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Old 12-12-2019, 06:29 PM   #1
j_ros94
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Oil Leak

So im having an oil leak after 7 months of boosting. I took it to a mechanic and he said i have too much 90 degrees on my oil line which could cause the leak to come out. Anyone else have this issue? If so, any advice?

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Old 12-12-2019, 07:27 PM   #2
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Pics? Is your car a manual?

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Old 12-12-2019, 07:34 PM   #3
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Pics? Is your car a manual?

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Yeah manual. Didnt get a chance to take a pic

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Old 12-12-2019, 08:13 PM   #4
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No pics, so just guessing here:


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Old 12-12-2019, 08:33 PM   #5
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No pics, so just guessing here:


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This could be it. Gotta check again in the morning

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Old 12-12-2019, 09:03 PM   #6
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What the technician was inferring was that with too many 90 degree bends, you're adding pressure points on those fittings. The leak is probably from one of the fittings. Otherwise, an oil leak is a result of something having a hole, not being tight, or gasket material missing; it has nothing to do with your car being boosted.

Just find the source of the leak and have it fixed
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Old 12-13-2019, 12:23 AM   #7
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i would have them put a UV dye in the crankcase so at least they're not guessing
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Old 12-13-2019, 08:55 AM   #8
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What the technician was inferring was that with too many 90 degree bends, you're adding pressure points on those fittings. The leak is probably from one of the fittings. Otherwise, an oil leak is a result of something having a hole, not being tight, or gasket material missing; it has nothing to do with your car being boosted.

Just find the source of the leak and have it fixed
Oh that makes sense Ill have it looked at and everything. Tech speculated since im boosted it starts leaking from one of those fittings when hitting boost.

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Old 12-13-2019, 09:29 AM   #9
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Oh that makes sense Ill have it looked at and everything. Tech speculated since im boosted it starts leaking from one of those fittings when hitting boost.

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Unless your forced induction is supplying forced air into your oil, this doesn't make sense. Oil pressure is driven by RPM (it's just a manual gear driven pump) so the WAY your car makes power doesn't affect oil pressure. I would the tech and bring it elsewhere for review if they're really suggesting that.
The only place boost would force oil past are the PCV and crankcase. Those would leak internally though, not at a fitting.
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Old 12-13-2019, 09:31 AM   #10
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a stock PCV can leak and boost can go inside crankcase actually.... guess what's inside the crankcase?
Usually it's adviced to use a WRX PCV or a oneway check valve between the PCV and the intake manifold
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Old 12-13-2019, 09:31 AM   #11
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Unless your forced induction is supplying forced air into your oil, this doesn't make sense. Oil pressure is driven by RPM (it's just a manual gear driven pump) so the WAY your car makes power doesn't affect oil pressure. I would the tech and bring it elsewhere for review if they're really suggesting that.
Lol thats what i said but not really sure and then when the tech said something else it made me doubt what i knew lol

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Old 12-19-2019, 06:26 PM   #12
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Update on my oil leak. It was coming from the oil pressure switch. Anyone wanna chime in to see if its an expensive cost or could easily be fixed at home kind of thing

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Old 12-20-2019, 07:41 AM   #13
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Old 12-20-2019, 08:27 AM   #14
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Update on my oil leak. It was coming from the oil pressure switch. Anyone wanna chime in to see if its an expensive cost or could easily be fixed at home kind of thing

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Do not even try to fix it, a new oil pressure switch is about 10 dollars from Toyota
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