How to Safely Clean and Maintain Car Engine Compartments

Instructions on How to Clean and Maintain Oto Engine Compartment
Latest update date: February 08, 05

The engine compartment of a car is where the most important parts are located that play an important role in the performance and durability of the vehicle. To ensure smooth operation and prolong the life of the engine, cleaning and maintaining the engine compartment is an indispensable task.

According to SAE, during operation, car engines can reach temperatures of up to 250°C (482°F). Excessive heat can reduce engine performance, increase the risk of fire and damage to machine parts.

Cleaning and maintaining the car engine compartment is not only necessary to maintain the performance and durability of the car, but also a way to care for and protect the engine, the heart of the car. This helps ensure that your vehicle operates stably and safely on every road.

So when cleaning, car engine compartment maintenance, What do you need to pay attention to? Let's Thanh Phong Auto Answer this question in the article below.

Why Should You Clean and Maintain the Car Engine Compartment?

Although the engine compartment of a car is shielded, after a long time of use, there will be many factors that affect them. Such as dirt, grease ... makes the engine hot, wear oil and affect the life of the electrical system, pipes.

Cleaning and maintaining the car engine compartment will help increase engine life, ensuring the safety of everyone on the trip. Besides, it also reduces repair costs in case the vehicle engine is seriously damaged, affecting the electrical system and helps the vehicle operate smoothly.

Cleaning and Maintaining Car Engine Compartments Helps them Last Longer
Cleaning and Maintaining Car Engine Compartments Helps them Last Longer

How to Clean - Maintain the Engine Compartment of a Car

1. Prepare tools

Before starting to clean the engine, you should prepare the following essential items:

  • Protective gear (gloves, eyeglasses, mask, clothing if any).
  • Brush, brush, soft brush, ... 
  • Types of cleaning solutions.
  • Fountain.
  • Towel is soft, clean, and dry.
  • Ball bags, tape.
  • Chemical solutions for machine conditioning or polishing oil.

2. Remove dirt, shield parts in engine compartment

  • Remove debris from the engine compartment

After opening the capo, if the engine is still hot, let it sit for 15-20 minutes for the engine to cool and radiate all heat. This prevents you from getting burned and equipment such as valves, rubber pipes, belts ... are not changed suddenly to avoid any damage.

Next, remove debris, leaves, twigs, and dirt from the engine compartment. Using a paint brush or brush, wind gun to do this will help this process go faster and simpler.

Remove Debris In The Engine Compartment Using Air Intake
Remove Debris In The Engine Compartment Using Air Intake
  • Wrapping and shielding electronic devices

In the engine compartment there are many electrical machines and equipment, if spraying water directly to clean it, it will cause damage, fire and explosion. To prevent this from happening, remove the battery negative pole outwards to avoid damage. 

Next should use plastic bags, tape to wrap and reinforce devices such as ignition, carburetor, high-voltage wire, black box, electric coil, ... For the air intake, the generator should Use a clean towel or plastic bag to cover to avoid water ingress.

Carrying out shielding of electronic devices
Carrying out shielding of electronic devices
  • Let the engine start for a few minutes

In case the vehicle has not been operated, in a cold state, it should be started for about 5 minutes. This step will help the engine warm up, removing oil also becomes easier.

3. Proceed to clean the engine

  • Use all-purpose cleaning solution on the engine compartment

Should choose a cleaning solution that is suitable for the vehicle engine, environmentally friendly and does not affect health when using. An acid degreaser can be selected to spray evenly onto the engine compartment.

After spraying the stain cleaning solution, the grease will be softened and dissolved, easy to remove. Note that when performing this step, you should wear full protective equipment to ensure your own safety.

Thoroughly Clean the Car Engine Compartment
Thoroughly Clean the Car Engine Compartment

* Note: While using cleaning agents, avoid sticking to the car paint, because they can cause the paint to be damaged and peeled.

  • Let detergent soak on surface of parts

After spraying cleaning solution on parts, keep them for about 3-5 minutes to ensure solutions penetrate deeply and remove stains.

  • Use a brush to scrub the stain

A toothbrush can be used for small, hard-to-clean parts. For stubborn stains, use a stiff brush to scrub and remove stains more easily.

Use a Brush to Scrub Small, Stubborn Stains
Use a Brush to Scrub Small, Stubborn Stains
  • Wash the engine with regular water tap

Use a regular faucet to lightly spray, wash away dirt, oil. After the interior of the capo has been cleaned, use a strong water hose to thoroughly remove the dirt. Avoid spraying directly on the electrical connections, the air inlet.

Rinse the Engine with Regular Water
Rinse the Engine with Regular Water
  • Spray and dry with a soft cloth

Next, spray and dry the components in the machine compartment with a soft cloth, well absorbent and remove the glossy bags previously wrapped.

  • Polish or spray machine conditioner

The final step is polishing or spraying with a chemical conditioner to increase durability and create a barrier to prevent parts from drying, cracking and discoloring.

