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  1. #1
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    wtf did my oil go

    Oil light keeps coming on and I only changed the oil with 4.5 fresh litres about a month ago. There are no leaks and no oil in water. I checked the oil level yesterday and it was kind of low...


    A4 1.8TQS

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  3. #2
    "Stick a V8 in it!"

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    Oil light doesnt mean its low, it means theres no pressure.

    Fix it, or the engine will be scrap.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
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  4. #3
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    Knackered turbo seals causing the oil to be burnt and expelled out of the exhaust?
    Mo power, mo problems

  5. #4
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    well, you saying you only check it once a month? Also you wont have fitted 4.5 litres in there as the capacity is a tad over 3.5 L. My best guess is you have a high ish mileage engine and its either being burnt by the engine or passing by the turbo seals in small quantities so you don't see the smoke

  6. #5
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    http://www.audi-sport.net/vb/showthr...engine-out-Yes


    ^^ you may need to do this to reagain pressure^^

  7. #6
    "Stick a V8 in it!"

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    Our old engine used about a litre every 2000miles.

    There was just enough in a 5L bottle, to do the oil change, then top the engine up for the next 5000miles and it would be on the min line when the next change happened.

    Still doesnt explain the oil light though.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
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  8. #7
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    So... new turbo?


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  9. #8
    Broken Byzan's Avatar
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    if you dont sort it soon, it will be new engine AND turbo TBH

    How many miles has she done?

  10. #9
    "Stick a V8 in it!"

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    The oil light means the engine has no oil pressure. This is usually down to sludge and a worn oil pump.

    No (or low) oil pressure will also damage the turbo over time.

    If the oil light is genuine (ie it isnt just a faulty sensor or you having run out of oil), you will need to remove the sump and fit a new oil pump, as well as cleaning everything out.

    It might be worth trying a diesel flush before stripping it down.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
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  11. #10
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    Quote Originally Posted by aragorn View Post
    The oil light means the engine has no oil pressure. This is usually down to sludge and a worn oil pump.

    No (or low) oil pressure will also damage the turbo over time.

    If the oil light is genuine (ie it isnt just a faulty sensor or you having run out of oil), you will need to remove the sump and fit a new oil pump, as well as cleaning everything out.

    It might be worth trying a diesel flush before stripping it down.
    I did a diesel flush with the oil change last month. I will double-check oil level in an hour when I leave work. Not looking forward to removing sump, having read the other thread...

    @byzan: mileage is ~138k


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  12. #11
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    What's the difference between 10w40 DIESEL oil and PETROL oil?


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  13. #12
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    I remember I put a little diesel oil I had lying around while I was fast idling it with some diesel. I then drained this out and changed the oil filter. Could this be a possible cause?


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  14. #13
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    Just been looking here:

    http://www.audi-sport.net/vb/showthr...t=oil+pressure

    and it's the DIS light, not the round speedo light, if that's worth anything.


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  15. #14
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    Light didn't come on on drive home... I'm hella confuzzled now.


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  16. #15
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    No light on way to work today. I am thinking it might just be the sensor then?


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  17. #16
    "Stick a V8 in it!"

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    Do yourself a favour and get a real pressure guage on there. Mine was 25quid on ebay and it gives you a much clearer picture of whats happening.

    Theres a possibility that your diesel flush has dislodged some crap, which is now blocking the pickup pipe, so it might be worth doing another change, especially if the oil has gone black already.

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


  18. #17
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    Was the DIS light yellow or red?

    Yellow = Oil low
    Red = Oil Pressure
    Mo power, mo problems

  19. #18
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    Quote Originally Posted by Blue_Thunder View Post
    Was the DIS light yellow or red?

    Yellow = Oil low
    Red = Oil Pressure
    Red mate.


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  20. #19
    "Stick a V8 in it!"

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    only immo3, 2000model year and newer cars have level sensing, so any oil warning on an earlier car is pressure!

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
    2000 A4 1.8T Sport Quattro Saloon, Black-ish
    1997 S4 - PPC £999 Challenge Track Car Build
    TD5 Land Rover Defender build


 

 

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