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Engine oil jelly-like

Discussion in 'TD5' started by tom1979, Feb 15, 2020.

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  1. tom1979

    tom1979 Well-Known Member

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    Noticed my oil level was a bit high a few weeks ago so stopped driving it and today gone to do the injector seals. I can't see any diesel coming up but found the oil had thick glupy spots on the rocker cover. Is this due to diesel dilution? The oil was only changed around 3 months ago / maybe 1500-2000miles. I've seen it before on other peoples vehicles but assumed it was down to not changing the oil...

    D733B219-7689-4CF6-854F-5036AAC45AE5.jpeg
     
  2. kermit_rr

    kermit_rr Well-Known Member

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    I'd say that was pretty normal. Oil gets sprayed up, dries a bit
    Repeat
    Eventually you get deposits
     
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  3. jamesmartin

    jamesmartin Well-Known Member

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    diesel just thins it,lack of changes is where i usually see it
     
  4. tom1979

    tom1979 Well-Known Member

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    That's what I was think but.... oil gets changed very regularly here - probably every 2-3000 miles! As long as it's "normal" that's fine o_O I've only seen it in vehicles that don't get looked after!
     
  5. kermit_rr

    kermit_rr Well-Known Member

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    Guess it depends on the age of the motor!
    I've only ever taken rocker covers off older examples, never looked inside a 5 year old engine
    Lack of oil changes won't help, but, of it sounds sweet then all is good
     
  6. tom1979

    tom1979 Well-Known Member

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    2003 - 185000 miles
     
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  7. kermit_rr

    kermit_rr Well-Known Member

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    I don't know for sure, in not a pro mechanic that's seen 1000s of motors, but that engine has gone thru a lot of heat cycles, i wouldn't expect it to look like new
     
  8. tom1979

    tom1979 Well-Known Member

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    What do we reckon the yellow would be? I like butter, but not in my engine :confused:
     
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  9. kermit_rr

    kermit_rr Well-Known Member

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    Hadn't noticed that! Is it like the 'milk' you get from oil/water mix? Condensate from a few short journeys?
    Have you found the cause of the high oil level?
     
  10. tom1979

    tom1979 Well-Known Member

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    I was just thinking that, I do a fair amount of short journeys. I haven't pulled in injectors yet but I couldn't see or hear any diesel coming up from around them. Very odd - as you can normally see it
     
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  11. tom1979

    tom1979 Well-Known Member

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    On closer inspection there are spots of red in the oil, looks like coolant! So how would there be coolant in the oil but no oil in the coolant ?
     
    Last edited: Feb 19, 2020
  12. kermit_rr

    kermit_rr Well-Known Member

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    Oops! High pressure coolant can get into oil on low pressure side. Think that's what can happen if you have a poorly oil cooler. But i might be mixed up
     
  13. tom1979

    tom1979 Well-Known Member

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    From what I've read failed oil cooler seals let oil in the coolant, coolant in the oil is more likely head :(
     
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  14. kermit_rr

    kermit_rr Well-Known Member

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    Yes couldn't remember, i knew it was one or the other lol
     
  15. vincentwhowse

    vincentwhowse Member

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    hi my disco Is poorly.
    shuddering in gear. windscreen crack 3 lights on maybe time to sell advice, please.
     
  16. Discodevon

    Discodevon Well-Known Member

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    Looks like your engine has been used for short distance driving where it hasn’t got up to temp,

    Try using forte engine flush then change oil and filter (10w40 semi)
     
  17. tom1979

    tom1979 Well-Known Member

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    That's what I assumed at first but the oil cap was clean (normally get sludge in it) then I found coolant in the oil.
     
  18. Discodevon

    Discodevon Well-Known Member

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    The oil cap doesn’t get affected as the oil splash guard is in the way really, if the cam lobes and rockers are in good shape then you are not to worry
     
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  19. tom1979

    tom1979 Well-Known Member

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    I'm more concerned about where the coolant has come from :eek:
     
  20. Discodevon

    Discodevon Well-Known Member

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    it”ll be alright mate don’t worry for the minute, can you clean the bits on the rocker cover with brake cleaner, then after that forte engine flush
     
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