How to Replace Winter Windshield Washer Fluid?
2 Answers
Method for replacing windshield washer fluid in winter: 1. If it's a similar brand of windshield washer fluid, there's no need to drain the summer fluid; you can directly add the winter windshield washer fluid as they can be mixed. If they are not similar brands, first drain all the summer windshield washer fluid before adding the winter fluid. 2. To add winter windshield washer fluid, open the engine hood, locate the filler cap with the washer symbol, open the cap, and pour in the windshield washer fluid. There is a dipstick inside the reservoir; fill it up to the marked line. The functions of windshield washer fluid are as follows: 1. Cleaning performance: Windshield washer fluid is formulated with various surfactants and additives. Surfactants typically have functions such as wetting, penetrating, and solubilizing, thereby providing cleaning and decontamination effects. 2. Antifreeze performance: The presence of alcohol and ethylene glycol in windshield washer fluid can significantly lower the freezing point of the liquid, thus providing antifreeze effects and quickly dissolving frost. 3. Anti-fog performance: Windshield washer fluid forms a single-molecule protective layer on the glass surface. This protective film prevents the formation of fog droplets, ensuring the windshield remains clear and transparent with a clear view. 4. Anti-static performance: After cleaning with windshield washer fluid, substances adsorbed on the glass surface can eliminate static charges on the glass, providing anti-static properties. 5. Lubrication performance: Windshield washer fluid contains ethylene glycol, which has high viscosity and can provide lubrication, reducing friction between the wiper blades and the glass to prevent scratches. 6. Anti-corrosion performance: Windshield washer fluid contains various corrosion inhibitors that have no corrosive effect on any metals, and it is absolutely safe for automotive paint and rubber.
I think changing to winter windshield washer fluid is quite practical. First, park the car on level ground and turn off the engine, wait a few minutes for it to cool down before starting—to avoid burns. Open the hood and locate the plastic reservoir with the wiper icon, usually positioned at the front, then unscrew the cap. If there’s still summer fluid inside, empty it out or use a siphon to remove it completely, as mixing can cause pipes to freeze and crack. Pour in the dedicated antifreeze windshield washer fluid, choosing one with a freezing point of -20°C or lower, depending on how cold your local winters get. Fill it up to the water level line, but don’t overfill. Tighten the cap, start the car, and spray a few times to ensure clear fluid comes out—then you’re done. Don’t forget to change it early; the best time is before autumn temperatures drop. Opt for a reliable brand like well-known market brands to avoid subpar products affecting performance. I also take the opportunity to check the wiper blades and spray nozzles, ensuring the entire system is free of blockages, making winter driving safer and more efficient with better visibility.
