How To Clay Bar Your Nissan Altima?

By Nick Marchenko, PhD

Updated: August 3, 2023

Ever given a moment's consideration to the immaculate sheen that graces your Nissan Altima? Then perhaps you should entertain the idea of acquiring the necessary proficiency in a procedure known as clay bar detailing.

The mechanism is quite straightforward: one procures a block of clay bar and uses it to extract particles of dust and minutiae of grime from the Nissan Altima's exterior. Such a practice is carried out on the vehicle prior to any polishing or ceramic coating, with the purpose of guaranteeing that the Altima's chassis is unsullied and devoid of contaminants.

In the course of its travels, your Altima inevitably collects an assortment of pollutants, such as dust, debris, road dirt and the like. This detritus clings to your Nissan Altima's painted surface, giving it a worn and unkempt appearance, akin to a vehicle that has recently partaken in a vigorous off-road challenge.

It is in such instances that the clay bar reveals its true value, serving as a practical and efficient solution in the cleaning of the Altima's body.

When Does the Nissan Altima Benefit from a Clay Bar Application?

Whilst the clay bar is an indispensable tool in the detailing of a Nissan Altima, its use is not required after every single car wash. There are certain scenarios where a clay bar is particularly useful, which we will proceed to enumerate.

• Coarse or uneven surface. Should you find, upon running your hand over your Altima's exterior, that the surface is rough and peppered with minor inconsistencies, this indicates a buildup of grime. It could be sap from trees, embedded dust or dirt, or debris from the road. A clay bar can be most effective in removing these stubborn particles, resulting in a sleek and smooth body.
• Diminished glossiness. If you observe that your car paint has dulled and lost its usual gleam, the culprits are likely to be various contaminants. A good clay barring not only banishes all the grime but also restores the original lustre and dazzle to your Nissan Altima's paintwork.
• Waxing and polishing preparations. Prior to the application of wax or polish on your Nissan Altima, it is imperative to ensure the absence of dirt or any other pollutants on the surface. The prior usage of a clay bar ensures a thoroughly clean surface, allowing for the wax or polish to adhere more effectively to your vehicle's body.

What Tools are Required to Clay Bar a Nissan Altima?

Before embarking on the clay bar project for your Nissan Altima, one must ascertain the availability of all the necessary tools. They are as follows:

• Water (either bucketed or from a hose);
• Car shampoo;
• Microfiber towels;
• Soft brush;
• Clay bar;
• Clay bar lubricant

Selecting the Ideal Clay Bar for your Nissan Altima

The correct clay bar selection ensures the thorough removal of all conceivable contaminants, while concurrently ensuring your Altima's paint remains unscathed during the detailing process.

Here are some factors to contemplate while selecting a clay bar:

• Softness and intensity. Clay bars come in a variety of softness and intensity levels. There are generally three categories: mild, medium, and aggressive. The softness level determines how delicately the clay bar will treat your Nissan Altima's paintwork.

NOTE: If it's your first time applying a clay bar to your Nissan Altima, it's advisable to begin with the mild or medium levels. The aggressive type of clay bar is employed when there is an abundance of dirt or contaminants, so one must be judicious to avoid causing damage to the body paint.

• Dimensions and shape. Clay bars are available in an array of sizes and forms, such as larger or smaller pieces. Larger bars are suitable for even surfaces, while smaller ones are adept at dealing with diminutive and difficult-to-access areas.
• Clay bar lubricant. Lubricant is an indispensable component of clay barring. It prevents the clay from adhering to the Altima's body or merging with the paint. When you purchase a clay bar, it may be accompanied by additional lubricant. However, occasionally you may need to procure lubricant separately from the clay.
• Brand and reviews. An established product is a testament to its reliability and effectiveness. Aim for a renowned brand in the detailing industry and don't forget to peruse reviews about the product.
• Price. Clay bars vary in price depending on the brand, size, and quality. Seek an option that suits your needs. Also, remember that a loftier price doesn't necessarily equate to superior performance.

How to Clay Bar your Nissan Altima?

