Help setting up a wheeled vehicle.

Hello everybody! Im new in this program and In this forum, my english is not the best one, but I will try.

I was creating a wheeled vehicle, but I had a problem, in fact I had a lot of problems, I was facing it all, but now im stuck.

After the creation of a vehicle mesh, and the riging with blender, I imported the FBX to UE4 and when I have all the set up for the vehicle, the 4 tires are stuck in the middle of the chasis, pls if someone tell me why is this happening is going to help me a lot! I´m loosing my mind ahahah.

Thanks for reading!!