Ever stared at that rear windshield wiper, wondering if it really needs to be there? Maybe you’re building an epic off-road rig and want a cleaner aesthetic, or perhaps your old wiper is seized, rattling, or just an eyesore. Whatever your reason, learning how to take off back windshield wiper is a straightforward DIY project that can significantly clean up your vehicle’s look and even prevent future headaches.
At FatBoysOffroad, we understand the desire for a custom look and the satisfaction of tackling your own vehicle projects. That rear wiper can sometimes feel like an unnecessary appendage, especially if you’ve got a backup camera or simply prefer a sleek, unencumbered tailgate. This comprehensive guide will walk you through every step, ensuring you can confidently remove your rear wiper arm and motor, and even install a professional-looking delete kit, all while keeping safety and functionality in mind.
Ready to ditch that dinky little wiper? Let’s get to it!
Why Even Consider Removing Your Rear Wiper?
Removing your rear windshield wiper might seem like an unusual modification, but there are several compelling reasons why car owners and off-road enthusiasts choose this path. It’s not just about aesthetics; practicality often plays a significant role.
Here’s why you might want to consider this DIY project:
- Aesthetics and Customization: For many, especially those building custom trucks, SUVs, or even street cars, the rear wiper can disrupt the clean lines of the vehicle. A wiper delete creates a smoother, more modern look.
- Off-Road Readiness: On the trail, a rear wiper arm can become a snag point. Branches, brush, or even recovery straps can catch on it, leading to damage to the wiper arm itself or, worse, the tailgate or rear glass. Removing it eliminates this vulnerability.
- Weight Reduction (Minor): While minimal, every ounce counts for performance builds. Removing the wiper arm and motor contributes to a slight reduction in overall vehicle weight.
- Wiper Malfunction: If your rear wiper motor has failed, the arm is seized, or the blade is constantly chattering, removing it and installing a delete plug can be a simpler and more cost-effective solution than replacing the entire assembly.
- Improved Visibility (Specific Cases): While counter-intuitive, if your wiper is perpetually streaking or the motor is weak, removing it and relying on other methods (like ceramic coatings or just a clean window) can sometimes offer a less obstructed view.
Whatever your motivation, knowing the proper procedure is key to a successful, damage-free removal.
Essential Tools and Materials for Rear Wiper Removal
Before you dive into the project, gathering the right tools is crucial. Having everything at hand will make the process smoother and prevent frustrating interruptions. Most of these items are common garage tools.
Here’s what you’ll likely need:
- Basic Wrench Set or Socket Set: You’ll need these for the nut securing the wiper arm. Sizes vary by vehicle, so a full set is best.
- Flathead Screwdriver: Useful for prying off plastic caps or trim pieces.
- Trim Removal Tool (Plastic Pry Tools): Highly recommended for safely removing interior trim panels without scratching or marring them.
- Penetrating Oil (e.g., WD-40, PB Blaster): Essential if the wiper arm or nut is seized due to rust or corrosion.
- Wiper Arm Puller (Optional but Recommended): For stubborn wiper arms that won’t budge by hand. This tool makes removal much easier and safer.
- Shop Towels or Rags: For cleaning and protecting surfaces.
- Masking Tape or Painter’s Tape: To mark the wiper’s resting position if you’re only removing the arm temporarily.
- Wiper Delete Kit (Optional): If you plan a permanent removal, a dedicated delete kit provides a clean, watertight seal for the hole left by the wiper motor shaft.
- Silicone Sealant (if using a delete kit): For ensuring a watertight seal around the delete plug.
- Safety Glasses: Always protect your eyes when working on your vehicle.
Having these items ready will ensure a seamless experience as you learn how to take off back windshield wiper.
How to Take Off Back Windshield Wiper: A Step-by-Step Guide
This is where the rubber meets the road! Follow these steps carefully to safely remove your rear windshield wiper assembly. While specific vehicles may have slight variations, the general process remains the same.
Safety First: Preparing Your Vehicle
Safety is paramount in any DIY project. Take a moment to prepare your workspace and vehicle properly.
- Park on a Level Surface: Ensure your vehicle is stable and won’t roll.
- Engage Parking Brake: Double-check that the parking brake is fully engaged.
- Turn Off the Vehicle: Remove the key from the ignition to prevent accidental activation of the wiper system.
- Disconnect Battery (Optional but Recommended): For maximum safety, especially when dealing with electrical components like the wiper motor, disconnect the negative terminal of your vehicle’s battery.
Accessing the Wiper Arm Nut
The first physical step is to get to the nut that holds the wiper arm onto the motor shaft.
- Lift the Wiper Arm: Gently lift the wiper arm away from the glass.
- Locate the Base Cap: At the base of the wiper arm, where it pivots, you’ll usually find a small plastic cap or cover.
- Remove the Cap: Use a flathead screwdriver or your fingers to carefully pry off this plastic cap. It might be hinged or simply snap on. Set it aside.
