
Plastic wheel wells can be patched using a variety of methods, depending on the extent of the damage and the materials available. Some common approaches include using duct tape or packing tape to cover holes, applying epoxy and pop rivets, utilising plastic welding techniques with a nitrogen plastic welder, or patching with fiberglass or epoxy-impregnated patches. In some cases, it may be necessary to replace the entire wheel well if the damage is extensive or the repairs are not effective. Additionally, cleaning and restoring the plastic trim can help improve the appearance and hide minor scuffs or scratches.
| Characteristics | Values |
|---|---|
| Materials | Gorilla Tape, Flex Tape, EPDM Seam Tape, Eternabond Tape, Polyken's Tape, Packing Tape, Polyethylene, Polypropylene, Epoxy, Sandpaper, Plastic Welders, Rubber, Glue, Primer |
| Tools | Flathead Screwdriver, Pliers, Needle-nose Pliers, Heat Gun, Sandpaper, Angle Grinder, Air Compressor, Polyvance's Nitrogen Plastic Welder |
| Steps | Clean the area, apply primer, apply tape, glue, sand, cool, quick-cool, test strength, install |
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What You'll Learn

Using tape to patch a plastic wheel well
For a more durable solution, it is recommended to use EPDM seam tape, which is flexible, stretchable, and durable. To use this tape, clean the area with a bonding primer, then apply the tape.
If you are looking for a temporary solution, you can use packing tape or any other type of tape that you have on hand. However, keep in mind that it may not last very long.
Additionally, some people have suggested using a plastic arch glued to the back of the wheel well or drilling holes for push rivets to hold the tape in place. This can add extra security to ensure that the tape does not peel off.
Overall, using tape to patch a plastic wheel well is a simple and effective solution, especially if you are looking for a quick fix.
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Using glue to patch a plastic wheel well
To patch a plastic wheel well using glue, you can follow these steps:
First, you need to clean and prepare the area. Make sure the surface is free of any dirt, grease, or debris. You can use a degreaser or a mild soap solution to clean the area. It is important to ensure that the surface is completely dry before moving on to the next step.
Next, choose the appropriate glue. A strong adhesive, such as Super Glue or epoxy, is recommended for bonding plastic. You can find these at most hardware stores. Before applying the glue, make sure to read and follow the manufacturer's instructions for the best results.
Now, apply the glue to the plastic wheel well. Spread an even layer of glue onto the surface, making sure to cover all the areas that need to be patched. You can use a small brush or a glue applicator to ensure a precise and controlled application.
After applying the glue, you can attach any additional materials, such as a plastic patch or a thin piece of metal, to reinforce the wheel well. Make sure to press and hold the materials firmly in place for a few minutes to allow the glue to set initially.
Finally, allow the glue to cure completely. This may take several hours or even a day, depending on the type of adhesive used and the instructions provided by the manufacturer. Do not use the vehicle until the glue has fully cured to ensure a strong and durable bond.
In addition to glue, you can also use tape, such as Gorilla Tape or duct tape, to provide additional reinforcement and protection to the patched area.
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Using rivets to patch a plastic wheel well
To patch a plastic wheel well using rivets, you will first need to purchase a rivet gun designed for plastic rivets. You can find these at Harbour Freight or NAPA, along with rivets. You can also buy rivets from Amazon. It is important to note that you should not use a rivet gun for this process if you are working with wheel house liners, as these require push pins instead.
Once you have your rivet gun and rivets, you will need to cut a patch out of thick flashing material, such as thin aluminium or plastic. The patch should be an inch wider than the slot and long enough to fold under the wheel well lip. You will also need a two-part epoxy to coat the patch.
Apply the epoxy to the patch and pop rivet it in from the inside, folding the bottom under the wheel well lip. Fill any voids with more epoxy. This will ensure that the patch sheds water effectively.
You can also use plastic rivets to attach an arch to the back of the wheel well, as an additional support measure.
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Sanding and refinishing a plastic wheel well
Firstly, it is important to clean the wheel well thoroughly. This will improve its appearance and ensure that any dirt or debris does not interfere with the sanding process.
Next, you will need to decide on the sanding approach. For light sun damage or minor scratches, a light sanding with 1000-grit wet/dry sandpaper can be effective. Keep the sandpaper wet during this process to achieve a better paint finish. However, for deeper scratches or more extensive damage, a more aggressive approach may be required. In these cases, it is recommended to use a higher grit sandpaper, such as 2000-grit, to achieve a smoother finish.
After sanding, it is important to clean the area again to remove any dust or debris created during the sanding process.
Once the wheel well is clean and dry, it can be painted. Choose a paint that is suitable for plastic surfaces, such as automotive plastic paint or a specialised plastic trim paint. Carefully follow the manufacturer's instructions for the best results.
Finally, consider applying a plastic trim restorer or protectant to maintain the wheel well's appearance and protect it from future damage. These products can help to hide scuffs and keep the plastic looking jet black.
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Using a plastic welder to patch a plastic wheel well
Plastic welding is a relatively simple task that can be done at home. It is a good method for patching a plastic wheel well, as it creates a strong and cheap fix.
First, set up your workspace in a well-ventilated area to protect against dust and fumes. Wear protective gear, including a dust mask, protective polycarbonate glasses, gloves, and long-sleeved clothing. If the plastic you are welding has paint on it, use 80-grit sandpaper to scrub off the paint and expose the bare plastic underneath.
Next, you will need an electric welding gun and an appropriate welding rod. Turn on your welding gun and use the heat to gradually melt and join the plastic together. You can also use a soldering iron, a hot air gun, or a cigarette lighter to weld plastic. If you are using a welding gun, be very careful, as these tools can be dangerous. Always store the welder in a heat-resistant holster when it is not in use.
Once you have finished welding, smooth out the weld with 120-grit sandpaper. Apply light pressure to the weld, rubbing the sandpaper back and forth to make it look consistent with the rest of the plastic. Be careful not to scratch the plastic around the weld. Finish the plastic with 180 and 320-grit sandpaper, rubbing until the weld feels smooth and looks consistent with the surrounding area.
In addition to plastic welding, you can also patch a plastic wheel well using tape, glue, rivets, or epoxy.
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Frequently asked questions
There are several ways to patch a plastic wheel well. Some people use duct tape or gorilla tape, while others use a plastic arch glued to the back. You can also use a plastic welder to fix it.
First, clean the area and apply a bonding primer. Then, apply duct tape or gorilla tape to the affected area. You can also use epoxy and pop rivets to secure the tape in place.
To patch a plastic wheel well with a plastic welder, select the proper welding rod based on the ID symbol molded into the part. If you see "PE", use a polyethylene welding rod. If you see "PP", use a polypropylene welding rod. Start welding the ribbon on one side and make one continuous pass, finishing by locking in the weld on the opposite side.










































