my autotransmission lines came off at stop sign and now wont move in reverse on 1996 Mercury Sable

I shut off car right away replace line, filled with fluid, and it works perfectly in drive but will not move in reverse. It worked great before,It almost acts like you are holding the brake down or its in two gears. The idle is a little high when it goes in drive but it kicks down when you put in reverse. You can feal it go into gear when you put in reverse. Any Ideas

Asked by for the 1996 Mercury Sable
yoy may have burnt your internal clutch together. when you said in felt like 2 gears at one time this happens when its running with no fluid.
is it something a very mechanical person can fix on own and how????
can you r&r your trans and completely rebuild it
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