Windshield Wiper Overextending (4 Reasons + Solutions)

Windshield wiper overextending has become a common issue now. It can happen for some valid reasons. However, it should be fixed as soon as possible. Otherwise, you’ll face problems while driving your car.

So, what is the fix for windshield wiper overextending?

Pull out your wiper blades first. Then reinstall them again. This should fix the issue. If not, replace the blades. You can also reposition your windshield wipers blades if the previous solution doesn’t work. However, if none of the above solutions work, try installing new windshield wiper linkage brushes.

This is simply a preview. If you’re still unsure about the procedure, don’t worry. We have a detailed guide for you in this article.

So, what are you waiting for? Immerse yourself right away.

How to Fix Windshield Wiper Over Extending?

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Wiper blades that extend past the windshield are either misplaced. Or they aren’t the right size. Spend some time identifying and resolving the underlying cause of the problem. 

Follow through with the ways to resolve this issue with us. By doing so, the problem should be solved. 

Reason 1: Improper Wiper Blades Installation

You might have replaced your wiper blades recently. In this case, the wiper arms may not be set to park or at rest while the replacement. 

So, the wipers will extend beyond the windshield on one or both sides once turned on. 

Solution: Reinstall Your Wiper Blades

To fix the problem, follow these steps:

Firstly, remove the wiper blades from your windshield. Then turn them on and put them in the park position. Use a screw flat head screwdriver to take out the wiper blades.

These are some flat head screwdriver suggestions you might want to see-

Next, install the wiper blades on your car’s windshield again. The arms of the wiper have to be parallel to your windshield’s bottom. Use the same screwdriver to do this as well. 

Once done, make sure the wipers aren’t extending past the windshield by turning them on.

Reason 2: Wrong Size Wiper Blades

There’s always a possibility that you might have installed the wrong size wiper blades. Hence, the wiper is extending past your windshield. 

Solution: Replace Your Current Wiper Blades

To fix the problem, follow these steps:

Firstly, take out your wiper blades and wash your car as usual. If your wiper blades are actually the wrong size, you’ll have to acquire new ones. So, here are a few recommendations regarding that:

Once you have, install them in the place of the older ones. Lastly, turn on the windshield wipers. This way you can make sure they are no longer extending past the glass.

Reason 3: Incorrect Wiper Arm Position

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The wiper blades on your windshield will reach well beyond the glass. This will happen if the wiper arms are not positioned correctly while at rest.

The correct position is parallel to your windshield’s bottom and in the lowest position. 

Solution: Reposition Your Wiper Arms 

Firstly, use a socket and ratchet to take out the 14mm nut of the wiper arm. Be careful while doing this Wiper arms should be rotated counterclockwise afterward.

This way your wiper arms will be an inch before your window cowl. 

After that, put the 14mm nut back on the bolt. Then ensure the wipers aren’t extending past the windshield by turning them on.

The next step is to reposition the wiper blades if this doesn’t fix the problem.

Reason 4: Worn Out or Damaged Linkage Bushing

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Linkage bushings mainly hold your wipers in their rightful place. So, if they are damaged or even worn out, the wiper won’t stay in its position. As a result, they will extend beyond your windshield. 

Solution: Replace the Old Wiper Linkage Bushings 

To replace the wiper linkage bushings, follow these instructions:

Firstly, remove the wiper blades from your windshield. After that, discard the cap nuts by using a 14mm socket. 

Take out the wiper arms after that. Then make sure they don’t come into contact with the hood or windshield while you’re working.

After that, pull the windshield cowl off by taking out three screws. Then take out the wiper linkage assembly by removing the three 10mm mounting bolts.

Then use a flathead screwdriver for prying up the plastic linkage bushings. 

It’s time to install the new plastic bushings to replace the old ones. So, just simply push in the new one.

Then the wiper linkage assembly should be reinstalled using the three 10mm bolts provided. Next, Reinstall the other parts you have taken out. First, the cowl then the cap nuts, and lastly, the arms along with the blades. 

That’s it! Now, your windshield wiper shouldn’t overextend after turning them on.

However, if it doesn’t stop, seek help from a professional. Well, that sums up everything! But remember to clean your wipers to keep them protected.

Frequently Asked Questions

What causes juddering of the wipers?

Check the level of tightness of the wiper blades when installing them. Shuddering or squeaking might cause an imbalance in the tension. It is choosing wiper blades that are of lower quality. That is not suited for your car. They might lead to juddering, even after you replace them.

How can I make my windshield wiper rubber softer?

Wipe the rubber on each blade with a towel dipped in petroleum jelly. Giving the jelly time to sink into the rubber. Allow at least 10 minutes for the petroleum jelly. Then keep air drying before wiping the blades clean. Reapply the wiper blades to the windshield by lowering the wiper arms.

Is it possible to clean windshield wipers with vinegar?

Instead of warm soapy water, clean your blades with a water-and-vinegar combination. The rubber wiper blades are cleaned using a vinegar-and-water solution. Also, it softens it, making it acceptable for used wiper blades on automobiles.

How can I adjust the wiper arm position to prevent overextension?

Most wiper arms have an adjustable nut that allows you to change the resting position of the wipers. Loosen the nut slightly, reposition the wiper arm closer to the windshield edge, and tighten the nut securely. Adjusting the wiper arm position can prevent overextension and improve visibility during rainy conditions.

Can overextension cause damage to the windshield or wiper blades?

Yes, prolonged overextension can cause excessive wear on both the windshield edges and wiper blades. This can lead to scratches, reduced visibility, and ineffective wiping. Addressing overextension issues promptly can prevent damage to both the windshield and the wiper blades, ensuring safe driving conditions.


In conclusion, understanding the reasons behind windshield wiper overextension is vital for safe driving in various weather conditions. By addressing issues such as worn-out wiper blades, damaged linkage, incorrect wiper arm size, or a faulty motor, drivers can ensure proper wiper function, maintaining clear visibility on the road and enhancing overall driving safety.

Fixing your car’s windshield wiper overextending is an easy process to do. It’s nothing to be concerned about. To begin, follow the procedures mentioned above. 

It may also be advantageous to you. By learning by yourself, you can improve your skills in the future.

Best Wishes!

Read also: Why is My Car Lower on One Side?

Rob Dahm

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