Yes, you have to have caster or the car would be very difficult to drive. I had a VW bug with a worm gear steering box that was going bad. It would almost keep

Yes, you have to have caster or the car would be very difficult to drive. I had a VW bug with a worm gear steering box that was going bad. It would almost keep the wheels wherever you put them and it was scary to drive. Think about how you let the steering wheel slip as the wheels return to straight when you turn onto a cross road, you had to return the wheels to straight yourself.