Identifying Car Leaks by Fluid Color

Spotting a puddle under your parked car can be alarming. Determining the source of the leak quickly is important to prevent further damage. The color of the puddle provides clues as to which fluid is leaking.

Red fluid is likely power steering fluid or transmission fluid. Power steering fluid helps the system operate smoothly when turning the wheel. A leak over 3 inches wide requires prompt mechanic attention.

Orange fluid indicates engine coolant or old transmission fluid. Coolant leaks can lead to overheating. Have the cooling system inspected immediately.

Yellow, green or pink fluid is fresh engine coolant. Coolant carries heat away from the engine and needs to be refilled if low.

Light yellow fluid is likely brake fluid. Darker brown indicates old brake fluid. Do not drive the vehicle as brake failure can occur.

Blue fluid is window washer fluid. This is the lowest concern but refills will be needed.

Clear fluid could be water or gasoline. Gasoline leaks are hazardous and need immediate repair.

Brown fluid is likely engine oil. Oil leaks can lead to low pressure and engine damage if left unattended.

Prioritize repairs based on the severity of the leak and potential safety hazards. Budgeting for preventative maintenance is wise to avoid costly repairs down the road. Consider comparing car insurance rates as another way to save on auto expenses. Addressing leaks promptly prevents bigger problems and keeps your car running safely.

DynoCar is the best place to find information on all things cars, whether it be a car buying guide or how to change your oil. We’ve made finding and staying in touch with car information easy and fast.

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Information contained herein is for informational purposes only, and that you should consult with a qualified mechanic or other professional to verify the accuracy of any information. DynoCar.org shall not be liable for any informational error or for any action taken in reliance on information contained herein.