Car Radiator Drain Plug Leaking

Use a hose to spray the radiator and surrounding components so you can know for sure that any new coolant you see in the engine bay after you start the car has leaked since you washed it.

Car radiator drain plug leaking.

If you suspect there is a leak and you are able to physically inspect the drain cock check to see if there is leaking coolant around the radiator drain cock. Because the automatic cooler lines that goes into your radiator is a separate system inside your radiator. This is a short tutorial video on how to replace your radiator drainage plug. It will be much easier to locate the leak in your radiator after it s clean of old grime and coolant.

The plug is leaking even though it is fully closed. Clear and thin with the distinct pungent odor of gasoline. Wash the radiator with a hose. After flushing the coolant the coolant is now leaking from the radiator drain plug.

Check the fuel hoses and lines fuel filter connections and gas tank. While replacing my water pump i removed my radiator and had it flushed. Common causes are the oil pan drain plug oil filter or gasket or oil spilled on the frame while replacing the oil filter. I bought a new one at o reilly s but it leaks the same as my old one.

I asked the dealership for a replacement part however it appears that the petcock is attached to the radiator and can not be replaced. Never drive a vehicle that has any type of fuel leak. And if this auto trans cooler section of your radiator is leaking then you have issues with the radiator. There should be no fluid in this area if the drain cock is working properly.

In many cases the radiator drain cock is plastic and can fail due to heat and age over time. Now when i put it all back together the plastic drain plug in the radiator leaks.