Posted 08 May 2021 - 05:55 PM
So I've rigged up a substitute washer bottle using a bicycle water bottle. Drilled a hole in bottom and fit the stock rubber grommet and slid the pump intake spigot in. Holds pretty well. I leave the bottle top pull spout open as pressure relief. A Zip tie through a couple of nearby holes in body panel hold the bottle well. Only concerns are limited volume, though the 500 ml seems to allow quite a descent number of squirts and I do not drive much in wet weather any way. Also, bit of concern having the pump sticking down vertically as it hangs from intake spigot. Could get knocked off or broken off. Ideally would like to fit it remotely from the bottle and mounted in safe place. I tested it and found it cannot develop suction on a hose into the fluid, it must be located below the volume of liquid to draw it in. So that limits locations to place it. A hose through bottom of bottle, leading to pump horizontally or lower position should work fine.
Next up, try to find a larger vessel and rig up the same. Would be cool to fit a Whiskey flask or oversize beer can for the esthetics. Go to be drillable though unless a different type of pump can be found to draw fluid from above.