Washer Jet Diagnosis. Am I right? - Mercedes-Benz Forum

 
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post #1 of 6 (permalink) Old 09-19-2010, 11:26 PM Thread Starter
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Washer Jet Diagnosis. Am I right?

So I decided to have a look into the washer jet not working on my '68 280se.

This is what I found

1. Unscrewed the foot pump etc, switch works fine as wipers do wipe. BUT no water comes out the jet

2. Could be completely wrong but I get the impression something should be attached to the Black bladder bit


3. Looking in the engine I see 1 hose not connected to anything with a very rough cut on the end


4. I find 2 random bits of hose just sitting in the engine bay


5. I poke through a grommet in the firewall and see where it leads to in the engine bay.


6. I think I need to find some new hose and feed it through this and connect it to the bladder pump piece. (Note grommet out of focus up the back)


7. Am I right? Or completely wrong?

8. If I'm right, does anyone know where to buy new hose?

9. Any pics of how it should attach to the bladder? Is there a connector piece I am missing?

Thanks in advance

(Plus a few extra shots for the hell of it)

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post #2 of 6 (permalink) Old 09-20-2010, 12:32 AM
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You're right, a hose should be connected to that bladder and go through a grommet in the firewall to the fluid reservoir. New hose at the dealer is sold by the meter and shouldn't cost much.

1981 300SD DB881 ext./code #236 leather int. aka: thistle green ext./olive int.
1982 300D, DB877 ext./code #135 mb-tex int. aka: petrol green ext./creme int.
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post #3 of 6 (permalink) Old 09-20-2010, 01:39 AM Thread Starter
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Great, ill get onto ordering it tomorrow!

Do you know how it connects to the bladder? does it just poke in there or is there some plastic piece that helps connect them securely?
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post #4 of 6 (permalink) Old 09-20-2010, 01:48 AM
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The hose might not be the only problem. It is possible the pump is leaking and that that is the reason the hose is disconnected. Check the pump for leaks first.
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post #5 of 6 (permalink) Old 09-20-2010, 02:26 AM Thread Starter
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Originally Posted by Govert70227 View Post
The hose might not be the only problem. It is possible the pump is leaking and that that is the reason the hose is disconnected. Check the pump for leaks first.
Will do, ill clean it out and fill it with water and see what happens.

I have a feeling the water tube may have been chewed through (rat?)

Hope to find time to sort this out in the coming weeks
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post #6 of 6 (permalink) Old 09-20-2010, 10:09 PM
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Tubing is available at any autoparts store too - dealership will be expensive.

I rigged up a push button under the foot pump that activated a generic windshield water pump I bought - much better than a foot pressure activated bladder.
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