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Thread: Transmission cooler hoses at radiator - part numbers

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    E500E Guru emerydc8's Avatar
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    Transmission cooler hoses at radiator - part numbers

    Can anyone tell me where, in the epc, the part numbers are listed for the two flex lines that go to the radiator. I can't seem to find it. Thanks.
    Jon D.
    1994 E420
    1995 E420

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    Re: Transmission Cooler Lines

    EPC Group 27 (transmission), subgroup 180. Looks like callout 772 and 774 for the 722.370, USA version.

    Be careful! The EPC lists multiple different hoses, since this transmission was used in both 124 and 140 chassis. Read the footnotes to make sure you are getting the 124 hoses. Should be:

    Left hose = 220-997-16-52 (previously 019-997-83-82, which is available aftermarket)
    Right hose = 019-997-41-82

    UPDATE: Screenshot from EPC attached.

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    Dave M.
    1997 E420 (Bugeyes)
    1994 E420 (Blondie)
    1994 E500 (Q-ship)
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    Re: Transmission Cooler Lines

    Thanks, Dave. The Mercedes epc draws flex lines that look like straight pieces and I just overlooked it. Have a good weekend.
    Jon D.
    1994 E420
    1995 E420

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    Re: Transmission Cooler Lines

    Note that the factory piece with the 220 number DOES NOT have the coiled metal spring around it for protection. It is highly advisable to get the aftermarket hose from AutohausAZ.com as it does come with the coiled spring as the original hose did that came on the car.

    There is a post on this forum from 500AMM, and he took the new 220 MB hose and put his old spring around it. However the aftermarket hose is of good enough quality (Continental) and cheap enough that it is just worth getting the aftermarket hose for this. I did this when I did my tandem pump job, as my stock hose was leaking a couple of drops of red stuff where it mated with the other hose.

    Cheers,
    Gerry


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    Re: Transmission Cooler Lines

    Thanks, Gerry. I ordered both lines from AutohausAZ. For the line on the right, it said that it did not have a spring. I can't remember if it was only the left side that came with the spring or both.
    Jon D.
    1994 E420
    1995 E420

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    Re: Transmission Cooler Lines

    Only the driver's side (left side) has the spring, even on new cars shipped from MB assembly lines. The right side has no spring, never had one.

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    Re: Transmission Cooler Lines

    The parts came today from AutoHausAZ. The left side is a Conti. The right side is an FUB Kraftstoff/Fuel DN 10 PN 10bar (picture).
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    Jon D.
    1994 E420
    1995 E420

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    Re: Transmission Cooler Lines

    Definitely looks FUBar to me.

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    Re: Transmission Cooler Lines

    Yeah, but it's got German text, and a Sportline logo on it! How cool is that!


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    Re: Transmission Cooler Lines

    Quote Originally Posted by gsxr View Post
    Yeah, but it's got German text, and a Sportline logo on it! How cool is that!

    That's good for an extra 45HP then eh?

    "I think that in any race engine, the nearer you are to it disintegrating, in general, the better it's performance will be." Keith Duckworth

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    Re: Transmission Cooler Lines

    I took this line off my 94 E420. I remember replacing it about three years ago and figured I would do it again since it is cheap insurance. Check out the worn spring where the sway bar rubbed against it. That is a good argument for the spring around the hose. I wonder why Mercedes stopped making it that way.
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    Jon D.
    1994 E420
    1995 E420

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    Re: Transmission Cooler Lines

    The current lines are shared with newer cars, which evidently have a different routing that doesn't require that level of protection. The current lines just have a couple of large rubber bushings around the line that offset it from whatever hazards it may rub up against. As long as the aftermarket "spring" lines are available, I think they are a better option (and also less expensive) than the factory 220 part.

    That's interesting that your line rubbed up against your sway bar. Mine did not do this nor did the replacement line that I fitted when I did my recent tandem pump rebuild job. I wonder if you could route your line differently so it wouldn't do that.

    Cheers,
    Gerry

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    Re: Transmission Cooler Lines

    I didn't notice the placement of the old line until I removed it, but the new line sits about 1.5 inches above the bar with weight on the wheels, so maybe it was just the way I installed the old line and should have positioned it a bit better.
    Jon D.
    1994 E420
    1995 E420

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    Re: Transmission Cooler Lines

    Just changed the transmission lines on my 95 and noticed that whoever installed the last line on the passenger side decided that a spring on the line was of such high importance that it warranted cutting the line and clamping the hose back on where it joins the banjo bolt by the radiator. I installed the new line without the spring.
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    Jon D.
    1994 E420
    1995 E420

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    Re: Transmission Cooler Lines

    Holy Heart Failure, Batman !!
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    Transmission cooler lines

    Hi all

    Good evening. Does anyone happen to have the part number handy for the transmission cooler lines - the ones that connect to the radiator? I am doing the radiator, hoses, etc., and might as well do the cooler lines.

    Thanks

    Andrew
    94 E500

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    Re: Transmission cooler lines

    2209971652 and the 1242704996. Verify this on your own, as the pictures are not conclusive for me. I contrasted that with the C126 for picture likeness and they seamed to be right, but as always - call and verify before you buy.
    1994 E500
    249/275 - 8F19 or 8F32 or 8320

    1991 560 SEC
    199/268
    2014 E350 Cab 799/264

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    Re: Transmission cooler hoses at radiator - part numbers

    Merged threads on same topic. See post #2 above for hose part numbers and EPC screen shot.

    Louis, p/n 1242704996 is for the metal L-shaped pipe that attached to the radiator. This is confusing in the EPC screenshot (callout #798) and years ago, I mistakenly ordered one.


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    Re: Transmission cooler hoses at radiator - part numbers

    I thought as much, EPC clearly says 2 for the C126/W126 but no such luck on the 124.036 - So the 220 PN is the only one to buy and only one is required?
    1994 E500
    249/275 - 8F19 or 8F32 or 8320

    1991 560 SEC
    199/268
    2014 E350 Cab 799/264

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    Re: Transmission cooler hoses at radiator - part numbers

    Louis, there are 2 hoses, but they are different left vs right... different part numbers. Scroll up to post #2 for the details.


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    Re: Transmission cooler hoses at radiator - part numbers

    I saw that, thanks!
    1994 E500
    249/275 - 8F19 or 8F32 or 8320

    1991 560 SEC
    199/268
    2014 E350 Cab 799/264

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    Re: Transmission cooler hoses at radiator - part numbers

    Thanks, all. Much appreciated.

    Andrew

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