Transmission leaking fluid
 

I brought my 97 Lesabre into the shop wendsday, I had them replace both drivers side and passenger side cv joints and a transmission seal. it drive and shifts great but when i put it in reverse or drive with the wheels cut hard as in backing out of a tight space it still leakes transmission fluil but only when front wheels a cut har other wise highway and intown driving it doesnt leak at all any suggestions???? please help