2000 ford winstar

i have a 2000 ford winstar was sitting at a red light and transmission started roaring and van would not move can antone tell me if it is the transission or a simple thing to fix

Add pictures here
<% if( /^image/.test(type) ){ %>
<% } %>
Add image file

Motorsforum.com is a website by car enthusiasts for car enthusiasts. It is not affiliated with any of the car or spare part manufacturers or car dealers discussed here. All logos and trade names are the property of their respective owners.