Automatic transmission swap rolling back on hills

1996IntegraSE

New Member
I took my car in for an axle repair and found out my transmission was going bad. I bought a used transmission and swapped in the used transmission for the original transmission that was going bad. the used transmission that i bought came with a 97 civic torque converter. When i test drove my car afterwards, my car sounds like it's being forced to drive. when i'm stopped at a stop sign on a hill my car will roll back. Also once i get it into 3rd gear i hear like this nasty sounding of what i think is metal plates rubbing wrong. I'm uncertain of what could be and what actually is wrong. Could it just be the converter? a bad used transmission? The Original transmission is an atumatic transmission from a 1996 Integra SE Sedan. The Used transmission is an automatic from a 1996 LS Coupe. I wasn't given any detailed information about the used transmission. I'm foolish and seek wisdom. What are my best possible options?
 
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