What to Do When Your Car Rear Wiper Stops Working

Table of Contents

• Understanding Rear Wipers


• Common Symptoms of Rear Wiper Failure


• Initial Checks to Perform


• Checking the Rear Wiper Blade


• Examining the Wiper Motor


• Checking the Wiring and Fuses


• When to Seek Professional Help


• Preventative Maintenance Tips for Your Rear Wiper


• Conclusion


• FAQs

Understanding Rear Wipers

The rear wiper is an essential component of your vehicle's visibility system, particularly during inclement weather. Unlike the front wipers, rear wipers are commonly used in SUVs, hatchbacks, and some sedans to ensure that the rear windshield remains clear of rain, snow, and debris. Understanding how these systems work can help in troubleshooting when issues arise.

Common Symptoms of Rear Wiper Failure

When your rear wiper stops working, it can present a few recognizable symptoms. These may include:

1. No Movement

The most obvious sign is that the rear wiper does not move when activated. This complete lack of action can indicate a problem with the motor or electrical system.

2. Stuttering or Inconsistent Motion

If the wiper moves sporadically or stutters during operation, it could point to a worn-out motor or an issue with the linkage.

3. Unusual Noises

Grinding, clicking, or buzzing sounds can be indicators of mechanical issues within the wiper assembly or motor.

Initial Checks to Perform

Before diving into complex diagnostics, perform some basic checks to rule out simple issues.

1. Ensure the Wiper Switch is Functional

Start by checking the wiper switch on your dashboard. Sometimes a faulty switch is the culprit behind the wiper's failure.

2. Inspect the Rear Window Washer Fluid

Ensure that the washer fluid reservoir is full. Some rear wipers are designed to integrate with the washer system, and low fluid levels can affect performance.

Checking the Rear Wiper Blade

Sometimes, the issue may not be with the motor but rather the wiper blade itself.

1. Examine for Wear and Tear

Inspect the wiper blade for any signs of wear, such as cracks or missing rubber. A damaged blade may not make full contact with the glass, making it inefficient.

2. Ensure Proper Installation

Check if the blade is properly attached to the wiper arm. A loose or improperly installed blade can lead to ineffective wiping or total failure.

Examining the Wiper Motor

If the blade appears to be in good condition, the next step is to investigate the wiper motor.

1. Locate the Wiper Motor

The rear wiper motor is typically found behind the panels on the rear hatch or in the trunk area. Consult your vehicle’s manual for the exact location.

2. Test the Motor

Using a multimeter, check the motor for proper voltage. If there is no power reaching the motor, the problem may lie elsewhere in the electrical system.

Checking the Wiring and Fuses

Electrical issues are often the cause of rear wiper failure.

1. Inspect the Fuses

Check the vehicle's fuse box for blown fuses related to the rear wipers. Replacing a blown fuse is a simple fix that can restore functionality.

2. Examine Wiring Connections

Inspect the wiring connected to the wiper motor for any signs of damage or corrosion. Loose or frayed wires can interrupt power and lead to operational issues.

When to Seek Professional Help

If you’ve gone through all the checks and still find your rear wiper inoperative, it might be time to consult a professional mechanic. They can perform a more thorough diagnostic to determine whether the issue lies in the motor, electrical system, or elsewhere.

Preventative Maintenance Tips for Your Rear Wiper

To prolong the life of your rear wiper and prevent future issues, consider the following maintenance tips:

1. Regular Cleaning

Keep the rear windshield clean to reduce strain on the wiper motor and blade. Apply a suitable windshield cleaner to enhance visibility.

2. Inspect Wiper Blades Periodically

Make it a habit to check the condition of your wiper blades regularly and replace them as necessary, typically every six months to a year.

3. Use the Wiper System Wisely

Avoid using the rear wiper when the windshield is dry or when there's no need, as this can wear out the motor prematurely.

Conclusion

A malfunctioning rear wiper can significantly impact your visibility and safety while driving in adverse weather conditions. By understanding the components, recognizing symptoms, and performing basic troubleshooting, you can often resolve rear wiper issues without the need for professional assistance. However, if the problem persists, consulting a mechanic is the best course of action. Regular maintenance can also go a long way in preventing these issues from arising in the first place.

FAQs

1. What should I do if my rear wiper is stuck?

If your rear wiper is stuck, first check for any obstructions. If there are none, you may need to inspect the motor or linkage for mechanical issues.

2. How often should I replace my rear wiper blade?

It's advisable to replace your rear wiper blade every six months to a year, depending on weather conditions and usage.

3. Can I fix a blown fuse myself?

Yes, replacing a blown fuse is a straightforward task. Consult your vehicle manual for the location of the fuse box and the specific fuse for the rear wiper.

4. What are the signs that my wiper motor is failing?

Common signs of a failing wiper motor include intermittent operation, strange noises, and complete failure to move.

5. Is it safe to drive without a functioning rear wiper?

While it is possible to drive without a rear wiper, it is not safe, especially in rainy or snowy conditions, as it can severely limit your visibility.

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