Painting Plastic Car Rims: A Step-By-Step Guide

how to paint plastic car rims

Painting your car rims is an easy and cost-effective way to give your vehicle a fresh, personalized look. It is a great way to add a bit of flair with a custom shade or to match your rims to the colour of your car. The process is fairly straightforward and can be done at home with the right tools and preparation. The first step is to remove the wheels from the vehicle, followed by cleaning and sanding the rims to ensure a smooth base for the paint to adhere to. After this, you can apply primer, paint, and a clear coat to protect the paint and add gloss.

Characteristics Values
Cost Cost-effective, less than $100
Time Less than two hours
Tools Jack stands, floor jack, sandpaper, wire brush, Dremel, pressure washer, hose, scrubber, automotive spray paint, primer, clear coat, degreaser, mineral spirits, car wash soap, clean rags, drop cloth, masking tape, newspaper
Steps Remove wheels, clean rims, sand rims, apply primer, apply paint, apply clear coat, dry, reattach wheels

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Removing wheels from the car

Removing the wheels from your car is a relatively straightforward process, but it is important to take the necessary precautions to ensure your safety and the continued reliability of your vehicle. Here is a step-by-step guide on how to remove the wheels from your car:

Park your vehicle on a flat surface: Choose a flat, hard, and level surface to park your car. Apply the parking brake and engage the parking brake. Make sure the parking brake is released before attempting to remove the wheels.

Use wheel chocks: Place wheel chocks around the tires that will remain on the ground. If you are working on the front tires, place the wheel chocks around the rear tires, and vice versa. This will prevent the vehicle from moving while you are working.

Loosen the lug nuts: Using a ratchet and socket or a tire iron, loosen the lug nuts on the wheels that you will be removing. Turn them approximately 1/4 turn, or just enough so that the tire won't fall off when you lift the vehicle.

Lift the vehicle: Using a floor jack, lift the vehicle at the manufacturer's suggested lift point until the tire to be removed is off the ground. If you are removing all four tires at once, use jack stands to properly secure your chassis.

Remove the wheel: With the vehicle lifted, you can now remove the wheel from the wheelbase. You may need to knock or hit the wheel gently with a large metal object or a brick to dislodge it. Be careful not to use excessive force, as this can damage the wheel or vehicle.

Move the wheel to your workspace: Once the wheel is removed, carefully lower the vehicle back to the ground and torque the lug nuts to the manufacturer's specifications using an alternating star pattern. Now, move the wheel to the workspace where you plan to paint the rims.

Remember to always refer to your car's owner's manual for specific instructions on removing the tires. It is also important to have the necessary tools and safety equipment to prevent damage to the vehicle or injury to yourself. If you encounter any difficulties or problems, it is recommended to seek assistance from a certified mechanic.

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Cleaning and sanding the rims

To paint your car rims, you must first clean and sand them to ensure the paint adheres properly and the final product looks smooth and professional.

Start by removing the wheels from your car. This is important because it makes the process much easier and more precise. Working in your garage or driveway, use jack stands in addition to a floor jack for safety. Loosen and remove the lug nuts, then remove the wheel from the wheelbase. Move the wheel to your workspace.

Next, clean the rims thoroughly. Use an automotive cleaner or degreaser, and a clean rag to wipe down the rims, inside and out. This will remove any dirt, oil, brake dust, or grease that could interfere with the paint's adhesion. If your rims are particularly dirty or rusty, use a wire brush or steel wool to scrub away stubborn dirt and grime. Rinse off the cleaner and let the rims dry completely.

Once the rims are dry, it's time to sand them. Sanding creates a smooth base for the paint to adhere to, which is critical for a long-lasting finish. Use sandpaper with a grit size appropriate for the condition of your rims. If your rims are in good shape, you can use less rough sandpaper. If there is significant corrosion or rust, you may need to start with a coarser grit and work your way to a finer grit. Wet sandpaper is recommended as it carries grit away, allowing for a smoother finish. Sand the rims until you have a smooth, blemish-free surface.

After sanding, thoroughly wash the rims again to ensure no dust or residue is left behind. Use a pressure washer if you have one, or a hose, scrubber, or clean rag to fully rinse the grit and soap residue from the wheel. Allow the rims to dry completely before moving on to the next step of the painting process.

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Applying primer

Before applying the primer, it is crucial to prepare the rims properly. This includes removing the wheels from the car, cleaning and degreasing the rims, and sanding them down to create a smooth base for the primer to adhere to. Make sure to remove any dirt, oil, brake dust, or grease from the rims, as this can interfere with the adhesion of the primer and paint. Use a wire brush or steel wool to remove stubborn dirt and grime, and then wash and dry the rims thoroughly.

When you are ready to apply the primer, shake the primer can well to ensure that it is mixed properly. It is also a good idea to spray a small amount on a piece of paper to test the spray pattern and ensure that it comes out smoothly. Hold the primer can about one foot away from the wheel and start spraying, focusing on each corner and edge of the wheel. Apply the primer in thin, even coats, and be careful not to spray too much at once, as this can cause dripping or running.

