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Author Topic: Windows washer water pump mounting  (Read 2977 times)

col320ce

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Windows washer water pump mounting
« on: November 26, 2016, 15:25:51 »
Should the windows washer water pump be mounted vertically or horizontally.  Mine is vertical and works when it's primed but if I try to use it the following day it doesn't seem to move the water as the 'gears' are spining in air.
I assume this is a positional thing.
Any pictures of it in a RHD 230SL as I'm not sure where it goes if it's horizontal.
Thanks for any help...
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Col

1964 230SL
1965 250SE coupe
1993 320CE Sportline

cfm65@me.com

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Re: Windows washer water pump mounting
« Reply #1 on: November 26, 2016, 16:06:29 »
Hi Col,
The washer pump is mounted horizontally.
If you look under the General Discussion section, about 3 posts down is a post re Hemmels restorations. They have a nice picture of the engine bay of a LHD which should give you an idea. Mine is unfortunately also LH. However, someone is bound to send you a picture if you cant figure it out.
Regards
Chris
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Tyler S

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Re: Windows washer water pump mounting
« Reply #2 on: November 26, 2016, 18:55:52 »
Either way it is mounted, air can get into the system if the washer bottle level is lower than the pump. A check valve can be added to the end of the washer hose in the bottle to keep it primed.
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1968 (67) 250sl. 4 speed manual. DB180 Silver
1955 220 Cabriolet A. White Grey
2019 E450 Wagon. Majestic Blue
1936 Ford PU Flathead V8. Creme on tan interior.
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Garry

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Re: Windows washer water pump mounting
« Reply #3 on: November 26, 2016, 21:33:04 »
This is mine on a ’65 230SL RHD

Garry
« Last Edit: November 26, 2016, 21:37:16 by Garry »
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Garry Marks
Melbourne/ Kyneton, Brisbane. Australia
1969 MB 280SL 5 speed RHD SOLD.
1965 MB 230SL Auto RHD Lt Blue 334G, Top 350H, 213 Leather, Tourist Delivery.
1972 MB 280CE Auto RHD 906G Blue Grey
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col320ce

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Re: Windows washer water pump mounting
« Reply #4 on: November 26, 2016, 23:11:21 »
Awesome info!
I'll re mount mine and try to source a check valve.
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Col

1964 230SL
1965 250SE coupe
1993 320CE Sportline

col320ce

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Re: Windows washer water pump mounting
« Reply #5 on: November 27, 2016, 05:42:40 »
All mounted horizontally and working well.  I've ordered a 4mm  check valve so hopefully this makes it work instantly each time...
Thanks as always...
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Col

1964 230SL
1965 250SE coupe
1993 320CE Sportline
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