Let me walk you step by step through what happened to my 03 Honda Civic Lx.

First I replaced the Transmission myself first time. Not realizing the Axle boot was torn. So one day, I was driving down the highway and the axle poped out from the transmission then would not start after that and I could smell this plastic smell like something burnt I can't remember if the smell was inside the car or under the hood but the motor does'nt want to crank over and it has power. I took it to a mechanic and they told me that the timing belt lost its bottom teeth but not the case no teeth were missing and motor was still in time when I checked it myself. I was wonder if you could help me and might know what it might be?