How to Change Your Windshield Wiper Blades & Arms

Are your wipers not keeping your windshield clear like they used to? When your windshield wiper blades or arms get dirty or damaged, it’s time to remove and replace them. Windshield wipers are some of the easiest repairs you can make, so it's really easy to take them off and install new ones at home. We’ll walk you through how to change out wiper blades or arms so you can keep your windshield clean.

Things You Should Know

Change the wiper blades by unlatching them from the end of the wiper arm and pulling them off.
Remove a clip-on wiper arm by pulling the lever at the base of the wiper arm and lifting it off of your windshield.
Take off a bolt-on wiper arm by unscrewing the retaining nut with a socket ratchet.
Remove a spring-loaded wiper arm by inserting a pin through the pinholes on the base and pulling the wiper off of your vehicle.

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Method 1

Method 1 of 6:

Replacing Wiper Blades Only

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1
Raise the windshield wipers. Hold onto where the wiper blade connects to the arm and slowly pull it up and away from your windshield. The wiper arm will stay in the position above your windshield without touching the glass.^{[1]XResearch source}
- Place a towel on your windshield where the wiper blade would normally sit. That way, if you accidentally knock the arm down, it won’t damage your windshield.
2
Remove the wiper blade from the wiper arm. Each wiper blade has a connector where it attaches to the arm. There are 3 common connector designs, so how you change the blade on your vehicle varies depending on the type you have.
- Hook-slot connectors have a hook on the end of the arm that looks like the letter "J." Find the tab where the blade connects to the arm, and either lift it up or push it in. Once released, push or pull the blade straight down toward the base of the wiper arm to remove it from the hook slot.^{[2]XResearch source}
- Pin-type connectors have a small cylindrical pin at the end of the wiper arm that connects to the side of the blade. Lift the tab around the pin with a flathead screwdriver. Once you release the tab, just pull the blade straight off of the pin.^{[3]XResearch source}
- Straight-end connectors have grooved ends that slide into the end of the wiper arm. Hold the tabs down on the sides of the wiper arm where it connects to the blade. Then, just pull the blade up and away from the wiper arm to remove it.^{[4]XResearch source}
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3
Install the new wiper blade. The way you install the blade depends on the type of connection the wiper arm uses. Make sure you choose a wiper blade that’s the same size as your old one, or else it may not fit on your windshield properly.
- Hook-slot connectors: Slide the new wiper blade into the hook slot at the end of the wiper arm, and secure the tab.^{[5]XResearch source}
- Pin-type connectors: Slide the new wiper blade onto the pin. Once you have the blade in place, lock down the tab to secure it.^{[6]XResearch source}
- Straight-end connectors: Slide the base of the wiper blade into the end of the wiper arm. If your design has a clip or tab, make sure that it snaps into place.^{[7]XResearch source}
4
Test your wiper blades. Lower the wiper blade back against your windshield and turn on your vehicle. Spray water or windshield wiper cleaner onto your windshield and turn on the wipers. If they are wiping properly, then you’re finished with your repairs.^{[8]XResearch source}
- If your wipers are still loose or wiggling on the arm, then check that they’re properly fastened before driving again.

Method 2

Method 2 of 6:

Preparing to Change Windshield Wiper Arms

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1
Check the wiper arm connection to see what kind you have. Look where your wiper arm connects to the body of your vehicle. There are 3 common kinds of wiper arms and they each fasten to the car differently.
- Bolt-on wipers are held onto your vehicle with a retaining nut mounted to a vertical post. The nut is usually covered with a circular plastic piece.^{[9]XResearch source}
- Clip-on wipers have a small lever at the base that latches the arm to your vehicle.^{[10]XResearch source}
- Spring-loaded wipers are held in place by a tension spring on the underside of the arm.
2
Buy an identical replacement wiper arm. Measure the wiper arm you just took off so you can buy one that’s exactly the same length and style. The wiper on the passenger side is usually longer than the one on the driver’s side arms, so ensure you have the correct length.^{[11]XResearch source}
- Many auto parts stores have catalogs where you can look up the make and model of your vehicle to find wipers that are the correct size.
You can remove most wiper arms with just a flathead screwdriver and a ratchet set, but stubborn wipers may need an arm puller. Keep all of your tools nearby and ready before you start taking the wiper arm off.^{[12]XResearch source}

Method 3

Method 3 of 6:

Clip-On Wiper Arms

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Use one hand to hold the wiper arm where it connects to the blade and keep your other hand at the arm’s base on your vehicle. Hold the wiper blade a few inches off your windshield so it’s easier to undo the clip.^{[13]XResearch source}
2
Pull the lever or latch near the base of the wiper arm. Check where the wiper arm connects to your vehicle. The latch will either be on the side or underneath the base of the wiper arm. Pull the lever up to unlock your wiper arm from your vehicle.^{[14]XResearch source}
- If you don’t see a lever on the wiper arm, then you have a spring-loaded or bolt-on arm.
Slowly set the wiper arm back down on your windshield. Gently rock the wiper arm back and forth to loosen the connections so you can pull it off of your vehicle.^{[15]XResearch source}
4
Use a wiper arm puller for stuck or stubborn arms. Slide the bottom of the puller underneath the base of the wiper arm. Place the bolt on top of the puller against the wiper arm post attached to your vehicle. Slowly turn the bolt clockwise to pull the wiper arm away from your windshield until you’re able to remove it on your own.^{[16]XResearch source}
- Place a piece of cardboard or shop rag between your vehicle and the wiper arm puller to protect the finish.

