power steering issues

[Gavo]

I have a problem my steering is works ok on left hand turns. On right turns the steering wheel is firm them goes light. When the vehicle is stationary on the grass you turn the wheel left and it turns ok but turning right you can hear the pump bypassing the same noise as it would full lock.

I could just go around doing left turns but that makes roundabouts hard.

[Gavo]

look like steering box was the main problem. But it still feel a bit firmer turning right. But still good going left.