- Expose the Nut: Beneath the cap, you’ll see the nut that secures the wiper arm to the splined shaft of the wiper motor.
Removing the Wiper Arm
Now for the main event: getting that arm off. This can sometimes be the trickiest part due to corrosion.
- Apply Penetrating Oil: If the nut or arm appears rusted or seized, spray a generous amount of penetrating oil onto the nut and around the base of the wiper arm. Let it sit for 10-15 minutes to work its magic.
- Loosen the Nut: Using the appropriate size wrench or socket, carefully loosen and remove the nut. Turn counter-clockwise.
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Remove the Wiper Arm:
- By Hand: Try to gently wiggle and pull the wiper arm straight off the splined shaft. Rock it slightly back and forth.
- Using a Wiper Arm Puller: If it’s stuck, position the wiper arm puller jaws under the arm and the central screw onto the motor shaft. Tighten the puller’s screw until the arm pops free. This is the safest way to avoid damaging the arm or shaft.
- Clean the Area: Once the arm is off, clean any rust or debris from the exposed shaft and surrounding glass.
Disconnecting the Wiper Motor (If Applicable)
If you’re going for a full wiper delete, you’ll need to remove the motor assembly as well. This requires accessing the interior of the tailgate or hatch.
- Remove Interior Trim Panels: Carefully use your trim removal tools to pry off the interior trim panels covering the tailgate or hatch. Look for screws, clips, or push pins. Work slowly to avoid breaking plastic tabs.
- Locate the Wiper Motor: The wiper motor assembly will be mounted on the inside of the tailgate, directly behind where the wiper arm was.
- Disconnect Electrical Connector: Find the electrical connector plugged into the wiper motor. Press the release tab and pull it away.
- Unbolt the Motor: The motor is typically held in place by 3-4 bolts. Use your socket wrench to remove these bolts.
- Remove the Motor: Gently pull the motor assembly and its shaft out from the vehicle. Keep an eye out for any grommets or seals that might come with it.
Sealing the Hole: The Wiper Delete Kit
With the motor removed, you’ll have a hole in your rear window or tailgate. A wiper delete kit is the cleanest way to seal this.
- Clean the Hole: Thoroughly clean both sides of the hole where the wiper motor shaft passed through. Ensure it’s free of grease, dirt, and old sealant.
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Install the Delete Plug: Most delete kits come with a rubber grommet, a decorative cap, and sometimes a bolt and washer.
- Insert the rubber grommet into the hole from the outside.
- Apply a bead of RTV silicone sealant around the edge of the grommet (on both sides, if possible) for extra waterproofing.
- Insert the decorative cap or bolt from the outside, tightening it from the inside with a washer and nut, if applicable. Follow your kit’s specific instructions.
- Test for Leaks: After the sealant has cured (check product instructions, usually 24 hours), spray water over the area with a hose to check for any leaks before re-installing your interior trim.
- Reinstall Trim: Once you’re confident there are no leaks, carefully reinstall all interior trim panels.
- Reconnect Battery: If you disconnected the battery, reconnect the negative terminal.
You’ve successfully learned how to take off back windshield wiper and achieved a clean, sleek rear end!
Troubleshooting Common Issues During Removal
Even with the best preparation, DIY projects can throw a curveball. Here are some common problems you might encounter when you take off back windshield wiper and how to tackle them.
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Stuck Wiper Arm: This is the most frequent issue. Rust and corrosion can bond the arm to the splined shaft.
- Solution: Use liberal amounts of penetrating oil and let it soak. A specialized wiper arm puller is your best friend here. Avoid excessive force with screwdrivers, as this can bend the arm or damage the glass.
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Stripped Nut: If the nut is badly rusted, it might strip when you try to loosen it.
- Solution: Try a 6-point socket (instead of a 12-point) for better grip. If it’s severely stripped, you might need to carefully cut the nut off with a Dremel tool and a small cutting wheel, being extremely cautious not to damage the shaft or glass.
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Broken Plastic Trim Clips: Interior trim panels often use delicate plastic clips that can break during removal.
- Solution: Always use plastic trim removal tools. Have a small assortment of universal trim clips on hand, available at most auto parts stores, as replacements.
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Water Leaks After Wiper Delete: If your delete kit isn’t installed properly or the sealant fails, water can get into your tailgate.
- Solution: Always test with a hose before re-installing interior trim. Use a high-quality, automotive-grade silicone sealant. If a leak occurs, remove the delete plug, clean the area thoroughly, and reapply sealant.
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Wiper Motor Wiring Issues: If you’re removing the motor and find complex wiring or multiple connectors.
- Solution: Take photos before disconnecting anything. If you’re unsure which wires to cap or tape, consult your vehicle’s wiring diagram or a professional mechanic. Improperly capped wires can cause shorts or electrical issues.
Patience and the right tools will overcome most of these hurdles.