Method 4

Method 4 of 6:

Spring-Loaded Wiper Arms

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This is a spring-loaded clip that holds the wiper arm in place, but is released by lifting the arm away from the windshield.
2
Insert a pin through the clip to release it. Locate a hole on each side of the arm near the hinge pin. Lift the wiper arm fully up and off the windshield. Then, slide a finish nail or pin all the way through both of the clip’s side holes.
- You may need to slightly rock the wiper blade away while attempting to align the pin and slide it through.
Rock the wiper arm up and down to make it easier to pull off the post on your vehicle. Slowly pull the arm straight off of the post to remove it.^{[17]XResearch source}

Method 5

Method 5 of 6:

Bolt-On Wiper Arms

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This will help you put the replacement wiper back in the correct position once the current wiper has been removed. Bar soap, wax, or another easy-to-remove mark works fine.
Look for a plastic or metal dust cap that covers the drive post and hex nut that hold the wiper arm in place. Use a flathead screwdriver to pry the cap off so you can reach the nut.^{[18]XResearch source}
3
Remove the nut that fastens the windshield wiper arm to the drive post. Use a socket ratchet that’s the same size as the retaining hex nut on your wiper arm. Turn the ratchet counterclockwise to loosen the nut. When the nut comes loose, take the socket off and finish unscrewing the nut by hand.^{[19]XResearch source}
- Set the nut aside in a safe place so you can reuse it to attach the new wiper arm.
Lift the wiper blade up from the windshield with one hand and hold the base of the arm with the other. Gently rock the wiper blade back and forth while lifting with both hands to slide it off of the drive post.^{[20]XResearch source}

Method 6

Method 6 of 6:

Installing Replacement Windshield Wiper Arms

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Clean the drive post with a small wire brush. Remove any rust and debris from threaded posts with a wire brush. Apply a drop or two of lubricant oil onto the post threads before you reinstall the wiper arm.^{[21]XResearch source}
2
Slide the base of the wiper arm onto the drive post. Find the hole at the base of your wiper arm. Align the wiper blade with the bottom of your windshield and push the arm onto the post.^{[22]XResearch source}
- If you have trouble getting the wiper arm fully seated, try gently tapping it into place with a rubber mallet.
3
Secure the wiper arm to the base. Securing the wiper arm depends on the kind your vehicle uses. No matter what type of wiper your vehicle has, always double-check that the wiper arms are tightly secured.
- Bolt-on wiper arms: Twist the nut clockwise back onto the drive post and replace the dust cover.^{[23]XResearch source}
- Clip-on wiper arms: Seat the arm’s base fully on the drive post and squeeze the lever back down against the base.^{[24]XResearch source}
- Spring-loaded wiper arms: Remove the pin inserted in the pinholes and let the wiper blade rest on the windshield.
Spray your windshield with some water or windshield cleaner and turn on your wipers. Make sure they run smoothly across your windshield. If everything runs smoothly, then you’re finished with your repairs.^{[25]XResearch source}

Expert Q&A

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How do you troubleshoot a windshield washer pump?
Alex Dimitriu, MD
Sleep Medicine & Psychiatry Professional
Alex Dimitriu, MD is the Owner of Menlo Park Psychiatry and Sleep Medicine, a clinic based in the San Francisco Bay Area with expertise in psychiatry, sleep, and transformational therapy. Alex earned his Doctor of Medicine from Stony Brook University in 2005 and graduated from the Stanford University School of Medicine's Sleep Medicine Residency Program in 2010. Professionally, Alex has dual board certification in psychiatry and sleep medicine.
Alex Dimitriu, MD
Sleep Medicine & Psychiatry Professional
Expert Answer
Go ahead and activate the washer fluid pump. If you hear it activating, that will usually clear the pump from malfunction. Next, check the plumbing. To do this, see if the jets are disconnected, which can happen often. A sign of this would be if there is no sound coming from the pump that activates the jets from the inside of the vehicle. If there's no proper power going to the pump, isolate the problem to the pump itself.
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My wiper blades can be worked back and forth by hand, but when turned on, it pops inside of the firewall and the wipers don't work.
Uglymug18
Community Answer
You have installed them in the wrong position on the spline. Remove the wipers and reset the spline to the home position and reinstall.
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Tips

Prevent damage to wiper blades, arms, linkage, and motor during winter months by lifting the blades off your windshield, especially if it's snowing. This makes it easier to remove snow and ice from the windshield and prevents damage to blades. It also reduces strain on moving parts if the wipers are frozen to the windshield when you start your car.^{[26]XResearch source}
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Wipe the blade with alcohol wipes or rubbing alcohol to increase the life expectancy of your wipers by a season or two.^{[27]XResearch source}
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Warnings

Do not leave the car unattended when the arm is in its upright position as it may swing back and hit the windshield, thus, causing the windshield to possibly shatter.^{[28]XResearch source}
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