How to Adjust Wiper Blades

Written by sarah silverman
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How to Adjust Wiper Blades
Faulty wiper blades can cause car accidents. (man working on car image by palms from

You should have clear visibility of the road when driving, especially when there is rain or snow. The windshield wiper blade is the driver's little helper when the weather turns bad, so it's important to keep your blades in good condition. When the blade gets stuck and is no longer moving, either repair it or replace it to ensure your safety while driving.

Skill level:

Things you need

  • Universal wrench

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  1. 1

    Turn off your car and slowly lift the wiper arm. If the arm is stiff when you try to lift it, put it back against the windshield, then turn on the ignition until the wiper blades are vertical in position. Once in the vertical position, slowly lift the wiper arm.

  2. 2

    Bend the wiper blade perpendicular to the wiper arm. Different models of cars have different wiper blades, and each blade has a different locking mechanism attaching it to the wiper arm. Check the locking mechanism of your wiper blade, then detach the wiper blade by pulling it down.

  3. 3

    See if the wiper blade has any damage. If the rubber is already worn out, it is time to get a new set of blades.

  4. 4

    Tighten the nut that connects the wiper arm to the hood of your car. Snow or cold tends to freeze your wiper arms, inhibiting movement. Using a universal wrench, locate the nut at the base of the wiper arm and slowly twist it clockwise until it is tight.

  5. 5

    Put the wiper blade back on the wiper arm and slowly clip it on using its locking mechanism.

  6. 6

    Test out your adjusted wiper blade before going for a drive. Turn on the ignition and let the wiper blade move in a swaying motion. If you have a wiper washer, spray the windshield so you can test whether the blade can swipe through the suds of your washer.

Tips and warnings

  • When manually moving the wiper arm, handle it carefully to avoid damage to it or your windshield.

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