Washer Nozzle Removal? - Mercedes-Benz Forum
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#1 (permalink) Old 01-03-2011, 11:47 AM
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Washer Nozzle Removal?

My E430 4Matic's windshield washers are not working. How do you remove the nozzle assembly from the underside of the hood (bonnet)? How do you replace it? How do you remove the nozzles from the assembly? I'm hoping to avoid what the dealer says would cost hundreds of dollars! I'd be grateful for any advice.
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#2 (permalink) Old 01-03-2011, 12:01 PM
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Not enough information given.

What did the dealer say the problem is? See if the pump still works and if so then check for loose or leaking hoses. There is also a possibility that the nozzles are clogged and you can clear those with a safety pin or something similar. Or maybe it's the switch in the stalk. Then again it might be a fuse/relay.

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#3 (permalink) Old 01-03-2011, 03:34 PM
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Thank you for your reply. The dealer said he thought it was clogged nozzles, and I tried a single thin stiff wire from a wire brush in the openings of the nozzles. The wire went in alomst 1cm, and I moved it in and out in hopes of scrubing the interior of the nozzles. The wire might have been too thin, it was much smaller than the diameter of the openings. There was no change after using the wire.

One of the nozzle units squirts feebly and the other has good flow, but comes flowing out from somewhere in the nozzle unit, but not through the nozzle openings.

The dealer said that the parts are $50 each, so if I replaced them myself, I'd save the labor charge, which apparently is over $100.

Is it difficult to remove and replace the nozzle units? How do you do it? Do you need special tools?
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#4 (permalink) Old 01-03-2011, 05:14 PM
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http://www.caschy.com/benz/docs/nozzle1.pdf

this doesn't really help much but at least it shows the angle/position of the nozzle squirting direction

Can't find anything in WIS to show about removing them...wierd

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#5 (permalink) Old 01-03-2011, 06:04 PM
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Thanks for the spray pattern document. I've been looking for it for ages.



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#6 (permalink) Old 01-04-2011, 11:16 AM
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The Specified Tool (110 589 02 63 00) aka Hazet 4850-1 is a Nifty "Dual Purpose" device which has come in quite handy.

Yes, the One End has the Needle for Cleaning and Adjusting the Windscreen Sprayer Nozzle, but the other actually hasn a Magnet in the Telescoping end used to direct the spray pattern.

Great for those "Doohhhhooo" moments when you drop a ferromagnetic piece into the engine bay....

http://www.samstagsales.com/images/hz4850-1.jpg
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#7 (permalink) Old 01-04-2011, 11:42 AM
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Quote:
Originally Posted by Kobus View Post
Thanks for the spray pattern document. I've been looking for it for ages.
Well ,,,,, I am disappointed. I pulled my slide caliper to do a perfect job only to discover there are no measurements given.

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#8 (permalink) Old 01-05-2011, 06:26 AM
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Quote:
Originally Posted by bwosl View Post
My E430 4Matic's windshield washers are not working. How do you remove the nozzle assembly from the underside of the hood (bonnet)? How do you replace it? How do you remove the nozzles from the assembly? I'm hoping to avoid what the dealer says would cost hundreds of dollars! I'd be grateful for any advice.
Just because water does not come squirting out---------how do you automatically know that both nozzles went bad, at the same time!! That is a leap of faith. Then to add insult to injury you go and get a sharp pin or some other Chinese knock off tool, insert the tool and puncture the squirter diaphragm and ruin a 32 dollar part.

Why not first disconnect one of the nozzles and press the switch----does water come out of the hose-------then do the same on the other side. What happens??? Ding How!!
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#9 (permalink) Old 01-05-2011, 06:35 AM
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Originally Posted by G-AMG View Post
The Specified Tool (110 589 02 63 00) aka Hazet 4850-1 is a Nifty "Dual Purpose" device which has come in quite handy.

Yes, the One End has the Needle for Cleaning and Adjusting the Windscreen Sprayer Nozzle, but the other actually hasn a Magnet in the Telescoping end used to direct the spray pattern.

Great for those "Doohhhhooo" moments when you drop a ferromagnetic piece into the engine bay....

http://www.samstagsales.com/images/hz4850-1.jpg
Is this available at big box stores, or a MB only part?
Thanks,
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#10 (permalink) Old 01-05-2011, 06:50 AM
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Remember the real MB part looks nothing like the Hazet Chinese knock off.

The MB part is a 33 dollar part---get the dealer part-----no sharp edges and the correct length!!
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