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Author Topic: Wiper motor  (Read 60 times)

Offline Nickrussell

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Wiper motor
« on: October 27, 2018, 05:00:25 pm »
Trying to get my windscreen washer working on my 406. Bought a new pump as all pipes etc had no blockage and presumed this was the issue. Pump will only draw water direct from source not via pipe from water bottle to pump. Is this pump correct for the job or am I missing something. Does it look like what other guys have ?

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Offline Dan the Man

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Re: Wiper motor
« Reply #1 on: October 28, 2018, 01:55:51 pm »
Nick,
I canít give specific advice on this particular pump.  However, pumps usually have a suction limitation as to how high they are able to lift the fluid before it arrives at the pump (this is limited because the pump is creating a partial vacuum in the pipe, thereby using atmospheric pressure to push the fluid up to the pump).
From what youíve said, it sounds as though the pump works if itís not having to lift the water out of the bottle.
You might be able to relocate the pump lower down, reducing the suction head required.
Also, try priming the pump (filling the supply pipe with water) - that may also help.
Drawback with this is that if you run the bottle dry, youíd manually need to re-prime the pump.
Hope that helps.

Offline Nickrussell

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Re: Wiper motor
« Reply #2 on: October 28, 2018, 06:50:12 pm »
Thanks dan will give that a whirl. As usual what I thought was going to be a easy job produced issues

Offline Nickrussell

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Re: Wiper motor
« Reply #3 on: November 04, 2018, 04:50:50 pm »
Tried lowering the pump Dan, it did work after a fashion but not properly. Iíve now bought a different type of pump which works a treat, the original one must av been bodged at sometime.

 

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