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How to Use a Clay Bar

Whenever your vehicle leaves your garage or parking spot, it’s exposed to contaminants that will take away from its appearance and contribute to premature corrosion. Routine car washes can help keep your car in good shape and remove day-to-day gunk that builds up, but the stuck-on stuff needs extra work to remove it.

That’s where a clay bar comes into play. It’s a detailing tool that’s perfect for taking off compounds that have adhered to paint, glass, and metal surfaces that usually costs around $20 to $30, and it can be used time after time. You can do damage to your paint if you don’t how to use a clay bar properly. Here’s what you need to know about using this versatile detailing product.

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Why should you use a clay bar

A clay bar is a detailing tool used to remove contaminants from the surface of your vehicle’s paint, glass, fiberglass, and metal. These contaminants can include: 

  • Dirt 
  • Grime 
  • Industrial fallout 
  • Brake dust 
  • Bug guts 
  • Road tar 
  • And tree sap 

Using a clay bar can help to restore the smoothness and shine to your vehicle’s paint by removing these contaminants, which can make the surface feel rough or dull. It is a quick and effective way to prepare a vehicle for waxing or polishing, and can also help to improve the overall appearance of the vehicle. 

How does clay bar work? As the elastic clay passes over particles on the paint, it catches on them and pulls them free. It traps the contaminants in the clay so they don’t get deposited back onto the car or anywhere else the clay is used. 

It is important to note that a clay bar should not be used on a heavily damaged or severely oxidized paint finish, as it may not be effective in removing these types of imperfections. In these cases, it may be necessary to use more aggressive methods, such as wet sanding or compound polishing, to restore the surface. 

How often should you use a clay bar

The frequency with which you should use a clay bar will depend on the condition of your vehicle’s paint and the level of contaminants present. In general, it is a good idea to use a clay bar at least once a year to help maintain the smoothness and shine of your vehicle’s paint. 

If you live in an area with a lot of road grime or near railway tracks, or if you frequently drive on gravel roads or in heavy traffic, you may want to use a clay bar more frequently. In these cases, you may want to use a clay bar every six to twelve months to help keep your vehicle’s paint in good condition. 

On the other hand, if you live in a relatively clean environment and don’t drive your vehicle very often, you may be able to go longer periods of time between clay bar treatments. In these cases, you may only need to use a clay bar every one to two years. 

Ultimately, the best way to determine how often to use a clay bar is to visually inspect your vehicle’s paint and feel for any roughness or contaminants. If the paint feels smooth and clean, there is probably no need to use a clay bar at that time. However, if the paint feels rough or there is a noticeable build-up of contaminants, it may be time to give your vehicle a clay bar treatment. 

How to use a clay bar

Using a clay bar is a simple but effective way to remove the stuff that gets stuck to your car’s paint, glass, bumpers, grille, and even the rims. Here’s how to use a clay bar: 

1. Wash and dry your car

Before you begin, make sure your car is clean and dry. A clay bar will not effectively remove contaminants from a dirty surface.

2. Divide the car into sections

Divide your car into sections, such as the hood, roof, trunk, and each door. This will help you keep track of which areas you have already clayed.

3. Knead the clay bar

Before you start using the clay bar, knead it in your hands to soften it and make it more pliable.

4. Mist the surface with lubricant

Spray a light mist of clay lubricant onto the surface of the car. This will help the clay bar glide over the paint and prevent it from sticking or scratching the surface.

5. Glide the clay bar over the surface

Hold the clay bar in one hand and gently glide it over the surface of the car in a back and forth motion. Be sure to apply moderate pressure, but not so much that you risk scratching the paint.

6. Wipe off the residue

After you have finished claying a section, wipe off any residue with a clean, dry microfiber towel.

7. Repeat the process

Repeat the process on the other sections of the car until the entire surface has been clayed.

8. Wash and wax the car

Once you have finished using the clay bar, wash and wax the car to protect the paint and give it a shiny finish.

Using a clay bar can help to restore the smoothness and shine to your car’s paint, and is an important step in maintaining the overall appearance of your vehicle. 

Buy detailing supplies including clay bar and lubricant at AutoZone. With a wide range of products from names you trust, you’ll keep your vehicle looking as great as possible for years to come. 

Helpful How-To Aritlces

FAQ/People Also Ask 

Do you clay bar before or after wash? 

You should wash your car before using clay bar, then wash and wax it again after the treatment is complete. 

What’s the best way to use clay bar? 

With a clean car, spray a small section with lubricant and pass the clay bar over it until it feels smooth. Then, wash your car and apply a protective coating. 

Do you use clay bar on wet or dry car? 

Clay bar needs to be used on a wet surface, and special detailing lubricants are made for that purpose. 

What liquid do you use with clay bar? 

Detailing supply companies have clay lubricant sprays that work well with clay bar. 

Can I clay bar my windshield? 

Yes, it’s safe to use clay bar on your windshield, and it’s an excellent product to get stuck-on bugs off the glass. 

Do you clay bar then wax? 

After you’ve clayed the painted surface, any protective wax will be removed too, so it’s a good idea to reapply. 

Should you wash after clay bar? 

After using a clay bar, wash the car to remove unsightly residue and streaks. 

Advice, how-to guides, and car care information featured on AutoZone.com and AutoZone Advice & How-To’s are presented as helpful resources for general maintenance and automotive repairs from a general perspective only and should be used at your own risk. Information is accurate and true to the best of AutoZone’s knowledge, however, there may be omissions, errors or mistakes.

Be sure to consult your owner’s manual, a repair guide, an AutoZoner at a store near you, or a licensed, professional mechanic for vehicle-specific repair information. Refer to the service manual for specific diagnostic, repair and tool information for your particular vehicle. Always chock your wheels prior to lifting a vehicle. Always disconnect the negative battery cable before servicing an electrical application on the vehicle to protect its electrical circuits in the event that a wire is accidentally pierced or grounded. Use caution when working with automotive batteries. Sulfuric acid is caustic and can burn clothing and skin or cause blindness. Always wear gloves and safety glasses and other personal protection equipment, and work in a well-ventilated area. Should electrolyte get on your body or clothing, neutralize it immediately with a solution of baking soda and water. Do not wear ties or loose clothing when working on your vehicle.

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