Allow the primer to dry completely before applying a second coat. Depending on the product you are using, this could take around 20-30 minutes. Once the first coat is dry, apply a second coat of primer using the same technique. You may need to apply additional coats for complete coverage, but be sure to follow the instructions on your specific primer product. Remember to allow adequate drying time between each coat.

After the final coat of primer has been applied and dried, you can move on to the next step, which is typically applying the basecoat or paint. Remember to follow the specific instructions for your chosen products and take your time to achieve the best results.

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Spray painting

Preparation

First, you must decide whether to remove the wheels from your car. It is easier to work on the rims when they are not attached to the car, but it is possible to paint them while they are still on the car. Removing the wheels means you can avoid the extra effort of masking the tires and surrounding areas. If you do decide to remove the wheels, jack up your vehicle safely and remove the lug nuts and wheels.

Next, clean the rims thoroughly with a powerful degreaser to remove any dirt, oil, brake dust, or grease that may interfere with how the paint adheres to the surface. A good wire brush or steel wool can help remove stubborn dirt and grime, especially from the nooks and crannies of the rims. Rinse off the cleaner and let the rims dry completely before moving on.

Once the rims are dry, sand them with sandpaper to roughen up or remove the old paint layer and create a smooth base for the new paint to adhere to, which is critical for a long-lasting finish. Start with 400-500 grit sandpaper and work towards 800-1000 grit. Make sure to sand both the inside and outside of the rims, and don't forget to sand the crevices. Rinse off the sandpaper residue with water and dry the rims again.

Painting

Before you start painting, make sure you are working in a clean area, and the temperature is between 60 and 80 degrees Fahrenheit with minimal humidity. Do not paint in the rain. Use masking tape and newspaper to cover the tire, exposing only the rims.

Now it's time to prime the rims. Shake the primer can well and spray it onto the rims, holding the can about one foot away from the surface. Focus on each corner and edge of the wheel, and apply the primer in thin, even coats. Let the primer dry for about 20-30 minutes, then lightly sand it to achieve a smooth surface. Degrease the wheel again to ensure it is completely dust-free.

Select a high-quality automotive spray paint in your desired colour. Shake the can well and spray lightly and evenly on the rims, holding the can 8-12 inches from the surface. Apply thin, even coats and allow each coat to dry for at least 15-20 minutes before applying the next one. For complete, even coverage, you'll likely need 3-4 coats of paint. Remember to be patient and take your time to avoid uneven or patchy paint.

Finishing

After the paint has dried completely, it's time to protect your work by applying a clear coat. The clear coat gives the rims a glossy, polished look and protects the paint from chipping, fading, or peeling due to exposure to road conditions, sunlight, and weather. Apply the clear coat in the same way as the paint: thin, even layers with about 15-20 minutes of drying time between each coat.

Once the clear coat is dry, allow the rims to cure completely, which could take a few hours to a full day, depending on the type of paint and clear coat used. Ensure the rims are fully dry before reattaching them to your car to avoid smudging or damaging the finish. Carefully remove the masking tape and newspaper from the tires, then reattach the wheels to your car by following the reverse order of how you removed them. Ensure the lug nuts are securely tightened, and lower the vehicle back onto the ground.

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Applying a clear coat

Before applying the clear coat, ensure that the rims are thoroughly cleaned and dried. Use a degreaser to clean the rims, both inside and out, to remove any additional brake dust or dirt. Rinse the rims with water to remove any excess soap and degreaser residue, and then dry them with a clean rag.

Once the rims are completely dry, use sandpaper to sand them down and create a smooth base for the clear coat to adhere to. The sandpaper grit size you use will depend on the condition of the rim. If there are imperfections, use a coarser grit and switch to a finer grit as you work. After sanding, wash the rims again to remove any dust or residue.

When you are ready to apply the clear coat, shake the aerosol can for about a minute. Hold the can 8-12 inches from the rims and spray in smooth, sweeping motions to avoid drips. Apply thin, even layers with about 15-20 minutes of drying time between each coat. You will likely need 2-4 coats of the clear coat for complete, even coverage.

After applying the final clear coat, allow the rims to dry and cure completely. This could take anywhere from a few hours to a full day, depending on the type of clear coat used. Ensure the rims are fully dry before reattaching them to your car to avoid smudging or damaging the finish. Carefully remove any protective materials, such as masking tape and newspaper, from the tires and then reattach the wheels to your car.

Frequently asked questions

First, remove the wheels from your car, then clean and sand the rims to create a smooth base for the paint to adhere to. Next, apply a primer, followed by 3-4 thin coats of paint in your desired colour. Finally, apply a clear coat to protect the paint and give it a glossy finish. Allow the rims to dry completely before reattaching them to your car.

You will need jack stands, a floor jack, clean rags, a drop cloth, masking tape, newspaper, degreaser, mineral spirits, car wash soap, sandpaper, automotive spray paint, spray primer, and spray clear coat.

The cost of painting plastic car rims yourself should not set you back more than $100.

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