2008 Fit transmission fluid leak
 

Had an issue with my transmission about 2 years ago . Took it to dealer and informed me that fluid level very low causing sensor to fail. Had them do the work and everything was fine. Asked where the fluid was leaking from and they could not answer. October 2014 same issue with transmission lagging badly. Took to different dealer found that a hose attached to the transmission was leaking ,also was told that a vent tube was blowing transmission fluid through it . Noticed the other day a stain under my car ,never been there before ,so suspect another transmission leak. Any body have an issue like this before? What can I expect for repairs? My fit has 160 K 's on it