Does driving through deep water without stalling affect the car?

2 Answers
Sienna
07/25/25 8:08am
Driving through water without stalling does not harm the car. Relevant information is as follows: 1. Note: After the incident, it is essential to conduct a comprehensive inspection of the vehicle, including electrical components, air filters, and the chassis. If necessary, completely replace the engine oil and transmission fluid, as the engine oil pan and transmission have some air holes, making it difficult to determine if water has entered. If water has mixed in, it can easily deteriorate. 2. Introduction: After driving through water, the vehicle's braking performance significantly decreases because the brake drums are soaked in water, reducing the friction coefficient. Therefore, after driving through water, you should not accelerate quickly. Instead, drive in a low gear for a while and intentionally lightly apply the brakes several times to use the heat generated by braking to quickly remove the water.
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ArthurLee
08/10/25 6:50pm
As someone with extensive experience in car repairs, I've seen many cases where vehicles drove through deep water without stalling, but the impact is actually quite significant. After water enters the engine compartment, droplets can splash onto electronic sensors or wiring harnesses, causing short circuits or rust. For example, residual moisture in the intake hose can lead to mold growth in the air filter, affecting airflow. Waterlogged chassis can cause bearings and brake calipers to accumulate water, accelerating wear and increasing unusual noises. Damp battery terminals may oxidize, making it harder to start the engine. The critical issue is that water might seep into the computer modules, leading to costly and time-consuming repairs. It's advisable to open the hood after driving through water to check for signs of moisture in the air filter or immediately take the car to a professional shop for chassis rinsing to prevent long-term corrosion and potential failures. Developing a habit of regular maintenance is even better.
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