Wiper Warfare Defrosting Frozen Car Washer Fluid

Washer fluid is a methanol/water mix which is why it's only good to -20F. We've had colder nights than that but I've never seen it freeze. Pour in a little isopropyl alcohol it will thaw then run it empty and fill it with winter de-icing washer fluid. However, windshield wiper fluid can freeze with the plunging temperatures and many drivers in the DMV park outside on the street. Frozen fluid can burst or ... Odds are, there will be no damage whatsoever. For now, just refill it.....even if it is slightly frozen the fresh -20f rated fluid will break ... could just be the quality of washer fluid is really cheap or maybe theres still summer washer fluid in it. lol best thing to do is thaw it out ... Buy some winter fluid or add a small amount of alcohol to the fluid you are using. I like the RainX stuff personally. It is frost and streak ... Slushy frozen reservoir, slushy frozen lines. I have a heater on it, and I poured isopropyl alcohol into the reservoir. Go to a car wash that uses hot or warm water, or hook a garden hose up to your hot water at home. Spray the whole system. If the fluid froze, ... When they thaw out, THEN USE the washers alot with the fresh non diluted washer fluid in the tank. Make sure it is coming out good and blue ( or ... While driving the Kenworth T660 Bobtail in the snow, the windshield washer solution freezes solid. I thaw it in literally 5 degrees F. FSC ...