What is the purpose of cleaning the engine?

[Daniella]

The purpose of cleaning the engine is: 1. To prevent oil mixing and remove sludge and oil films formed by engine oil; 2. To reduce corrosion of engine wiring or rubber hoses; 3. To unclog blocked oil passages; 4. To improve engine efficiency, reduce noise and fuel consumption; 5. To clean the engine lubrication system; 6. To prevent the engine from burning oil. The method for cleaning the engine is: 1. Open the fuel tank cap, remove the filter screen, and use a hose to extract the fuel from the tank, then add ethanol gasoline and replace it with a cleaning agent; 2. Disconnect the engine's inlet and return fuel pipes; 3. Add the fuel to the storage tank of the no-disassembly cleaning agent; 4. Adjust the pressure; 5. After cleaning the impurities at the bottom of the fuel tank, drain the gasoline from the tank.

[MaryDella]

As a long-term driver, I believe that cleaning the engine first removes accumulated oil and dust, which is particularly important in busy urban environments where pollutants easily adhere to surfaces and cause component corrosion. If not cleaned, the engine's cooling efficiency decreases, and overheating can lead to performance failures, even increasing the risk of fire—just a small oil drip touching a hot part can cause trouble. After cleaning, I can easily check for leaks in areas like oil lines or coolant pipes, identifying issues early to save on major repair costs. Doing it myself is also simple: spray automotive-specific cleaner, wipe it off, and avoid sensors to prevent short circuits. After each cleaning, the car runs quieter and smoother, especially during long trips without worries. I think cleaning it every six months is a worthwhile investment—spending a little time to keep the car safe and durable.

[VanChristopher]

In my car repair experience, cleaning the engine serves to maintain surface cleanliness, remove stubborn grease and carbon buildup that can obstruct radiator fins and cause overheating damage like belt melting. Gently treating with a soft brush and neutral detergent improves cooling airflow, preventing high temperatures from reducing fuel efficiency. Post-cleaning, components like ignition wires and battery terminals become easier to inspect, allowing quick fixes for cracks or looseness to extend overall lifespan by five years. It also reduces odor and contamination risks, making daily driving more comfortable and safer. Recommended for owners to perform during maintenance cycles—don't let small issues escalate.

[Philip]

As a young new car owner, cleaning the engine is a simple way for me to solve dust buildup and keep the engine running better. Removing those greasy stains helps with heat dissipation and prevents stalling, especially during summer traffic jams, making life much easier. I can do it myself by buying a bottle of spray cleaner and spending fifteen minutes wiping key areas, avoiding high-pressure water that could damage electrical circuits. After cleaning, a quick visual check reveals any oil leaks or corrosion, allowing early treatment without big expenses. Keeping it clean also boosts the car's resale value, making it feel like a great deal. Regular maintenance like this is low-cost, highly effective, and ensures worry-free driving.