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What Causes Water Leakage Under the Front of the Car?

3 Answers
Poppy
09/07/25 4:17am
Water leakage under the front of the car may be caused by factors such as air conditioning water discharge. The specific reasons for water leakage under the front of the car are analyzed as follows: 1. Air conditioning water: When using the car's air conditioning, condensation water forms and flows down through the vehicle's exhaust pipe, leading to water leakage under the chassis. 2. Radiator leakage: The radiator is located next to the car's engine. If the connections of the radiator become loose, it can also cause water leakage, and the leaked water will accumulate under the chassis. 3. Scraping-induced leakage: While driving, accidental scraping of the chassis can cause water leakage. Therefore, it is important to take care of the vehicle while driving.
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StMicah
09/19/25 3:42am
When I encounter water leakage at the front of the car, the most common cause I find is the drainage of air conditioning condensate. When the air conditioning is turned on in hot weather, the evaporator condenses moisture into water, which drains out from under the car. This water is colorless and odorless, which is completely normal. Another factor could be a leak in the cooling system, such as a cracked radiator or connecting pipe, leaking green or pink antifreeze, which has a sweet smell and is easy to identify; ignoring it may lead to engine overheating or even a blown head gasket. A leak in the windshield washer fluid tank can also result in blue liquid flowing out. Additionally, residual water from car washing or accumulated water after rain may create a false impression. The inspection method is quite simple: after parking, observe the location of the liquid—if it's just clear water directly under the front of the car, it's most likely from the air conditioning and nothing to worry about; if it's colored or has an unusual odor, you should immediately visit a repair shop. For prevention, it's recommended to regularly maintain the cooling system hoses for aging and change the antifreeze once a year for peace of mind.
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AaronLee
11/02/25 4:04am
Seeing water leaking from the front of the car, my first thought is safety risks: AC drainage is harmless, but if coolant leakage is ignored, the engine temperature could soar to dangerous levels, affecting driving safety, especially during long trips where breakdowns are more likely. I recommend immediate action—check the fluid type: clear water is usually fine, while green or pink antifreeze indicates a cooling system failure, requiring immediate stop and repair to prevent engine damage. Windshield washer fluid leakage may similarly appear as blue water but is less urgent. Other possibilities like oil leaks are rare but distinctly different with their dark color. In any case, don’t underestimate small issues; make it a habit to glance under the car when parked in the garage to spot problems early. For serious leaks, avoid driving and contact professional assistance. Regular vehicle inspections are key—ensure sufficient coolant levels to prevent accidents.
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