I have a 2001 ford Expore 4x4 putting in a new motor. on 2001 Ford Explorer

It has a 5 speed auto trans changed front torqe convertor seel. And the convertor will not go in all the way. Ive tried everything i can think of Ive changed a lot of motors and transmissions never a problem with the torqe convertor not going back all the way.what am i not doing ?

Asked by for the 2001 Ford Explorer
are you spinning converter as youj apply pressure should go in three clicks