The windshield wiper arm is an important part of any car’s windshield wiping system, and it is essential that it is in good condition. However, it is possible for the arm to crack, leading to a number of issues, including decreased windshield visibility and reduced performance.Can Windshield Wiper Arm Crack Win Shield? In this article, we will discuss how to identify a cracked windshield wiper arm, the causes of a cracked wiper arm, and how to address the issue.
What Causes Windshield Wiper Arm Cracks in Windshields
Windshield wiper arms are made of plastic, usually plastic reinforced with metal. So they are not designed to withstand extreme temperatures and can become brittle and crack if exposed to cold weather. In addition, if the arms become loose or misaligned, they can be subjected to excessive stress which can cause them to crack.

How to Prevent Windshield Wiper Arm Cracks in Windshields
You can help prevent your windshield wiper arm from cracking by regularly inspecting it for signs of wear and tear, such as cracking, and promptly replacing the arm if any damage is found. Additionally, avoid hitting curbs, potholes, or other objects with your car to minimize the risk of an impact damaging the arm.
Signs that Your Windshield Wiper Arm is Cracking
The signs that your windshield wiper arm is cracking can be quite subtle at first. It is important to pay attention to the signs so that you can take action to repair or replace the arm before it gets worse.
One of the first signs that your windshield wiper arm is cracking is a rattling or squealing sound coming from the arm when it is in use. This can be caused by the arm being loose or by cracks in the arm itself. If you hear this sound, you should check the arm for any visible signs of cracking or damage.
Another sign is if you notice that the arm is not moving as smoothly as it normally does. This could be due to the arm being misaligned or due to the arm having cracks or other damage. You should inspect the arm closely to determine if there is any visible damage.
Finally, if you see any visible cracks or damage on the arm, it is a definite sign that the arm is cracking. You should replace the arm as soon as possible to avoid any further damage to your windshield.
How to Repair a Cracked Windshield Wiper Arm
Repairing a cracked windshield wiper arm can be a tricky task. But it is possible with the right tools and a bit of patience. The first thing you will need to do is to remove the arm from the wiper motor. This can be done by unscrewing the mounting bolts or nuts that hold the arm in place. Once the arm is free, inspect it for any cracks or damage. If the arm is cracked or broken, it will need to be replaced with a new one.
The arm is not broken, it can usually be repaired with some epoxy or a specialized windshield wiper arm repair kit. If using epoxy, make sure to use a high-strength epoxy designed for repairing plastic and metal parts. Follow the instructions on the packaging carefully, and then apply the epoxy to the cracked or broken area. Allow it to set according to the instructions, and then sand the area smooth.
Once the repair is complete, it is time to reattach the arm to the wiper motor. Make sure to fasten the mounting bolts or nuts securely. Then test the wiper arm to make sure it is working properly. With a bit of patience and the right tools, you can easily repair a cracked windshield wiper arm.
How to Replace a Cracked Windshield Wiper Arm
Replacing a cracked windshield wiper arm is a relatively simple process that can be completed in a few steps.
First, you will need to remove the broken arm by taking off the retaining nut that holds it in place. Use a ratchet and socket to loosen the nut and then slide the arm off of the wiper linkage. After the arm is removed, you will need to inspect the remaining linkage to make sure there are no other problems that need to be addressed.
Next, you will need to install the new arm. Slide the new arm onto the wiper linkage and secure it in place with the retaining nut. Make sure the arm is firmly secured before you proceed.
Finally, you will need to make sure the arm is in the correct position. Adjust the length of the arm if necessary and check that the blade is properly aligned with the windshield. Once you are satisfied with the position of the arm, you can reinstall the retaining nut and securely tighten it.
Your windshield wiper arm should now be properly replaced and you can move on to the next step in your windshield repair process.
The Benefits of Regularly Inspecting and Replacing Windshield Wiper Arms
Regularly inspecting and replacing windshield wiper arms is an important part of car maintenance. It can be beneficial in a variety of ways. Windshield wipers are critical for visibility when driving in inclement weather, So ensuring they are in good working order is essential. Over time, the blades and arms can become worn out, causing them to streak, chatter, and even jump while in use. Regular inspections and replacements can help ensure that the wipers are able to do their job properly and keep windshields clean and clear.
In addition to ensuring visibility and safety, regularly inspecting and replacing windshield wiper arms can also help prevent damage to the windshield and other parts of the car. If the blades and arms are worn out, they can cause scratches or other marks on the windshield, leading to reduced visibility. Furthermore, worn out wipers can cause the motor to work harder. It leads to increased wear and tear and potentially shorter lifespan.
Overall, regularly inspecting and replacing windshield wiper arms is an important part of car maintenance. Doing so can help ensure visibility and safety, as well as help prevent damage to the windshield and other parts of the car.
Frequently Asked Questions[FAQs]
What happens when a windshield wiper arm cracks?
When a windshield wiper arm cracks, it can cause the wiper blades to become misaligned, which can make it difficult for the blades to effectively wipe the windshield. Additionally, since the arm is cracked, it may not be able to hold the wiper blades securely. It can cause them to move around or come off completely while the car is in motion.
Is it dangerous if a windshield wiper arm cracks?
Yes, it is dangerous if a windshield wiper arm cracks. As mentioned above, the misalignment of the wiper blades can make it difficult to effectively clean the windshield. This can impair the driver’s visibility and increase the risk of an accident. Additionally, if the wiper arm is cracked, it may not be able to hold the wiper blades securely. It can result in them coming off while the car is in motion.
How much does it cost to replace a windshield wiper arm?
The cost to replace a windshield wiper arm can vary depending on the make and model of your car. Generally, you can expect to pay anywhere from $20 to $50 for a new arm, plus the cost of installation.
Where can I get my windshield wiper arm replaced?
You can get your windshield wiper arm replaced at a local auto parts store or service center. Many auto parts stores offer installation services, or you can hire a professional mechanic to do the job for you.
Can a cracked windshield be repaired?
Yes, a cracked windshield can be repaired. Depending on the size and severity of the crack, a professional windshield repair service can repair the cracked windshield by filling the crack with a special resin.
Can a cracked windshield be replaced?
Yes, a cracked windshield can be replaced. If the crack is too large or severe, a professional windshield replacement service can replace the entire windshield.
Conclusion
In conclusion, while windshield wiper arms can cause cracks in windshields, this is usually caused by an existing crack in the glass that has been weakened by the pressure of the wiper arm. Properly maintained wiper arms and correctly installed windshields can help reduce the chances of windshield cracks.

A. Wilcox Head is a lifelong shooter, hunter, and firearms enthusiast. Head grew up in a family where firearms were a way of life, and from an early age, he was taught the importance of firearm safety, accuracy, and proper hunting techniques.