How To Wash The Undercarriage Of A Car? - Detailing World

How To Wash The Undercarriage Of A Car?

Wash The Undercarriage Of A Car

The undercarriage of a car is one of the most overlooked areas when it comes to washing and maintenance. Many drivers take an 'out of sight, out of mind' approach to the cleanliness of their car's undercarriage; however, without regular cleaning and maintenance, your car's performance and market value will both suffer. In this article, from the team at Detailing World, you will learn more about the importance of maintaining the undercarriage of your car, as well as some basic maintenance tips to help you get the best results when cleaning it yourself. 

What Is The Undercarriage Of A Car?

The undercarriage of a car refers to the bottom part of a vehicle, including the chassis, suspension, drivetrain, and other components that are located below the body of the car. The undercarriage is exposed to the elements and road debris, making it susceptible to rust, corrosion, and other forms of damage. Regular cleaning and maintenance of the undercarriage can help extend the life of your car and maintain its appearance.

Why Should You Regularly Wash The Undercarriage Of Your Car?

Regular cleaning of the undercarriage of your car is important for several reasons.

-Prevents rust and corrosion: The undercarriage of a car is exposed to road debris, salt, and other elements that can cause rust and corrosion over time. Regular cleaning can help remove these elements and prevent damage.

-Maintains appearance:A dirty undercarriage can detract from the overall appearance of your car. Regular cleaning will help keep it looking its best

-Improves performance: Dirt and grime can build up on the undercarriage, which can affect the performance of various components, such as the suspension and exhaust system. Regular cleaning can help improve performance and increase fuel efficiency

-Extends the life of the car: By preventing rust and corrosion, maintaining appearance, and improving performance, regular cleaning of the undercarriage can help extend the life of your car.

The Procedure Of Washing A Car Undercarriage

Wash The Undercarriage Of A Car

STEP 1-  Raise your vehicle on ramps or jack stands for easy access to the undercarriage. This step is not necessary for a truck or SUV with a lifted suspension. Removing the wheels is also an option, which will allow you to get better access; however, it's not mandatory. 

STEP 2- Start washing the undercarriage from the front and slowly work your way back. For a more thorough clean, you can separate the undercarriage into sections and clean each one separately. Hold your pressure washer at a 45-degree angle for the best cleaning results.

STEP 3- Although the majority of the dirt and other impurities will be removed by the pressure washer, some may still be present. The remaining debris should be removed using a brush and specialized soap or cleaning solution. Be sure to clean all areas, including the wheels, suspension, and exhaust system.

STEP 4 - Rinse again: Rinse the undercarriage thoroughly with a high-pressure hose or power washer to remove all soap residue.

STEP 5 - Dry the undercarriage: Use a clean towel or chamois to dry the undercarriage. Make sure to remove all water droplets to prevent water spots.

STEP 6- Apply a metal protectant. Metal protectant offers additional safety and aids in keeping surfaces clean because the undercarriage is frequently exposed to harsh conditions.

What Are The Best Products To Wash The Undercarriage Of Your Car?

Veloci Performance Undercarriage Cleaner

Veloci Performance Undercarriage Cleaner

The Veloci Under Carriage Cleaner is a Global phenomenon! With the lowest clearance on the market you'll be able to get under and clean just about any import or exotic on the market. Best of all with it's 40" + reach, you'll be able to clean those hard to reach places with ease.


  • Rated 1500-5000 PSI
  • High-Quality 3rd Wheel Brass caster for increased mobility and steering
  • 4 - 40° 2.0 size nozzles evenly disperse your PSI across the underside of your vehicle (e.g. if you have a 2,000 PSI pressure washer, 500 PSI would be dispersed among each nozzle)
  • Easily reaches completely across the undercarriage of an average passenger car
  • 3" Low-profile design allows you to clean lowered vehicles with aggressive suspension
  • High quality brass swivel with pivoting joint – does not stiffen up while under pressure

SM Arnold Semi-Gloss Black 12 oz.


SM Arnold Semi-Gloss issuitable for use on most types of metal, wood, and wicker, wheel wells, and undercarriages. It provides a tough, durable finish, inhibits rust, and is heat resistant to 250 degrees Fahrenheit. This product dries to the touch in 5 minutes and is VOC Compliant.

MaxShine Paint Inspection Light

MaxShine Paint Inspection Light

The MaxShine Paint Inspection Light is a versatile tool that is great for undercarriage maintenance. 

The full range in motion hanging clip allows for hands free use. Great for working under the hood or undercarriage of your vehicle. If you have nowhere to hang the light it is also magnetic so it can be attached to anywhere that’s safe on the vehicle.

The light comes with a Micro USB port for charging. Safely and efficiently recharge the power and your light and it will let you know when it's done. Equipped with a control knob that can fully adjust the brightness of the light. It also features a battery life indicator to shows you how much battery life is available

After reading this article, you should be more informed about the importance of maintaining your car’s undercarriage. Follow the steps mentioned above and get your hands the right tools and products, and you’ll have a gle