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Q: Yellow liquid soaked front passenger floor

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I have been smelling an odd smell lately when I drive it. After being parked for 5 hours or so I found that the front passenger floor carpet was soaked in yellow liquid. What could that be?

My car has 107000 miles.
My car has an automatic transmission.

The leaking fluid is coming from the heater core inside the dash. You need to have the heater core replaced. The engine will go low on coolant so make sure to not let the engine get too low on coolant levels and overheat the engine.

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