netlace

My husband added some coolant to our 94 es300 with 267k miles and now it sounds as it has fluid rolling around the dash. He added it to the overfill container. After reading the web I parked the nose just a little higher and took the rad cap off and let it gurgle and finally it quit. I let it run with heat on high. Added more fluid. It is still doing it. Can someone help me with this?

GEORGE_JET

So has the coolant level stabilixed? Or are you still losing coolant? If it is still losing coolant, I assume that it is not leaking on the ground, is there any wet spots on the carpet (indicating the heater is leaking). Otherwise it might be a headgasket. Adding coolant to the overflow is not a problem/ ie would not cause this

llcoolpass

I dont know what you're talking about lady.

Adding coolant should not make a sound like water in the dash. Only a poorly drianing HvaC box would do that, or, maybe water buildup from poorly sealed windshied [say from rusty pinchweld, or just plane old worn out silicone]