When vehicle is stationary and turning wheel a juddering and jerking starts i have bled the steering fluid for air when driving slow it happens when turning also when going round corners it sticks and i have to pull it back every thing seems ok undernieth is it the pas box or pas pump how do i find out which bit is at fault ...it still happens when wheels are off floor

regards lee

Cars & Trucks - Land Rover - Defender - 1994 Land Rover Defender