Sump snot.
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Thread: Sump snot.

  1. #1
    1000+ Posts jo proffi's Avatar
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    Default Sump snot.

    WHat on earth is this crap in my sump?????
    It resembles very fine mud.
    Did a previous owner use an entire tube of anti seize, or maybe some teflon additive???
    I have never seen anything like this in a motor before.

    The photo shows the result of 2minutes of abrasion with a nylon dish brush and degreaser, which hardly made a dent in it.
    It did disolve some of it, but the main mass just laughed at me.

    I then hit it with the turbo lance of the pressure cleaner and shifted it.....onto the driveway where it stuck like baby poo to a blanket. Grrrrr.

    I also noticed that the main cap bolts were slimy with grey stuff, the same colour as the snot in the sump, which makes me think maybe it was anti seize paste.

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    I've always considered less is more with that stuff....

    Jo
    Attached Thumbnails Attached Thumbnails Sump snot.-sump-snot-1.jpg   Sump snot.-sump-snot-2.jpg  

  2. #2
    1000+ Posts BIGRR's Avatar
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    Banana skins?
    Present fleet:-
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  3. #3
    1000+ Posts jo proffi's Avatar
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    Damn, I didn't think to taste it.

    Jo

  4. #4
    1000+ Posts robmac's Avatar
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    It looks a bit like a mixture of oil and coolant. This doesn't explain why it sticks so tenaciously.

    I've see black, filthy engines and some "mayonnaise", oil and water mix usually in overhead areas but never anything that bad in the sump.

    I'll be interested to hear opinions from the "experts".

  5. #5
    1000+ Posts PeterT's Avatar
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    A classic case of oil and water mixed together - mayo.

    '92 205 Mi16
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  6. #6
    1000+ Posts jo proffi's Avatar
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    I went out and grabbed a bit of it off the grass.
    It feels like silicon, but can be kneeded, and doing so makes my fingers very dirty like graphite would.

    I tried to burn it with a ciggie lighter, and the oil burned off it, then nothing, no real reaction to the heat of a lighter.

    Stuck it on the bench and whacked it hard with a big hammer... No change.
    This stuff has real form..... Not that I know what mayo is like but does mayo present such a robust structure???

    Jo
    Attached Thumbnails Attached Thumbnails Sump snot.-more-snot.jpg  
    Last edited by jo proffi; 1st November 2012 at 03:50 PM.

  7. #7
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    might be anti seize paste which wasn't flushed out by early oil change?
    spiz

  8. #8
    1000+ Posts Peter C's Avatar
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    Something like Chemi Weld or Bars leaks?

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    Contented Peugeot Driver addo's Avatar
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    Has the motor even been chemically cleaned?

  10. #10
    1000+ Posts robmac's Avatar
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    I'm wondering if the deposit could be viscosity modifier or friction modifier which has come out of solution with the oil?

    VMs are additives to oil which increase viscosity ratings. As I understand an 0w-40 is full of modifiers to get the "0" rating.

    As an aside Toyota had enormous problem oil sludge in 1MZFE V6 engines because mechanics were not using the specified oil, ie 20W-40 , 0W-40 was being used instead. The friction and viscosity modifiers were sludging.

  11. #11
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by addo View Post
    Has the motor even been chemically cleaned?
    It has now....

    But prior to that, who knows???
    Its one of Robs Slaters cars from out west, but there appears to be a time when the origional owner went somewhere else for servicing....Then it was in the hands of the french backpackers who drove it here and sold it to me.
    Apart from the slime on the main cap bolts, no other evidence of the crap anywhere else.

    One other clue, whoever sealed the two end caps could have afforded to use a bees dick more goo, as they did not seal properly on the channel face which leads me to think maybe someone sometime put a liquid sealer in.

    Other than that I suspect like rob its some sort of friction modifier thats come out of suspension and accumulated in the low spot of the sump.

    Jo

  12. #12
    1000+ Posts Wildebeest's Avatar
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    Jo,
    From where I sit it looks like an accumulation of sludge created by a lack of servicing. The material that can be found in Peugeot crankshaft sludge traps. Almost like plasticene.
    Apart from the clean up done I reckon it would be best left as is. Any engine flush additives may stir the hornets!

  13. #13
    1000+ Posts robmac's Avatar
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    Quote Originally Posted by Wildebeest View Post
    Jo,
    From where I sit it looks like an accumulation of sludge created by a lack of servicing. The material that can be found in Peugeot crankshaft sludge traps. Almost like plasticene.
    Apart from the clean up done I reckon it would be best left as is. Any engine flush additives may stir the hornets!
    Like this:
    Attached Thumbnails Attached Thumbnails Sump snot.-sludge-trap.jpg  

  14. #14
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by Wildebeest View Post
    Jo,
    From where I sit it looks like an accumulation of sludge created by a lack of servicing. The material that can be found in Peugeot crankshaft sludge traps. Almost like plasticene.
    Apart from the clean up done I reckon it would be best left as is. Any engine flush additives may stir the hornets!
    Plasticene is a fair description. (except I seem to remember as a kid setting fire to plasticene)

    The motor has been stripped down cleaned chemically and physically, then sent back to the engine shop for half an hour in the hot wash machine.
    Suffice to say it is clean now.

    Jo

  15. #15
    Contented Peugeot Driver addo's Avatar
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    Does it have the blind oil galleries like earlier blocks, closed off with little Welsh plugs? I could probably spare a few 10mm plugs if so. The amount of contamination that remains in such oilways, amazes me.

  16. #16
    1000+ Posts jo proffi's Avatar
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    Quote Originally Posted by addo View Post
    Does it have the blind oil galleries like earlier blocks, closed off with little Welsh plugs? I could probably spare a few 10mm plugs if so. The amount of contamination that remains in such oilways, amazes me.
    Is that question for me??
    No I dont believe it does have anything that fits that description.

    Jo

  17. #17
    Contented Peugeot Driver addo's Avatar
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    This is a Douvrin block, right? It will have the long oilway down one side, and then two risers or one?

  18. #18
    1000+ Posts jo proffi's Avatar
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    One

    Jo

  19. #19
    1000+ Posts Gamma's Avatar
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    Its a combination of all of the above.......inc bearing shells.
    Its a lack of oil changes, gasket rejuvinator, white metal and the smell of death.

    I would think it prudent to measure your big end...s.....
    /// 1986 SII 505 GTI
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