happened to me it was the rubber bushing in the lingage at the tranny. you can see this from the drivers side under the car there is acually two lingages that look the same the part is avalibe from ford for about 5.00 dollars the trick is getting the old one off

blk 1998 svt contour custom paint by taylors house of color sho y pipe and hi flow converter fms 9m wires open element filter and sloted cross drilled roters