstick tube under boost

How can u see under the hood during boost? Do a compression test to see how the rings are doing. A lil blowby on a turbo car is normal.
Old 10-30-2009, 12:45 PM
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Default Re: Blows oil from dipstick tube under boost

I recently saw a Mitsubishi Eclipse spraying out oil from the dip stick tube. His turbo ended up being shot (that's putting it lightly). So checking the play in your turbo might be something to quickly check.
Old 10-30-2009, 01:08 PM
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Default Re: Blows oil from dipstick tube under boost

blowby from the rings or turbo could be shot and boost is getting fed into the oil return line.
Old 11-02-2009, 03:15 AM
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Default Re: Blows oil from dipstick tube under boost

hm... yea that is what i was afraid of. i did a comp. test it was 140 all the way across
Old 11-02-2009, 08:42 AM
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Default Re: Blows oil from dipstick tube under boost

sounds like a turbo........but you need to do a CLT to nail down where the leak ISNT
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