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Thread: Oil filter seal blowing

  1. #1

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    Unhappy Oil filter seal blowing

    hey all

    i am in need of help bad my vt on my oil filter it keeps blowing out the seal making me lose oil every where i got told its cause the oil pressure is way to high is the problem or is it some thing elcs and if that whats making it blow the seal is there any way to fix it or am i needing to look for a new motor
    so any help would be good thanks

    adam
    Last edited by mradam1986; 24-01-2009 at 03:14 PM.

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    Who changed ur oil filter?
    Check the seal off the old filter isnt stuck to the block.
    And put another new filter back on it (not the one that keeps blowin out)
    When you put the new filter on use a bit of the new oil on ur finger to rub onto the filter seal.
    Then hand tighten till you feel it grip then another half turn.

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    IS it high oil pressure or pressure build up, I have had this promblem in the past with my 455 pontiac motor the dip stick use to blow out with oil going everywhere,
    some possible causes are excessive blow by( rings),overfull oil or pcv blocked

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    i changed the oil filter and i didnt leave the old seal in all ways make sure i get that out,so i think oil is pumping to fast or somthing making it blow the seal

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    What? You took the oil seal off the filter and can't work out why it blows oil?lol

    Nice try
    VYII Calais L67

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    Quote Originally Posted by mradam1986 View Post
    i changed the oil filter and i didnt leave the old seal in all ways make sure i get that out,so i think oil is pumping to fast or somthing making it blow the seal
    have you checked your engine mounts because that can cause your sump to take weight from the engine increasing oil pressure because there is less space for oil to sit and the seal would blow time and time again......
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    i have replaced the oil filter now wanting to know is there any way in slowing down the oil pressure cause my mate told me thats whats the cause of the oil filter seal blowing,he said there is a nut or somthing near the oil filter with a spring on it and if the spring is fully open it causes the oil to flow faster dose any one know where this nut and spring is or is that bull sh*t about that tryin to do every thing my self as money is very tight cause of wedding

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    yer atm there is no oil in it, but every time i put oil in it and start it, it blows the seal on the oil filter but i got told that the regulator pressure spring might be stuck open allowing it to blow the seal. is there a way to fix that easily?

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    Quote Originally Posted by fitz_vt View Post
    have you checked your engine mounts because that can cause your sump to take weight from the engine increasing oil pressure because there is less space for oil to sit and the seal would blow time and time again......
    Ummmmm.......I thought the sump pan was cast alloy, not rubber.

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    Quote Originally Posted by Calaber View Post
    Ummmmm.......I thought the sump pan was cast alloy, not rubber.
    Yeah but this happened to a mate of mine, his sump pan was sitting on his cross member and it worn down... caused massive oil pressure.
    just thought it might be a contirbuting factor.
    its probably not though as it is rare
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    Quote Originally Posted by chargedvx6 View Post
    What? You took the oil seal off the filter and can't work out why it blows oil?lol

    Nice try
    where the **** did he say that? lol nice try.

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    Quote Originally Posted by mradam1986 View Post
    hey all

    i am in need of help bad my vt on my oil filter it keeps blowing out the seal making me lose oil every where i got told its cause the oil pressure is way to high is the problem or is it some thing elcs and if that whats making it blow the seal is there any way to fix it or am i needing to look for a new motor
    so any help would be good thanks

    adam
    Adam

    I assume your car is a V6? If so, the oil pressure regulator is located behind the mounting plate that takes the oil filter. The mounting plate is actually the oil filter adaptor. Here's what you do.

    1 To get at the regulator, drain sump to reduce any chance of excess oil overflowing. Edit - just re-read your post - you said sump is already drained. Ignore step one.

    2. Remove the four bolts holding the oil filter adaptor to the block. There is a gasket between the adaptor and the block, so have a new one ready before starting the job.

    3. As you remove the adaptor, the oil pressure spring and valve will also be released.

    I'm not sure why your oil is pushing out like it is - it sounds like it could be excessive crankcase pressure, which someone else has said could be caused by broken rings or excessively scored bores (or both). Is this the only place that the oil pushes out - is there any sign of it escaping out the oil filler cap or via the pcv? Is there excessive oil inside the throttle body - this would also indicate excessive blow-by from rings or bores.

    The spring is not adjustable by means of a screw down nut or any other means. It can lose tension over time, which means it allows the valve t open at too low a pressure, which is possibly your problem.

    Once you get it out, see of you can compare its length to a new spring. Unfortunately, my manual doesn't provide the dimensions of the spring. If it varies at all from the new one, replace it.

    Good luck.
    Last edited by Calaber; 24-01-2009 at 05:38 PM.

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    I'm not sure why your oil is pushing out like it is - it sounds like it could be excessive crankcase pressure, which someone else has said could be caused by broken rings or excessively scored bores (or both). Is this the only place that the oil pushes out - is there any sign of it escaping out the oil filler cap or via the pcv? Is there excessive oil inside the throttle body - this would also indicate excessive blow-by from rings or bores.


    this is regarding ^^^^^ i have put yet another oil filter on with new oil and yeah all fine,but cause my car is a man(5speed) soon as i put it in gear and go to take off it blows the seal but no oil comes from filler cap or pvc but i rung up plaza holdens today and a guy said by the sounds of it,its the valve spring so thats my next thing to fix

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    The oil gallery from the pump to filter is in NO way connected to the open crank case, so case pressure will not come onto the equasion!
    If you are SURE the filter has been correctly installed, the only way there can be excess oil pressure blowing the filter seal out is if the 'oil pressure relief valve', found behind the filter adaptor in the timing cover, is not moving back, prehibiting the excess oil from the pump to discharge back into the sump. If the spring has collapsed, your oil pressure to the filter would be LOW, if the piston has stuck closed, your pressure would be HIGH, probably high enough to blow out the filter seal.
    This oil pressure relief method has not changed from the first 1948 Holden!

    Just a thought, if the crank case pressure was so high as to blow out the filter seal, would this same pressure not send the dip stick through the bonnet? or blow out the other engine seals??
    Last edited by pablo; 28-01-2009 at 10:21 AM.

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    i have taken off the oil filter adapter plate just wondering how to tell weither the valve spring is broken or damaged cos it is still in the same spot and i cant move it is there any way to get it out to look at it without taking the timing cover and everything off

    calaber, thanks your way helped me out alot.

    adam

  17. #17
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    Hey Adam, I just had a look in my workshop manual and it says to just remove the plunger and spring after the filter adaptor is removed.
    It would appear that the plunger would just come out by its self, possibly being pushed by the spring. If the plunger is jambed, then the timbing cover will probably have to come off?
    Can you get any movement in the plunger by pushing on it? If it is not stuck, a good magnet may draw it out.
    I have never worked on a v6 pump, so I am only going by the book.

    Pablo

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    What filter you using. Try a K&N one as bigger may alter some pressures. Also check your PcV valve as may be faulty not allowing engine to vent etc.......if oil filter is blowing from pressure, i'd be watching my other seals as well.

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    i have to take off the timing cover to fix it cause i carnt get any movement from the plunger and spring at all is this a hard job or should i just take it in just trying to cut cost's doing things my self but would it be easyer and faster if i just took it in????

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    pablo is offline Donating member
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    I suggest you get your self a 'workshop manual'. It is a srtaight forward job, but the book gives a more step by step method and a few tips to make the job easy.

    Pablo


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