E320 CDI V6. Where is the EGR

Discussion in 'Engine' started by Simon Forsey, Nov 2, 2011.

  1. Simon Forsey

    Simon Forsey New Member

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    Hi, Hopefully someone can tell me where the EGR valve is situated on the V6 as I suspect I have a problem with it.

    many thanks
    Simon
     
  2. crockers

    crockers MB Club Veteran

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    What symptoms are you getting? Why do you suspect EGR?
     
  3. OP
    OP
    Simon Forsey

    Simon Forsey New Member

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    Hi Crockers,

    Thank you for your reply, the car drives fine but if I am driving very gently then put my foot down it feels like its being starved of fuel and goes in to a kangaroo. if I let my foot off then try again putting my foot down it is fine and will be from then on, its like something opens and frees its self but once free it is ok, if I let it do it and keep my foot down when the problem happens it goes in to limp mode until I restart. it really feeld like something is sticking which is why I have an idea it could be the EGR, looking on here there is plenty about the EGR but not for the 3.0 cdi V6. If you can help it would be much appreciated.
    Simon
     
  4. corned

    corned Hardcore MB Enthusiast

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    Hopefully this isn't another inlet port flap motor problem.

    If it is, Crockers is your man...
     
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  5. BlackC55

    BlackC55 Authorised Forum Sponsor Authorised Forum Sponsor

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    Your best bet is to get it on a Star diagnostic machine firstly to get it diagnosed.
     
  6. jaymanek

    jaymanek Authorised Forum Sponsor Authorised Forum Sponsor

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    It will be inlet port... but you do need to get it on a Star, you cant guess these things.
     
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  7. crockers

    crockers MB Club Veteran

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    That's how my car was before it failed....I'm on my 4th,,,:eek:

    Now ...... believe it or not - it happened again just twice on the same day in France in September...but hasn't happened again. I'm slightly concerned that my 5th is looming large.

    Everytime this "kangaroo" action has happened to me - nothing has shown up on Star....:doh:
     
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  8. OP
    OP
    Simon Forsey

    Simon Forsey New Member

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    Hi Crockers,

    Is it a simple fix or something I can do myself?

    Simon
     
  9. Alex Crow

    Alex Crow Hardcore MB Enthusiast

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    This problem is cropping up on the forums quite a lot at the minute, as far as I have seen there is no explanation and definitive cure mentioned yet.
     
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  10. mobeyone

    mobeyone Hardcore MB Enthusiast

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    Happens to me too( though it has not happened since I changed my air filters? But talking to the garage they advised it was possibly inlet but no error codes when plugged in? But it does sound like a fuelling issue?

    Have you had your fuel filter changed recently? Mines old and looks like its not been changed in over 20k so is getting changed next weekend but I have this kind of hesitation before it pulls when I accelerate hard but only every now and then.
     
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  11. crockers

    crockers MB Club Veteran

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    If it is the inlet port shut off valve - it has frozen due to a leaky seal. Oil has passed through and jammed it. It has to be replaced with a new seal - supposedly there is a new seal that has been improved.

    I know of no-one who has had this go more than once (except my 3 times). I now have a letter from MB stating if it goes again the most i will ever have to pay for this is 10% of the costs.

    It isn't a simple fix - best off talking to BlackC55 or Jaymanek as they are replacing them all the time.

    I am no mechanic so wouldn't know where to start.

    I do believe it is labour intensive.

    Good luck :thumb:
     
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  12. BlackC55

    BlackC55 Authorised Forum Sponsor Authorised Forum Sponsor

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    Its not a simple job to do as there is quite a bit to it. I ALWAYS change the manifolds too as its not just the oil leak that causes the failure. The flaps get sticky and cause the motor to labour.

    Alex. Llambda sensors?
     
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  13. Alex Crow

    Alex Crow Hardcore MB Enthusiast

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    Could be, they certainly fail on the OM642.

    One recent suggestion from MB was the 722.9 transmission, and trying it in the 'S' position as opposed to the 'E' position - but they were just guessing like the rest of us!

    The Kangarooing certainly looks like a common complaint on the forums though.
     
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  14. OP
    OP
    Simon Forsey

    Simon Forsey New Member

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    Hi All, it turns out the its the turbo Actuator thing that is the problem. Expensive little job but if it gets worse I guess I will have to have it repaired.
     
  15. jaymanek

    jaymanek Authorised Forum Sponsor Authorised Forum Sponsor

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    Yes there are companies advertising to repair it, be interested to hear how you get on.. Ive never had success, ive always had to replace the entire turbo's.
     
  16. OP
    OP
    Simon Forsey

    Simon Forsey New Member

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    I am going to see how bad it gets, at the moment its not really much of a problem, I was told its worth lubricating it but can't see that it will do much good as and may just make it worse. I will keep posting and maybe look for a new turbo while its not too bad, maybe someone out there has a turbo for sale.
     
  17. mobeyone

    mobeyone Hardcore MB Enthusiast

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    Hi,

    How was this diagnosed? and what is required to fix it? new turbo etc?

    Since I had my air filters and fuel filter changed, I have not had this in fact the last time it happened was when it was taken on a test drive but in 10k miles its happened 3 times.
     
  18. corned

    corned Hardcore MB Enthusiast

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    Funnily enough, you may be in luck. I think someone on here bought a turbo for a problem which turned out to be nothing to do with the turbo. Have a search on here for it. If I find it I'll post a link.
     
  19. mobeyone

    mobeyone Hardcore MB Enthusiast

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  20. OP
    OP
    Simon Forsey

    Simon Forsey New Member

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    Location:
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    E 320 cdi V6
    I took the car to Mercserve in Nottingham and had in on the star machine, the fault was the Turbo Actuator. Roger was pretty good and lubricated the actuator and touch wood it has not done it since, I think I may keep putting Mobil 1 around it so it gets in there, I dont think its a permanent fix but I have seen other car brand forums and it seems they do need to be lubed. I know nothing but as to what will be wrong with it internally but there is a company not far from Nottingham that Dieselman suggested that fix these things so there should not be a need to replace the turbo.
     
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