I don't know what to say. Are your front wheels actually in the right place now from your earlier post:
https://www.lfs.net/forum/post/1972031#post1972031

I can't see the front wheels in this picture. It is possible that the auto collision box doesn't work properly, if other things are in the wrong position.

Quote from Scawen :

I don't know what to say. Are your front wheels actually in the right place now from your earlier post:
https://www.lfs.net/forum/post/1972031#post1972031

I can't see the front wheels in this picture. It is possible that the auto collision box doesn't work properly, if other things are in the wrong position.

front wheels has no problem now

If you attach the veh file I can have a look to see why the collision box is not created correctly.