what is the average cost of replacing a main transmition seal on 1999 Ford Windstar

the transmition oil pours right to the ground keeping the transmition bone dry. so when you drive it the transmition slips.

1 answer
FRT OR REAR SEAL IT MAKES A BIG DIFF. REAR SEAL IS APPROX 200.00 WITH BUSHING AND FRT SEAL IS APPROX 800.00