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Diesel fuel pip

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by CrazeUK, Nov 29, 2011.

  1. CrazeUK

    CrazeUK Senior Member

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    Your Mercedes:
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    Hi Guys.
    I have a C220 CDI Auto, on a 2001.
    Recently i have been coming up with numerous little issues.

    Anyways, not so long ago i had a fuel pipe replaced which cost me about £28 (In the photo the prominant black ribbed pipe).

    However i now suspect its the pipe i have cricled in red.

    I have noticed a drip which falls from that onto the ribbed pipe.

    Does anyone know the part number?
    Also can you get it after market?

    Could it explain my cold start issues - the car starts up, then dies quickly
    after. Then i have to keep the ignition going for a short while before it stutters, starts up and churns out black smoke for a second.
     

    Attached Files:

  2. Cole@MBS

    Cole@MBS Forum Supporter Authorised Forum Supporter

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    Low pressure to high pressure pump line, can cause your starting fault, cheap from mb for the line, check the O rings first, could have been nicked last time it was refitted..........
     
  3. lee130

    lee130 Senior Member

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    That pipe you had replaced should have been the part circled in red also. When i purchaced my fuel line for the same car from the stealers i got the whole line. Costs around £50
     
  4. umblecumbuz

    umblecumbuz Senior Member

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    To add another thought:

    These pipes and the black plastic fittings on the ends go very brittle after a while, and can easily be damaged as a result. Then they weep.
    The same applies to the 'black ribbed pipe' in your photo. The ribbing is only a protective cover,underneath which is the same plastic tubing as the one in the red circle.

    Just my penn'orth.
    Baz
     
  5. OP
    CrazeUK

    CrazeUK Senior Member

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    Is that the reference to the pipe circled?
    Or is that in reference to the startup issue (if this is the case where can i find it, I dont know engines too well but ill give it a go :D)
     
  6. OP
    CrazeUK

    CrazeUK Senior Member

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    This is what i suspect the problem is. I think the pipe comes with a fitting attached. I am presuming that fitting is in some way damaged.
     
  7. umblecumbuz

    umblecumbuz Senior Member

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    Yep - the pipes come from MB as an assembly, with the end fittings already attached.

    Baz
     
  8. umblecumbuz

    umblecumbuz Senior Member

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    A small tip if the fitting itself is leaking because of a worn or damaged 'O' ring:

    Wind one turn of ptfe tape around the 'O' ring before clicking into place. It is an effective and permanent repair for such a problem.

    Just my penn'orth.
    Baz
     
  9. Cole@MBS

    Cole@MBS Forum Supporter Authorised Forum Supporter

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    Just to update the above post, new O rings are cheap as chips from mb.........

    A little grease when fitting always helps......
     
  10. OP
    CrazeUK

    CrazeUK Senior Member

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    Guys thanks for all the great advice.
    Does anyone know what i would call this pipe when calling MB parts?

    Also someone mentioned i should try not get an airlock when replacing.. how would i avoid this?
     
  11. SilverSaloon

    SilverSaloon Active Senior Members

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    Your Mercedes:
    w124/1994/om606
    its called a "clear plastic fuel pipe", but will have a specific MB part number.

    best to just take the car to them and show the $tealer parts dept the pipe in situ and they will order it up.
     
  12. OP
    CrazeUK

    CrazeUK Senior Member

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    Hey guys, a quick update.
    I took the car to the garage, and got that and another pipe changed.

    In all 3 pipes changed:
    Fuel filter to distributor £24.50 (part) + £10 labour. (£35)
    2 Others £125 (inc labour).

    The dripping has now stopped, so no more fuel smell.
    Also no patches under the car.
    Fuel efficiency is back to normal (apparently i was losing about 10-20%).
    Also the car now starts up perfectly first time around every morning.
     

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