How to Determine if a Car Has Taken in Water
2 Answers
First, check if the engine cylinders have taken in water, as this can cause the connecting rods to bend and damage the engine. Water in the engine oil will lead to oil deterioration, loss of lubrication, and excessive engine wear. Water in the transmission will cause the gear oil to deteriorate, resulting in gear wear. If water enters the exhaust pipe, it should be drained as soon as possible to prevent impurities in the water from clogging the catalytic converter or damaging the oxygen sensor.
I've been driving for over a decade and have encountered water ingress issues multiple times. The detection method is quite simple: First, smell the air when opening the door – a musty or damp odor inside the car often indicates water intrusion. Then check how much water has accumulated under the floor mats, especially after rain; lifting them may reveal water stains and rust spots. Inspect the engine oil by pulling out the dipstick – if the oil appears milky or cloudy, it means water has entered the oil system, which can damage the engine. After starting the car, listen for sounds; hissing noises or malfunctioning electrical components, such as non-responsive windows or flickering lights, suggest possible water corrosion in the circuits. I recommend developing a habit of parking on higher ground during heavy rains and regularly checking these points to avoid costly repairs. Water-induced short circuits in electrical boards are a major hazard; if you can't handle it yourself, seek professional inspection and repair.
