Transmission Oil Disappearing?
 

so i have a 2008 honda civic. And the tranny oil is "disappearing" ......there is no oil under the car when i move it, and i cannot see where it is going, and i can't see a trail under the car or anything? I have refilled tranny fluid from empty to full 2 times in the last 6 months. Is this normal? and if not does anyone know why this could be happening?

Re: Transmission Oil Disappearing?
 

Look in the radiator and overflow bottle.

Re: Transmission Oil Disappearing?
 

If your car has a transmission cooler( which I don't think it would) or if your transmission cooler hooks in with your radiator..I'd check like the guy posted before me said.. Your radiator/reservoir. Other then that..really if your having to add transmission fluid that often I'd say 98% of the time its cause its leaking somewhere. The other 2% is something like its leaking into the radiator itself. But and don't quote me on this but I wouldn't think Honda civics come with transmission coolers..iv got an 01 civic EX and I don't have one but maybe the new ones do. Good luck man..

Re: Transmission Oil Disappearing?
 

ALL of the automatic transmissions use a heat exchanger of some sort to cool the fluid. Your 01 car has a cooler inside the radiator, and the 8th gen car of the OP has a liquid-liquid heat exchanger (ATF-antifreeze) mounted on the front of the trans.


HTH