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Will the Engine Get Water Ingress If the Air Filter Doesn't?

1 Answers

AlexaAnn

07/29/25 8:05pm

If the air filter gets wet, the engine won't necessarily get water ingress because they are located in different parts of the vehicle. Reasons why the engine doesn't get water ingress: The air filter is positioned in the upper part of the engine compartment, primarily filtering air for the external air conditioning circulation. In heavy rain, raindrops may be directly sucked in, causing the filter to get wet, but this doesn't indicate water ingress in the engine. Engine water ingress is usually determined not by checking the engine bay but by observing whether the main exhaust pipe has water ingress. Therefore, if a car is submerged or stalls while driving through water, it should not be restarted to prevent water from entering the engine through the exhaust pipe. Solution for a wet air filter: Stop the engine; remove all spark plugs; take off the air cleaner; restart the engine to expel water through the spark plug holes. Method for replacing the air filter: First, loosen the filter lock and remove the fixing nut. Then, after removing the cover, the air filter will be visible. If there is dirt inside or outside the filter housing, clean it with a cloth first. Then, install the new filter. Note: Do not touch the paper part of the filter with your hands, and avoid contaminating the filter with oil. Finally, reassemble the components in the reverse order of disassembly.

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