2014 Buick LaCrosse Windshield Wipers Aren't Working

Common Causes of Windshield Wiper Malfunctions in Your 2014 Buick LaCrosse and How to Fix Them

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Reviewed by
Devin Cabugcal
Written by RepairPal Car Genius
Updated January 14, 2025
0%
75% chance it's the
Wiper Motor
0%
25% chance it's the
Switch
The most common reasons a 2014 Buick LaCrosse windshield wipers aren't working are broken wiper motor and issues with the switch.
  • Wiper Motor: A faulty wiper motor or a bad electrical connection can result in intermittent or non-functioning windshield wipers.
  • Switch: A faulty switch can result in intermittent or complete failure of the electrical component it controls, leading to malfunctioning systems.
Proper diagnosis will determine the exact cause of your symptom, saving you money on unnecessary repairs. The diagnostic experts at RepairPal Certified shops have the right tools and experience to solve any symptom.

How much does it cost to fix a 2014 Buick LaCrosse windshield wipers aren't working?

Common Repairs

The total repair cost will vary based on the condition of your vehicle and the number of repairs needed to fix your symptom. Proper diagnosis will save you money by finding the exact repairs needed to fix your car right the first time.

Inability to control the windshield wipers comes in several forms, and they are all indicative of windshield wiper switch failure. The windshield wipers may not work in all settings, may not turn on when requested, may not move to their parked position when turning off, or the washer pumps may or may not run at random. This is a general list of symptoms, but failure of anything the windshield wiper switch controls will indicate the need for testing the windshield wiper and washer switch.

A failed windshield wiper motor will do one of two things in the event of failure. First, it can intermittently work, meaning when the wiper switch is turned on, the windshield wipers may activate, and run for a random amount of time. This may happen at random, or change with a bump. Lastly, the windshield wipers could show no signs of activity, indicating motor failure.

The moment water touches the windshield, you know if you need new windshield wiper blades. If your wiper blades are torn, cracked, hard, or brittle, it is time for replacement. Wipers should also be replaced if the wiper blades only smear water around, seem to make a mess, streak the windshield, and miss large patches. If you are unhappy with the current wiper blades on your vehicle, this is a very economical change to make.

Windshield wiper arms will be replaced mainly for aesthetic reasons or damage. If the windshield arms become bent or rusted, the windshield wipers may not contact the windshield at the proper angle, or there may be no contact at all. Also, the sun will take a toll on these parts after years of use, and fading or clear coat peeling will result, not to mention rust.

What are the steps to diagnose the windshield wiper issue in a 2014 Buick LaCrosse?

When diagnosing a windshield wiper issue in a 2014 Buick LaCrosse, it's crucial to follow a methodical diagnostic approach that prioritizes simpler checks before delving into more complex components. Begin by inspecting the wiper blades for any signs of wear or damage, as this is often the easiest and most common issue to resolve. If the blades appear to be in good condition, move on to the wiper arms, ensuring they are securely attached and free from any obstructions that could impede their movement. Should these components check out, the next step is to assess the wiper motor; a malfunctioning motor can lead to erratic wiper behavior or complete failure. Additionally, inspect the fuse associated with the wiper system, as a blown fuse can render the wipers inoperable. If the fuse is intact, test the wiper switch on the dashboard to confirm it is functioning correctly. If all these elements are operational, examine the wiper linkage for any signs of damage or misalignment, as issues here can disrupt the wiper's movement. Lastly, check for any wiring problems, such as frayed wires or loose connections, which can affect the electrical flow to the wipers. By systematically addressing each of these components, you can effectively diagnose and resolve the windshield wiper issue in your Buick LaCrosse.

What are the common problems that could cause the windshield wipers to stop working on a 2014 Buick LaCrosse?

When dealing with non-functional windshield wipers on a 2014 Buick LaCrosse, it's essential to understand the common problems that could be at play. One of the first things to check is the fuse associated with the wiper system; a blown fuse can easily disrupt wiper operation and is a straightforward fix. If the fuse is intact, the next step is to inspect the wiper motor, as a malfunctioning motor may require repair or replacement to restore functionality. Additionally, worn or damaged wiper blades can significantly impact performance, so replacing them is a simple yet effective solution. It's also crucial to examine the wiper linkage, which connects the motor to the wiper arms; any breaks or damage here can prevent the wipers from moving correctly. Lastly, a faulty wiper switch can be the culprit, so testing and potentially replacing the switch may be necessary. By systematically checking these components, DIYers can effectively troubleshoot and resolve issues with their windshield wipers.

How urgent is it to repair the non-functioning windshield wipers on a 2014 Buick LaCrosse?

When it comes to the urgency of repairing non-functioning windshield wipers on a 2014 Buick LaCrosse, the implications are significant. First and foremost, safety is paramount; without functioning wipers, your visibility during rain or snow is severely compromised, increasing the likelihood of accidents. Additionally, many jurisdictions have laws requiring operational windshield wipers, and driving without them could result in fines or legal repercussions. Beyond safety and legality, neglecting this issue can lead to further complications, such as scratches on the windshield from debris, which can escalate repair costs. Lastly, having reliable wipers enhances your overall driving experience, providing peace of mind and convenience. Therefore, addressing the malfunction promptly is essential to ensure your safety, comply with regulations, and maintain the integrity of your vehicle.

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