Refer to the video of Thanh Phong Auto's cleaning and maintenance service:

Address Providing Reputable Car Engine Compartment Cleaning and Maintenance Services?

If your car's engine shows signs of abnormality, such as the engine heating up quickly, consuming engine oil or working unstable, the engine power decreases... At this point, it's time for you to take your car to your car. Going to a center that specializes in providing cleaning and maintenance services for prestigious car engine compartments is very necessary.

With many years in the industry, Thanh Phong Auto We are proud to be trusted by thousands of customers when there is a need for car maintenance and repair.

How to Clean and Maintain Car Engine Compartments Safely and Securely Thanh Phong Auto Hcm 2024 Garage
Professional, Cheap Car Engine Compartment Repair/Maintenance Garage

Coming to our engine compartment cleaning/maintenance service, you are committed to:

  • Professional workflow by experienced technical team.
  • Use specialized cleaning tools and solutions, absolutely safe for pet cars.
  • Dedicated advice, helping customers understand the situation of the car.
  • Transparent quotes.

Possessing quality resources and a large garage system, Thanh Phong Auto confidently bring the best services, help your car durable, clean and stable operation.

Most Frequently Asked Questions

1. How often should the car engine compartment be cleaned and maintained?

Depending on usage and environmental conditions, it is usually recommended to clean and maintain the car engine compartment every 10.000 - 15.000 km or every 6 months. For vehicles that frequently travel in dusty and wet conditions, the maintenance cycle should be shortened to 5.000 - 7.000 km. Watch now car engine compartment maintenance process standard at a reputable garage in HCM.

2. Is it necessary to disassemble parts in the engine compartment when cleaning?

Usually, it is enough to carefully shield sensitive electronics in the engine compartment before cleaning. Do not disassemble parts unless necessary to avoid damage or incorrect assembly, affecting engine operation.

3. What should the water pressure be when washing the engine compartment?

When cleaning the engine compartment, you should use a low-pressure water hose of about 1.500 - 2.000 psi, equivalent to 100 - 140 bar. Avoid using water pressure that is too high above 2.500 psi because it can damage plastic and rubber parts.

4. How to protect the cos terminals and wires when cleaning the engine compartment?

Before cleaning, use a plastic bag to cover the cos terminals and electrical wire connectors and use tape to secure them securely. You can completely remove the negative battery post to ensure safety. After cleaning, dry the details thoroughly before removing the protective layer.

5. Which solution is safe and effective for cleaning the engine compartment?

You should use specialized cleaning solutions for car engine compartments that are safe for metal, rubber, and plastic such as Sonax, Wurth, Liqui Moly... Do not use soap or dishwashing liquid because they can leaves residue, damaging the protective layer of the details.

6. What should you keep in mind when using machine conditioning and anti-rust chemicals?

You should only use machine conditioning and anti-rust chemicals of the correct type and clear origin. Read the instructions for use carefully and wear gloves and a mask when spraying on details. Wipe off excess chemical and let dry completely before closing the hood.

7. Can cleaning the engine compartment be done at home?

Cleaning the engine compartment requires care, meticulousness and certain knowledge about engine structure. If you do it yourself at home, you need to prepare all the tools and carefully cover the electrical equipment. However, it is best to take your car to a professional garage to ensure quality and safety.

8. When do you need to take your car to the garage to clean and maintain the engine compartment?

In addition to regular maintenance, when the engine shows unusual signs such as abnormal heat, oil loss, leaks, weak power, difficult starting, strange noises... you should take the car to the garage for inspection and cleaning. timely cleaning and maintenance to avoid serious damage.

9. How long does it take to clean and maintain a car's engine compartment?

Normally, cleaning and maintaining a car's engine compartment takes about 2-3 hours depending on the level of dirt and the steps to be performed. If there are damages that need to be repaired or replaced, the time may be extended.

10. How much does it cost to clean and maintain a car engine compartment?

The cost of cleaning and maintaining a car's engine compartment ranges from 500.000 VND - 1.500.000 VND depending on the vehicle type and service package. Normally, a basic cleaning and maintenance package includes main items such as: cleaning, checking details, replacing air filters, oil filters, fuel filters, maintaining the ignition system, cleaning the carburetor. /injector…

11. What are common car engine errors due to lack of regular maintenance?

If you do not clean and maintain your car's engine compartment periodically, some common errors can include:

  • The engine overheats because the cooling system is clogged with dirt and debris.
  • Oil leaks are caused by hardened, cracked pipes, gaskets, and seals.
  • Poor ignition system, causing the engine to run weakly and waste fuel.
  • The carburetor/fuel injection system is dirty, causing engine shutdown and difficulty starting.
  • The air filter, oil filter, and gasoline filter are clogged, causing the engine to lack clean air, lubricating oil, and fuel.

Therefore, periodic maintenance is very important to promptly detect and fix errors, ensure stable engine operation, and prolong life.

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