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Thread: I've got a leaky "thing"

  1. 17th May 2010, 10:25 AM #1
    brianwood's Avatar
    brianwood
    brianwood is offline Master
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    I've got a leaky "thing"

    Hey all,
    Can someone please tell me what it is.
    In the coolant system on my 300 tdi. Has 3 6mm hoses connecting to it. Its black with a diameter about a 50c piece. In between the coolant tank, radiator and head. About 200mm from the coolant tank.
    Well, its leaking. And I dont know what it is, what its called, or what it does.
    Any clues?
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  2. 17th May 2010, 10:58 AM #2
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    Scouse
    Scouse is offline OldBushie Gold Subscriber
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    It's called an ejector pump. I believe there's a valve of some sort inside that controls the flow of coolant to the expansion tank. I could be wrong though.

    Part # PCH117840
    Scott
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  3. 17th May 2010, 03:02 PM #3
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    nice1guv
    nice1guv is offline Wizard
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    You're the third person in the last few weeks with this problem:

    Cooling system ejector pump

    http://www.aulro.com/afvb/discovery-...-assembly.html

    I haven't opened one myself, but from these threads the ejector pump is nothing more than a y-joiner.
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  4. 17th May 2010, 10:29 PM #4
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    eddy
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    I have just replaced mine with a genuine from the UK cost 19 pound.Looking at it,there is no valve in the plastic housing so should be ok to replace it with a tee piece.Goss fuel parts do them for about $4.00.
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  5. 18th May 2010, 10:13 AM #5
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    Bazzle218
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    Dont wait replace it ASAP, if it fails completely you will cook your motor. A brass 3 way T piece is the way to go, i believe it helps bleed air from the system.
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