Why Do My Windshield Wipers Squeak?

Windshield wipers can produce an annoying squeaking sound due to several factors. This guide will walk you through the most common causes and provide detailed solutions to help you resolve the issue.

Common Causes of Squeaky Windshield Wipers

Windshield wipers can squeak for a variety of reasons. Here are some of the most common issues:

Worn Wiper Blades

Over time, the rubber on the wiper blades can wear out, leading to a poor fit against the windshield. As the blades drag across the glass, this can cause squeaking noise.

Dirty Windshield or Blades

Dirt, debris, or grime on either the windshield or the wiper blades can create friction, resulting in a squeaking sound. This can be exacerbated by water repellent coatings or waxes on the windshield.

Improper Installation

If the wiper blades are not installed correctly, they may not make proper contact with the windshield, leading to noise.

Dry or Damaged Rubber

Squeaking can also occur if the rubber on the blades becomes dry or cracked. This can happen due to exposure to harsh weather conditions or simply as a result of age, causing the blades to lose their flexibility.

Windshield Contamination

Substances like wax, oil, or water repellent coatings on the windshield can interfere with the wipers' operation and cause squeaking.

Incorrect Wiper Size

Using wiper blades that are too long or too short for your vehicle can also lead to inadequate contact and noise.

How to Fix a Squeaky Windshield Wiper

First, try cleaning both the windshield and the wipers to check if the issue persists. Inspect the blades for wear and replace them if necessary.

Here are some steps you can take to troubleshoot and fix the squeaky wipers:

Step 1: Clean the Windshield and Wiper Blades

Use a thorough cleaning method to remove any dirt, debris, or grime that may be causing the squeaking sound.

Use hot water with a mixture of household cleaning solutions (such as detergent and vinegar). Apply this solution using a household scrubbing pad (not a metallic one). Repeat the process using a commercial glass cleaning product.

Step 2: Check the Wiper Spindles

If cleaning does not resolve the issue, try lifting the wiper arms and operating the wipers. If the squeak remains, the problem may be with the wiper spindles.

Operate the wipers from outside to pinpoint the source of the noise. If the noise is coming from the spindles, disassemble them and apply silicone or olive oil to reduce friction. Silicone oil can be purchased from plumbing supplies stores.

Step 3: Address Wiper Mechanism Issues

If the noise is coming from deeper inside, it is likely originating from the wiper mechanism. In such cases, you may need to remove and overhaul or replace the mechanism.

Step 4: Consider the Quality of Windshield

Ensure that the windshield is of high quality. Replacement windshields from fast-fit companies may be cheaper but can be of lower quality. Look for options recommended by the manufacturer for better results.

Prevention Tips to Keep Your Wipers Squeaker-Free

Prevention is key to avoiding squeaky wipers. Here are some tips to follow:

Use proper washer bottle fluid that not only cuts through grime but also lubricates the wiper blades. Thoroughly clean your windshield after using automatic car washes that apply wax. If you have replaced wiper arms, ensure that they use the same specifications as the original equipment manufacturer (OEM) parts.

Conclusion

By following these troubleshooting steps and prevention tips, you can help ensure that your windshield wipers operate smoothly and quietly. If the issue persists, consider consulting a professional technician.