Replacing windshield spray pump - Mercedes-Benz Forum
 
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post #1 of 9 (permalink) Old 08-09-2019, 08:37 AM Thread Starter
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Replacing windshield spray pump

When I bought my car last year I noticed that the windshield spray didn't work, I wasn't worried about it as a new pump is pretty affordable and the procedure to replace seemed straight forward. I bought the pump and went to install it but found out that the part that attaches the hose to the pump has a broken neck and fitting causing the reservoir to drain and the pump failed. Does anyone know where I could get this part... it appears to have a sensor in it that runs a wire back into the cabin that I would have to splice together I guess. I didn't have a camera available at the time so no picture but I can go snap one if it will help identify the part.
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post #2 of 9 (permalink) Old 08-09-2019, 08:45 AM
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Parts...
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post #3 of 9 (permalink) Old 08-09-2019, 01:12 PM Thread Starter
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The part I'm looking for does not look like it's listed on this list, here are a couple pics I just took.



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post #4 of 9 (permalink) Old 08-09-2019, 01:40 PM
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MB only offer complete hose assembly part # 2218600292 (160 in diagram) unless you can find cheap sacrificial part and splice wiring only alternative is replacement used i.e.: https://www.ebay.com/itm/Mercedes-W2...QAAOSwBxBc4eOm
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post #5 of 9 (permalink) Old 08-09-2019, 01:41 PM Thread Starter
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Just talked with the parts guy at the dealership and he gave me a number to Google,

2218600292

https://www.google.com/search?q=2218...A0T8FLwUATQCM:

Looks like the piece I'm looking for, it's unfortunate that I have to buy 10 feet of hose and wire to satisfy the replacement of a broker plastic throat on the sensor... you're better than this Mercedes.
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post #6 of 9 (permalink) Old 08-09-2019, 01:46 PM Thread Starter
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I'm a bench jeweler by trade so I might just see if I can make a new neck assembly out of metal that I can then modify to fit the parts together. The used one on eBay is another good option, thanks for your help.
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post #7 of 9 (permalink) Old 08-09-2019, 09:57 PM
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Quote:
Originally Posted by Cyberbach View Post
I'm a bench jeweler by trade so I might just see if I can make a new neck assembly out of metal that I can then modify to fit the parts together. The used one on eBay is another good option, thanks for your help.
Oddly enough I just replaced my washer hose assembly for the very same reason, broken at the point where it connects to the washer pump. The crazy thing is ... the washer nozzles are heated as well as the fluid. What I mean to say is there are a couple of wires that run internally the length of the tubing, in the washer fluid that heat it ... as well as the wires that run externally to heat the nozzles. All this in addition to a heated fluid reservoir.

And I live in the desert! lol

All of this to say, there are four conductors in that black plastic block, just some info should to look to repair what you have.
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post #8 of 9 (permalink) Old 08-12-2019, 11:13 AM Thread Starter
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Originally Posted by Cyberbach View Post
I'm a bench jeweler by trade so I might just see if I can make a new neck assembly out of metal that I can then modify to fit the parts together. The used one on eBay is another good option, thanks for your help.
I took a 9mm brass case and it will fit nicely over the end on the sensor that is broken. I will secure it with JB weld overnight. I fashioned a brass tube and soldered it into the case where I had cut the headstamp off, then I made a small copper ring on the end to facilitate a tighter seal when I secure it with a clamp... it's not the prettiest thing coming off my bench but it will save me some major time under the hood.

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post #9 of 9 (permalink) Old 08-12-2019, 11:39 AM
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