Engine knocking
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This is a discussion on Engine knocking within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; So i parked my car at rite aid went in, came back out and i started it up went to ...

  1. #1
    Registered User wrxwagon2's Avatar
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    Engine knocking

    So i parked my car at rite aid went in, came back out and i started it up went to go and my engine had a bad knock around 3k then when it idled it knocked too. So i was looking around, i check my oil and its empty and i was like what the hell why would it be empty? ( i was going to change the oil tommorow)
    So i look under the car and theres oil everywhere. So im guessing my oil pan leaked and i ran out of oil and now my engine knocks. Whats making the knocking noise? My car has 105k on it and its stage 2 via Cobb Access port. Please help
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

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    Registered User wrx wagone's Avatar
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    Welcome to the wonderful world of spun rod bearings. Don't worry though, it is nothing $3k can't fix.
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  4. #3
    Registered User wrxwagon2's Avatar
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    i figured it was something to do with the rods, what needs to be fixed then the rods and bearings? or is it better just to get a new engine?
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

  5. #4
    Registered User wrx wagone's Avatar
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    Well, you have some options:

    1. DIY rebuild for teh cheap.

    2. Throw a Subaru built short block at it.

    3. Make a 2.5l hybrid build out of it. (Do a search)

    4. Go crazy.
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  6. #5
    Registered User wrxwagon2's Avatar
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    STI swap?
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

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    Administrator Trainrex's Avatar
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    The first step is investigating what caused the oil to leak out and repairing that component before you destroy another engine.

  8. #7
    Registered User WagonGuy's Avatar
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    Did the 'idiot' oil pressure light come on?
    Blobeye Syndicate #1337
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    Registered User wrxwagon2's Avatar
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    if i recall i said that the oil pain leaked everywhere and had no oil in the car then, therefore causing the condition my car is in. And no, no oil light came on or did the CEL. I checked the oil this morning and it went down again so i put some in so it was good and i started it and it did the same thing but worse so..i dont know.
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

  10. #9
    Registered User WagonGuy's Avatar
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    Quote Originally Posted by wrxwagon2 View Post
    And no, no oil light came on or did the CEL. I checked the oil this morning and it went down again so i put some in so it was good and i started it and it did the same thing but worse so..i dont know.
    That's not cool at all. Low/no oil level should trigger low oil pressure warning, simple as that. Now I'm going to be paranoid...

    Are you going to rebuild?
    Blobeye Syndicate #1337
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  11. #10
    Registered User Lavid2002's Avatar
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    That sucks man, if I was going to swap id do something crazy with that engine before I junked it

  12. #11
    Registered User wrx wagone's Avatar
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    Quote Originally Posted by WagonGuy View Post
    That's not cool at all. Low/no oil level should trigger low oil pressure warning, simple as that. Now I'm going to be paranoid...
    Usually if the light does come on, the damage is already done. I'd recommend getting an oil pressure gauge.
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    Registered User wrxwagon2's Avatar
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    If the funds will cope with this situation i am planning on getting a STI powertrain swap, with my engine as the core exchange to get some money off. With that i can re-use my intake and turbo back exhaust, also i can sell my recently purchased Cobb AP and get one for the STI. Well atleast thats what i want to happen if it goes as planned. And once i do get it back to running condition i plan on getting oil pressure gauge
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

  14. #13
    Registered User wrxwagon2's Avatar
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    I have a question, how much do you think my car is worth in this condition? 2002 wrx wagon, 105k, well maintained, good tires, intake, and turbo back. It runs just with the rods knocking.Thanks
    2004 WRX (currently driving)
    2000 Audi S4 APR tuned (sold)
    2002 WRX wagon ( sold )
    1988 Thunderbird Turbocoupe

  15. #14
    UnBanned Sinister's Avatar
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    Quote Originally Posted by wrxwagon2 View Post
    I have a question, how much do you think my car is worth in this condition? 2002 wrx wagon, 105k, well maintained, good tires, intake, and turbo back. It runs just with the rods knocking.Thanks
    8k



    I'd invest the money in a hybrid build honestly...
    Kevin
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  16. #15
    UnBanned Sinister's Avatar
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    Quote Originally Posted by wrx wagone View Post
    Usually if the light does come on, the damage is already done. I'd recommend getting an oil pressure gauge.
    same with the temperature gauge.

    Subaru pretty much cheaped out on this kind of stuff.... (I still think that a stock wrx should have a boost gauge on the gauge cluster)
    Kevin
    Moderator
    Sinister's Blowoff Valve FAQ
    WRX Gas Mileage FAQ
    Sinister's Progress Thread - 430whp 429wtq - Sold
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    The Sheriff's Star at the bottom left corner rates a user's reputation.
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