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Can the engine compartment be flushed with water? Seeing is believing.
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Can the engine compartment be flushed with water? Seeing is believing.

Can the engine compartment be flushed with water? Seeing is believing.

April 24, 2026

Car enthusiasts always ask if the engine compartment can be rinsed with water? I asked the master this question, and the master's answer was: pure fuel cars can definitely be washed


But why do you need to rinse the engine compartment with water? Normal engine compartments can be dirty, but as long as they are not particularly dirty, they can be blown with high-pressure air.


Moreover, dirty engine compartment does not affect anything, does not affect engine heat dissipation, and does not affect normal engine operation. Flushing with high-pressure water will only increase the risk.


Nowadays, new energy vehicles are becoming more and more popular, and it goes without saying that pure electric models prohibit washing the engine compartment with water. The engine compartment of hybrid models should not be washed with water as it carries a high risk and contains high-pressure components.


Whether it is a gasoline car, a hybrid car, or a pure electric car, there is a radiator inside the front bumper. This radiator should be kept clean and preferably cleaned by professionals. Self cleaning is generally difficult and carries risks. This needs to be noted.

Now let's take a look at the situation of the master cleaning the engine compartment of a pure fuel car through a set of pictures, as some car enthusiasts have never seen it before.


This is a Volkswagen Lavida that has just undergone engine maintenance. You can see that the engine compartment is particularly dirty. At this time, the engine is in operation and the driver is washing it with high-pressure water.

Due to high engine temperature, water vapor is emitted upon contact with water.

The master said that such a cabin can be rinsed with water, as long as it is not constantly flushed with the plug, there will be no problem.

After rinsing with high-pressure water, the master blows with high-pressure air to dry the water near key circuits, plugs, etc.

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