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722.6 cold lurching and harsh shifting

Discussion in 'Engine, Drivetrain, Fuel and Exhaust' started by mickael, Nov 12, 2017.

  1. OP
    mickael

    mickael Member

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    Your Mercedes:
    1964 190d , 1996 sl 500, 2005 e320 cdi
    i have not heard that term before. where is it and how far down do i need to dismantle the trans to get to it? engines i know a bit about...transmissions i know only the bare basics on....but obviously am learning :p
     
  2. alexanderfoti

    alexanderfoti Moderator

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    Your Mercedes:
    W221 S65 AMG - W204 C63 AMG
    sump off
    filter out
    remove all the torx bolts, and then the whole unit drops out from underneath.
     
  3. OP
    mickael

    mickael Member

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    Your Mercedes:
    1964 190d , 1996 sl 500, 2005 e320 cdi
    is the ehcu the same thing as the valve body?
     
  4. Arudge

    Arudge Senior Member

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    CLK200 2000 Kompressor
    Drain some ATF off first or you will get very wet.:p:p
     
  5. OP
    mickael

    mickael Member

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    Your Mercedes:
    1964 190d , 1996 sl 500, 2005 e320 cdi
    i love the smell of trans fluid in the morning....<ride of the Valkyries comes up in the background>
     
  6. Steve@Avantgarde

    Steve@Avantgarde Forum Supporter Authorised Forum Supporter

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    Your Mercedes:
    Mercedes-Benz C32AMG, SL55AMG, C320CDI Sport Edition Estate and SLR McLaren Coupe Roadster.
    Yes. Electro Hydraulic Control Unit.
     
  7. OP
    mickael

    mickael Member

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    Your Mercedes:
    1964 190d , 1996 sl 500, 2005 e320 cdi
    thanks for all the info...i will try to pull the valve body this week and post what happens. i took the opportunity to just look for what a remanufactured valve body would run.....argh...not cheap. will order a tc lockup valve and spring and go that route :)
     
  8. Arudge

    Arudge Senior Member

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    CLK200 2000 Kompressor
    Welcome to Mercedes.;);)
     
  9. om613

    om613 Senior Member

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    S210 E320cdi, S123 240Td
    How much is a new solenoid, Steve?
    Anyone tried rejuvenation, tinkering, swapping out, etc.?
    Given the work and fluid involved, I'd think not.
     
  10. Arudge

    Arudge Senior Member

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    CLK200 2000 Kompressor

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