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S3 Oil Leak On Startup From Oil Cooler

Discussion in 'A3/S3 Forum (8L Chassis)' started by Tooks, Mar 31, 2013.

  1. Tooks
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    Tooks Active Member

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    [Mar 31, 2013]
    Hi guys.

    Typically, and when all the car parts shops are shut today, my S3 has developed a startup oil leak that appears to be coming from the oil cooler where it meets the engine mount.

    I understand this is a common problem, and the o ring part is cheap. The problem is, where to find one today or tomorrow?!

    I have a couple of new oil filters, I have read that an oil filter seal ring is the exact same thing, and will do the job just as well as the OEM part? Certainly a few pics of the aftermarket parts look just like the oil filter ring...

    Any thoughts/experience?

    Ta!
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  3. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Mar 31, 2013]
    The seal I think you mean is different to the oil filter one... the proper one is as you say and o-ring with two locating tabs... looks like this

    [​IMG]

    Not sure where you would find one though... halfrauds won't have anything like that so your only bet is a decent motor factors which is open on a bank holiday... again unlikely...

    <tuffty/>
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  4. Tooks
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    Tooks Active Member

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    [Mar 31, 2013]
    Yep, that's the one.

    I read that the tabs are unimportant, although I wonder why they're there! Probably to aid with installation or something.

    Im thinking that if the oil filter o ring is the same size, then it should work the same?
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  5. <tuffty/>
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    <tuffty/> Badger 5 Edition Staff Member Moderator

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    [Mar 31, 2013]
    Arguably... all things considered its worth a punt....

    The tabs are to locate the o-ring so when you fit it it is in the right place to seal properly... without them it stands a chance of moving and not sealing correctly resulting in a leak... The tabs are important for this reason (to make it essentially idiot proof) but if you are aware and are careful then it could work...

    <tuffty/>
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  6. Tooks
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    Tooks Active Member

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    [Mar 31, 2013]
    Thanks tuffty, I think I'm going to give it a go.

    The existing one has clearly failed, so even if I get it fixed whilst I await the original part, it's better than it leaking. I'm concerned it will let go completely.

    Worse case, I can always stop and try and get a part mid week if this doesn't look like it will work, but would rather not have to take a day off sorting it.

    I will let you know how I get on!
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