Steering issue

[240sxRAOR]

Recently my car has been making a nasty krunk! noise when I turn the wheel past half way and its alot noisier when it turns to the right. It doesn't last long but when you turn the wheel half way it krunks and when you turn it back it krunks and the steering wheel nudges when this happens. Do any of you guys have any idea about what might be wrong?

[nissanconvert]

Jack up the front end and check the suspension, steering and rack. Loose bolts/broken tubes may cause this. Steering knucke might be loose? Possibly a missing tooth on the rack?(no way to check this really but just a thought)