i had my front end on blocks and i was moving the wheel like a jerk too and same thing so i bleed the powersteering system nd it just went away shortly after

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2000 xlt 3.0l v6 4x4 ext cab
Bedbox , backrack, Dual functional cb antennas
2 in lift
Yokahoma geo-lander A/Ts 31"
Flowmaster super 44 side dumped
Rancho 5100's