Help Plz ..suggestions?

I have an 2002 Buick rendezvous and I haven't had no problems with it but all of a sudden it just started making noise den stop driving.it will only reverse... My car always gave full speed n didn't drag so I don't think it the transmission but I don't know....welcoming suggestions.Thanks

thebax20062016-03-01T11:28:13Z

How does the ATF look? If the car won't go forward you'll likely need a tranny.