Oil leak won't stop
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This is a discussion on Oil leak won't stop within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; I changed my oil 6000 miles ago, and reused the old crush washer and my drain plug started leaking. I ...

  1. #1
    Registered User ToddZ199's Avatar
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    Oil leak won't stop

    I changed my oil 6000 miles ago, and reused the old crush washer and my drain plug started leaking. I read on here about the Futomoto Valve and I bought one.

    Anyway, the other day I put the valve in and switched to Mobil 1, and it is leaking even faster now! Almost every parking spot in the lot at work has a 4-5" oil spot in it from my car now.

    Any suggestions??? It wasnt so bad when i was using normal Castrol, but with Mobil 1, it feels like every drop is costing me 10 cents.
    '02 Black WRX - not too far from stock

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  3. #2
    Registered User GotWRX03's Avatar
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    are you talking about the drain plug?

    Quote Originally Posted by ToddZ199
    I changed my oil 6000 miles ago, and reused the old crush washer and my drain plug started leaking. I read on here about the Futomoto Valve and I bought one.

    Anyway, the other day I put the valve in and switched to Mobil 1, and it is leaking even faster now! Almost every parking spot in the lot at work has a 4-5" oil spot in it from my car now.

    Any suggestions??? It wasnt so bad when i was using normal Castrol, but with Mobil 1, it feels like every drop is costing me 10 cents.

  4. #3
    Registered User jibco's Avatar
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    Yeah, I drip a little bit with my fumoto valve. Did you try to tighten it another 1/8 turn or so?

    I just used it with the gasket thing that came with it. I was thinking of using the crush washer next change.

    Has anyone installd the valve with just the subaru washer?

  5. #4
    Registered User ToddZ199's Avatar
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    Yep,

    I replaced the drain plug with a Futomoto valve the other day, and its still leaking
    '02 Black WRX - not too far from stock

  6. #5
    Registered User ToddZ199's Avatar
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    I just used the fiber washer that came with the valve.
    '02 Black WRX - not too far from stock

  7. #6
    Registered User GotWRX03's Avatar
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    that's odd, because I've been using the same oil drain plug and washer for the last 20K miles already. the dealership is too far from where I live, so I use the same washer all the time...

    might wanna replace the plug with OEM one?

    Quote Originally Posted by ToddZ199
    Yep,

    I replaced the drain plug with a Futomoto valve the other day, and its still leaking

  8. #7
    Registered User ToddZ199's Avatar
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    OEM plug leaked too.
    '02 Black WRX - not too far from stock

  9. #8
    Registered User ToddZ199's Avatar
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    Has anyone tried using teflon tape on the threads of the drain plug?
    '02 Black WRX - not too far from stock

  10. #9
    Registered User wrxinfx's Avatar
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    Quote Originally Posted by ToddZ199
    Has anyone tried using teflon tape on the threads of the drain plug?
    I was just thinking that. But just make sure you cover only the thread part only and not extend past that into the pan. It might break off and you can only guess what happens next. I was just wondering if the teflon tape can handle the high temps of the oil? Anyone knows?

  11. #10
    Registered User GotWRX03's Avatar
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    that's weird. unless the thread's crossed and damaged, the OEM shouldn't make it leak like that...

  12. #11
    Registered User fastfox17's Avatar
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    Same Prob

    My car has been leaking like that for the past weak. It is def the crush washer on the drain plug cause i took it to the dealer and they replaced it and it stopped leaking. The next day though i put amsoil in it and it started to leak again. So i just called them and got them to give me some extra crush washers. That should fix the problem.

    Yeah i def recomend amsoil to anyone looking to do an oil change.

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