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MG MGA - MGA Windscreen Washer Upgrade

My 57 MGA Coupe came from the factory with the optional windscreen washer. I restored the manual pump cosmetically but have never been able to get the manual pump to work. I thought about what I could do and came up with this.

I’m going to install an electric MGB windscreen washer pump in my MGA that will be activated by the original pump knob so the dash will look as original. I removed the rubber bulb from the original pump housing and I am using the original stem/knob to push a starter button I bought from Holden Vintage & Classic that I installed in the back of the original pump housing. I had to fabricate a 1” diameter washer with a hole large enough to accept the switch. To make the stem long enough to push the starter button, I drilled and tapped the end of the stem to accept a 10-32 screw. I put a small spring on the stem to keep light pressure on the stem/knob so it’s not loose when not being used. I will mount the MGB electric pump under the dash. Still have to make a bracket for it. I’ll let you know how it works when I’m done.

Jim





JL Cheatham

More pictures




JL Cheatham

Final pictures




JL Cheatham

Jim
I like it - very impressive
Graham V

That's pretty slick.

-Del
D Rawlins

The original pump is back in the dash but it’s now a switch that controls the electric pump. I made a new bracket that is attached to the center two dash support brackets and the electric pump is attached to it. The pump works when I push the knob on the dash. I now have to remove and clean the nozzles because the fluid will not go through them.

I’ll report back when all is working.

Jim




JL Cheatham

Very clever Jim.
I just used the fog lamp switch as I don't have one.
Art
Art Pearse

This thread was discussed between 15/03/2022 and 17/03/2022

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