Front end knock

[michael lang]

Larry is on the right track, just because something appears to be tight on a lift doesn't neccessarily mean that it is okay, for example, when load is placed on the front end and the vehicle is turning at slow speeds when the thumping noise occurs, the noise could be coming from a lower ball joint or tie rod end that has too much play. Could you please give a little more information as to the symptoms, speed, sharpness of turn, pothole in the intersection when turning...? I'm sure someone on the forum could steer you in the right direction (no pun intended!).