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  • Writer's pictureAleko Kavouras

What’s Leaking under my Car?

Updated: Apr 28, 2021

It’s normal to be concerned when you see a puddle or spot of liquid underneath your car. Figuring out what the liquid is and where it’s coming from is a difficult task if you aren’t well versed in car maintenance and repair. Let’s look at some of the common causes of leaks under your car to get a better idea of when your vehicle is in need of a repair.


Also referred to as antifreeze, coolant is the liquid in your vehicle that helps regulate engine temperature. A major coolant leak can cause your engine to overheat, leaving you stranded on the road unable to drive your car. Antifreeze is usually green in color, but can sometimes be orange or pink. Coolant leaks are most often found near the radiator, heater hoses, and engine plugs.


Ever notice dark and shiny stains on driveways or roadways? They’re mostly due to oil leaks, which can cause engine damage if not addressed immediately. If your oil was recently changed, the liquid pooling under your vehicle will be yellowish-brown, but older oil is brown or black in color. Oil can leak from your car when the oil gasket goes bad, the oil filter isn’t attached properly, or when your car has high oil pressure.


During the winter when snow and ice accumulate, it’s much more common to find a puddle of water underneath of your car. Temperatures fluctuate throughout the season and there is a natural cycle of freezing and thawing that occurs in nature. A puddle of water underneath your car is nothing to be concerned about after a recent snowfall or rainstorm. If it has been relatively dry around the time you notice the leak, however, it might be time to take your vehicle into the shop for a general inspection.

Among the other liquids that can leak from your vehicle are gasoline, brake fluid, transmission fluid, and windshield wiper fluid. Playing it safe and taking your car to the mechanic as soon as you notice a leak can make a big difference in prolonging the life of your vehicle.

Looking for a professional and reliable Maryland auto mechanic? The experienced technicians at Hillmuth Auto Care have the skills required to diagnose and treat any issue your vehicle has, from the smallest leaks to serious engine issues. Contact us to set up regular maintenance, or to schedule an appointment for a leak repair today.

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