Author Topic: Washer fluid  (Read 1502 times)

Offline Hurricane

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Washer fluid
« on: February 09, 2019, 02:46:09 PM »
Bought some washer fluid today. Led me to wonder how to make my own. What do you add besides water? I would think that dish soap might not last that long, compared to commercial products. Straight Windex could get expensive.
In my area, I'm not worried about freezing.

Offline Redman

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Re: Washer fluid
« Reply #1 on: February 10, 2019, 02:56:48 AM »
Here are 4 ways I found. I didn't read them thoroughly just skimmed though.

 https://www.wikihow.com/Make-Windshield-Washer-Fluid

Last ww fluid I bought I paid less than a $1 per gallon at WM. That's been several years ago.

Offline thechemist

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Re: Washer fluid
« Reply #2 on: October 10, 2019, 03:40:46 PM »
The blue fluid is typically made with methanol. I'm not sure where you could easily get some methanol to make it. For myself, I used to work in a lab that had lots of excess, expired methanol that I was allowed to take home. 

Offline NWPilgrim

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Re: Washer fluid
« Reply #3 on: October 10, 2019, 06:24:35 PM »
Methanol is readily available. Most of the gas “heet” treatments are methonal. Also look in paint supply departments. But you can use any alcohol such as isopropyl. A 70%/30% blend of iso/water is both lowered freezing temp and a decent cleaner of bio material like bug splats. Also good in a spray bottle to “melt” icy windshields and windows when you go out to start the vehicle in the morning.

Offline Mr. Bill

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Re: Washer fluid
« Reply #4 on: October 10, 2019, 10:17:22 PM »
I found out 40 years ago that making my own windshield washer fluid with ammonia is a good way to destroy the pump.

Of course, that was so long ago that the pump was a squeeze-thing that you pumped with your left foot. 8)  I don't know what modern pumps will tolerate.

Offline fritz_monroe

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Re: Washer fluid
« Reply #5 on: October 11, 2019, 05:55:13 PM »
Last ww fluid I bought I paid less than a $1 per gallon at WM. That's been several years ago.
This is why I'm not going to make my own washer fluid.  It's so cheap that I feel that using my time on other things is a much better return on my investment.

Offline Carver

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Re: Washer fluid
« Reply #6 on: January 28, 2020, 09:37:28 PM »
I've found that Rain-X eliminates the need to use wipers and makes scraping ice off a lot easier.

Offline Ralph

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Re: Washer fluid
« Reply #7 on: February 10, 2020, 10:20:13 AM »
Yep, Rain-X works great.  My biggest issue with it is making sure I get some on before it starts raining.  Another thing I keep in mind is not to keep the used cloth in the car when done putting it on.  It's never happened, but I can imagine getting pulled over by a cop with a recently used Rain-X cloth reeking of alcohol inside the car.  I don't imagine that going well.

Offline David in MN

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Re: Washer fluid
« Reply #8 on: February 10, 2020, 10:27:35 AM »
Rain-X can have a downside. I know of 2 Cadillac owners who used it and the car's rain sensor would not detect the rain and not allow the wipers to be turned on. Really a scary side of the computer driven car.

But for the most part a really good product.