Then shake the mixture thoroughly and add it to your car.
Make your own cold weather windshield washer fluid.
Homemade is much less expensive stores in our area list a 16 oz.
You can also make windshield washer fluid by adding a 1 2 cup of ammonia and 1 tablespoon of dish soap to a gallon of water and then shaking the mixture thoroughly.
To make windshield washer fluid dilute a cup of glass window cleaner in 1 gallon of distilled water.
Preventing your homemade windshield cleaning fluid from freezing is vital to the health of your vehicle.
Commercial windshield washer fluid is poisonous it s made with methanol which the national institute of health lists as a poisonous alcohol that can cause significant damage even in small amounts.
Method 3 of 5.
It s best to use a window cleaner that doesn t streak as this may affect the clarity of your windshield.
When making your own washer fluid you want to be certain that it won t freeze overnight.
Before using your homemade washer fluid do this test first.
If the windshield washer fluid freezes it can rupture the hose leaving you with a potentially costly repair.
Why make homemade windshield washer fluid.
People who live in areas with weather extremes may not be able to use the warm weather washer fluid all year round.
Frozen washer fluid won t do you very much good the recipe above includes rubbing alcohol for that purpose and it should be enough to prevent the fluid from freezing in most climates.
The problem with some fluids is that during those cold snaps that some places experience during the winter they become less effective and could even freeze on the windshield leading to a dangerous driving scenario.
It is also important to ensure your windshield cleaner fluid reservoir is drained before changing to a different type of mixture.
Make a cold weather washer fluid mix.
If you follow these steps you can make your own safe and inexpensive washer fluid to use in both warm and cold weather.