Mitsubishi Montero Sport Windshield Wipers Aren't Working

Common Causes of Windshield Wiper Malfunctions in Your Mitsubishi Montero Sport and How to Fix Them

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Reviewed by
Aisha
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 Mitsubishi Montero Sport 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 Mitsubishi Montero Sport 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.

Troubleshooting Non-Functional Windshield Wipers in a Mitsubishi Montero Sport

When troubleshooting non-functional windshield wipers in a Mitsubishi Montero Sport, it's essential to adopt a methodical diagnostic approach. Start by checking the wiper switch, as a malfunction here can prevent the wipers from operating correctly. If the switch appears to be functioning, inspect the wiper motor for any visible signs of damage or wear. Listen for unusual noises when activating the wipers, as this can indicate internal issues. If the wipers are stuck on one speed or fail to respond, consider the possibility of a faulty intermittent wiper relay or electrical problems within the system. If these initial checks do not resolve the issue, further testing of the motor may be necessary, which could require professional assistance. By following this structured approach, you can effectively narrow down the cause of the problem and determine the best course of action for repair.

Troubleshooting Windshield Wiper Issues in a Mitsubishi Montero Sport

When troubleshooting windshield wiper issues in a Mitsubishi Montero Sport, it's essential to understand the common problems that can arise. One of the first steps is to check the wiper motor fuse, as a blown fuse can prevent the wipers from functioning. If the fuse is intact, the next step is to inspect the wiper motor itself, as a malfunctioning motor may require replacement to restore operation. Additionally, the wiper switch can also be a culprit; if it is faulty, replacing it may resolve the issue. It's also crucial to ensure that the wiper blades are not frozen to the windshield, as this can lead to damage if the wipers are activated. Regular maintenance, such as replacing wiper blades annually and clearing ice or snow before use, can significantly enhance the lifespan and performance of your wipers. By addressing these common issues, you can effectively troubleshoot and maintain the windshield wipers in your Mitsubishi Montero Sport, ensuring they operate smoothly when you need them most.

Why Are the Windshield Wipers Not Working on a Mitsubishi Montero Sport?

When your Mitsubishi Montero Sport's windshield wipers fail to operate, it is crucial to address the issue without delay. Ignoring malfunctioning wipers can significantly impair your visibility during rain or snow, increasing the risk of accidents. Common culprits include a faulty wiper motor, a blown fuse, or damaged wiper blades. If the wipers are not turning on at all, it may indicate a problem with the switch or electrical connections. Additionally, if one wiper is stuck, it could be due to ice or snow causing damage to the linkage. Regular maintenance, such as replacing torn wiper blades and checking the motor's functionality, can prevent these issues from escalating. By taking immediate action, you not only ensure your safety on the road but also protect your vehicle from potential damage that could arise from prolonged neglect.

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