Hinge Joint 2D isn't fixated to it point !?

Hi guys;

I connected the wheels to the car by two hinge Joints 2d, but they go away while hinge joints motors are running(picture)!
Please help me.
Thank you

P.S: if i make some mistakes, correct me please. I’ m not english.

Nobody has this problem…?
Help me please.

Make sure you use 2 different layers.
Read this…
http://forum.unity3d.com/threads/216665-AddTorque-to-RigidBody2D-attached-by-SliderJoint2D?p=1457963&viewfull=1#post1457963

Thank you!
I’ll try.

Something like this where you have your body on one layer and your wheels on another and they do not collide.

1467128--80400--$layer_collisions.png