How to Check and Replace Windshield Washer Fluid How to Check and Replace Windshield Washer Fluid

Checking and replacing your windshield washer fluid is a simple aspect of car maintanence that can save you the time and money of taking it to a mechanic. It is a good idea to have your car’s manual handy to help locate the wiper fluid reservoir more quickly and easily.

Check the Level

Always turn off the car engine before opening the hood. The reservoir jug for your windshield washer fluid can be identified by the blue color of the fluid. Exactly where it can be found under the hood depends on the make and model of your vehicle. If the fluid appears to be less than three-quarters full,  pull open the cap on the top and pour in additional fluid until it reaches close to the top or the fill line if one is marked on the jug.

Replace Fluid

Only add windshield wiper fluid to the reservoir; do not add water. Wiper fluid has both antifreeze and detergents to help clean the glass, and water can delute it so it may no longer be effective. Be sure not to confuse the washer fluid reservoir with the reservoir for the coolant, which may be similar in appearance but has a hose leading to the radiator.

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