Clay barring the body of a Nissan Altima is not an overly complex task, meaning that it's within the capabilities of any enthusiastic owner. Nevertheless, there are some guidelines to adhere to ensure the process runs smoothly and yields a flawless result.

Commence with a Clean Vehicle

It's strongly advised to conduct the clay barring procedure on a clean vehicle. Therefore, prior to initiating the process, one should wash away all exterior contaminants and, preferably, perform a complete detailing.

If you're in need of a comprehensive guide on how to properly wash your Nissan Altima - we've prepared an entire article on the subject, which you can explore here.

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Prepare your Clay Bar

Knead a piece of clay in your hands until it becomes malleable, then shape it into a disc that will be utilised for the polishing process.

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Commence with a Compact Area

Set your sights on a small segment of your Nissan Altima (about 2 ft x 2 ft in dimension). Dispense some lubricant on it, and initiate rubbing it with a piece of clay in a combination of vertical and horizontal strokes. You might sense a certain resistance - that's the clay gathering dirt from your Altima's bodywork.

Proceed with the car body cleansing process. If needed, do add more lubricant if you observe the clay beginning to stick to the vehicle's body.

Regularly Inspect your Nissan Altima's Clay Bar

Periodically, give the piece of clay you're using a good look-over. If it has become a hotel for dirt and debris particles, knead it around so that you're working with a fresh bit of clay and carry on with the task at hand.

Clean Up any Remaining Lubricant with a Microfiber Towel

Wipe off any residual lubricant with a clean microfiber cloth. Then cast an appraising eye over the treated surface. It should gleam with a clear and shiny lustre.

To verify, give it a gentle stroke with your finger - it should be as smooth as glass to the touch. If this lofty result is still elusive, return to your previous actions.

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Proceed to the Next Section

Upon achieving the desired result in one area, advance to the next one. Pick another 2 ft x 2 ft area and repeat the aforementioned actions. Resist the temptation to treat the entire surface of the Nissan Altima all at once - progress in smaller sections until the job is done.

Apply the Finishing Touch

Round off the process by either polishing or coating the Nissan Altima's bodywork with wax - this adds a touch of elegance to the car's appearance and imbues it with additional shine. It also helps to fill in small cavities on the car's body where minute particles of dirt were formerly lodged.

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Where is it Appropriate to Use a Clay Bar, and Where is it Not?

A clay bar is not a jack-of-all-trades tool that's suitable for any surface or part of the Nissan Altima. To avoid causing any damage, it's important to be familiar with where exactly a clay bar can be safely used for dirt removal and where it cannot.

A clay bar CAN be used on:

• Paintwork;
• Glass;
• Clear optical plastics (headlights/tail lights);
• Polished metals (stainless steel, aluminium, chrome, etc.);
• Wheels;
• Carbon fibre;
• Exhaust tips;
• Clear bras

A clay bar CAN'T be used on:

• Matt paintwork/vinyl wraps;
• Textured plastic trim;
• Rubber (door/window seals, tyres)

Wrapping it All Up

Clay barring your Nissan Altima is far from rocket science. However, it does require a measure of attentiveness and care to prevent any undesired damage to your vehicle's body paint.

When selecting a clay bar, keep an eye out for its type, size, and brand, and don't forget to secure an additional lubricant.

Execute the steps with due diligence, and you'll be rewarded with the pleasing outcome of a pristine and glossy Nissan Altima that retains its charm for a considerable duration.

 

FAQs

Is a Dropped Clay Bar Piece Still Usable?

Afraid not. A clay bar, with its adhesive properties, will promptly collect any contaminants and detritus from whatever surface it happens to meet. So refrain from using such clay to buff your Nissan Altima's body - you'd only end up inflicting damage.

Tiny particles of grime, sand, and debris would act as miniature abrasives, potentially scratching the polished exterior of your Altima. Should you inadvertently drop a piece of clay bar, dispense with it promptly.

What's the Protocol Once Clay Barring is Completed?

Once the procedure is concluded, it's imperative to safeguard your Nissan Altima's bodywork. For this purpose, waxing or polishing is the recommended course of action.

This not only bestows a radiant and refreshed appearance upon your Nissan Altima but also serves to protect the pores of the car's body from any form of contamination.