It's also mostly methanol, and harder to find, but works well. You can also use use Prestone De-Icer Concentrate, sold in a small bottle, clear. In my temp tests, I had better results with HEET in temps below 25 F. When HEET® brand is added to the gas tank, it sinks to the bottom and mixes with any water." "HEET® brand contains a special fuel additive and methanol. Finding IPA in a higher than 70% concentration isn't as easy, in my experience. And, you can buy HEET anywhere, carry it easily, and add it as needed. Chemically they aren't the same, and methanol (wood naphtha), not alcohol, is what's used in commercial deicer fluid. The methanol (it's listed on the bottle) in HEET. It's more expensive and doesn't work as well as… I used to use IPA - in the highest concentration I could find. If you insist in putting something through the lines to the nozzles (I've never had to once I got the system emptied and re-filled with my own mixture) you could try CRL, but I have no experience with it. Get the crap out of the lines, and this problem will be no more. Vinegar will do next to nothing, except create a sticky, stinkin' mess. If you want it to work in freezing temps, use HEET (it's the same ingredient that's in commercial window deicer/cleaner, without the ruinous tap water). Use distilled water, and either Einzett Kristal concentrate, or the P21S washer concentrate, to your liking. It will permanently end this problem, forever. Make your own washer fluid - yes, really. They use tap water, loaded with minerals, and it will clog the nozzles every time. Secondly, STOP USING COMMERCIAL WINDOW DE-ICER/WASHER FLUID. I've been using the same piece for fifteen years. One length would be less than a dollar cut a piece off and embed it in the carpet next to the drivers side kick board speaker. Steel wire, available at any hardware store. "How to remove a broken exhaust stud in a aluminum head using alum spice" I just learned about this last week, never seen/heard of it before. I'll try it with the hood up before I remove the factory oetiker clamps. Vinegar sounds like the ticket, vinegar is like a miracle fluid. I can see fluid getting about 1 1/2 feet from the nozzles but the motor/pump can't push the clog through. I would think it's a organic clog, or possibly gummed up windshield wash fluid residue. Soaking in degreaser might not work well if the nozzles are clogged with non-oil-based substances, but I suppose it is worth a shot. If you don't want to remove the nozzles to do this, you could using an eye dropper to put the solution directly on the nozzle port. You could always try soaking in Simple Green, also. I've also removed the nozzle itself and soaked it in vinegar which removes mineral deposits, etc. I've used pins, which I think may be specified in the BMW Owner's Manual, which work well it removing small debris. Reconnect the electrical plug and fit back the nozzle.528elover wrote:It all depends upon what it's clogged with. Refit the washer fluid connection and push the lock back to its locked position and check if the pipe is secured properly. The angle of the spray can be adjusted as shown in the above three pictures, use a fine torx screwdriver (not sure of the size - luckily I had it) Side view showing electrical connection for nozzle heating Check that the nozzle passage is clear by blowing into the nozzle. Use an old toothbrush and liquid soap to clean all the dirt. The nozzle after removal before cleaning. Do the same with the electrical connection - if it exists Gently pry the lock in the coupling for the washer fluid connection. Some cars may have only one connection for the washer fluid. The Nozzle has two connections - one for the washer fluid and the other one for heating the nozzle. Gently pull of the nozzle body after opening the bonnet He told me that the nozzles need to be replaced - which would cost about 6k each luckily they were not in stock.Ībout two weeks back, I decided to see whether I could do a DIY. I mentioned this to the SA when I gave my car for service. Hi, I recently faced a common issue where the spray from the windshield washer nozzles in my Passat was not effective.
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