Post-Removal Considerations and Maintenance
Once you’ve successfully completed the process of how to take off back windshield wiper, there are a few things to keep in mind for long-term satisfaction and safety.
Caring for Your Wiper Delete
Even with a delete kit, regular checks are a good idea.
- Regular Inspections: Periodically check the delete plug for any signs of cracking, degradation, or sealant failure. Especially after extreme weather conditions or off-road adventures.
- Keep it Clean: The area around the delete plug should be kept clean to prevent debris from compromising the seal.
- Wax and Seal: Treat the area around the delete plug as you would the rest of your paint or glass. Apply wax or a ceramic coating to help repel water and maintain its appearance.
Visibility and Legality
Removing your rear wiper can impact visibility, especially in certain conditions.
- Backup Camera Reliance: If you have a backup camera, ensure it’s clean and functional. It will become your primary rear-view aid in adverse conditions.
- Ceramic Coatings: Consider applying a hydrophobic ceramic coating to your rear window. This will cause water to bead up and roll off, significantly improving visibility without a wiper.
- Local Regulations: While rare, check local vehicle inspection laws. Some jurisdictions might have regulations regarding functional wipers, though this usually pertains to the front windshield. Generally, a non-functional or removed rear wiper is not an issue, but it’s always good to be informed.
Embrace the clean look, but always prioritize safe driving practices!
When to Call a Pro: Knowing Your Limits
While removing your rear wiper is a common DIY task, there are situations where calling a professional mechanic or auto body shop is the smarter, safer choice. Knowing your limits is a sign of a truly experienced DIYer.
Consider professional help if:
- Severe Corrosion: If the wiper arm nut is completely fused with rust and your penetrating oil and puller aren’t making a dent, aggressive removal could damage the glass or tailgate. A professional has specialized tools and experience for these situations.
- Complex Interior Trim: Some vehicles, especially luxury models, have very intricate and delicate interior trim panels that are difficult to remove without specialized knowledge or tools. Breaking these can be costly to replace.
- Integrated Electrical Systems: If the rear wiper motor is integrated into a complex body control module (BCM) or has multiple wires that you’re unsure how to properly cap or manage, improper disconnection could lead to dashboard error lights or other electrical issues.
- Fear of Water Leaks: If you’re particularly concerned about creating a water leak into your vehicle’s interior, a professional can guarantee a watertight seal with their expertise and materials.
- Lack of Tools or Time: If you don’t have the necessary tools or simply don’t have the time or patience to tackle the project, a professional can get it done quickly and correctly.
There’s no shame in seeking expert help. Sometimes, the peace of mind is worth the cost, especially when dealing with potential water damage or electrical problems.
Frequently Asked Questions About Rear Wiper Removal
Got more questions about ditching that rear wiper? We’ve got answers!
Is it illegal to remove my rear windshield wiper?
In most places, no. While front windshield wipers are legally mandated for safe driving visibility, rear wipers are generally considered an optional accessory. However, it’s always a good idea to quickly check your local vehicle inspection laws, just to be sure.
Will removing the rear wiper cause any warning lights on my dashboard?
For most vehicles, removing just the wiper arm will not trigger a warning light. If you remove the entire wiper motor assembly, it’s possible that some newer, more electronically integrated vehicles might detect a missing component and trigger a “wiper system fault” light. In such cases, the error might need to be cleared with a diagnostic scanner, or a resistor might be needed to trick the system.
Can I just cap off the hole without a delete kit?
While technically possible, it’s not recommended for a permanent solution. You could use a rubber grommet and RTV silicone, but a dedicated wiper delete kit is designed to provide a clean, secure, and watertight seal that looks professional and lasts longer. Generic solutions might fail and lead to water ingress over time.
How long does it typically take to remove a rear wiper?
For a basic wiper arm removal, it might take 15-30 minutes. If you’re removing the entire motor and installing a delete kit, factor in 1-2 hours, especially if interior trim removal is involved and you need to take your time to avoid damage. Patience is key!
Will removing the rear wiper affect my vehicle’s resale value?
Generally, for most everyday vehicles, removing the rear wiper would likely be considered a minor modification and might not significantly impact resale value, though some buyers might prefer it stock. For custom builds or off-road vehicles, a wiper delete can often be seen as a desirable aesthetic or functional upgrade.
Hopefully, these answers clear up any lingering doubts!
Clear Skies Ahead!
You’ve now got the knowledge and confidence to tackle the task of how to take off back windshield wiper. Whether you’re aiming for a cleaner look, eliminating a snag hazard for off-road adventures, or simply dealing with a broken component, this DIY project is entirely within reach for the average car owner or weekend mechanic. Remember to prioritize safety, use the right tools, and take your time.
The satisfaction of completing a modification like this yourself is immense, and your vehicle will thank you with its new, streamlined aesthetic. Keep those windows clear and those trails conquered!
Stay safe and stay comfortable out there!
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