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That isn't just a matter of adjusting that screw.. Here is the procedure that GM Saginaw Division recommends to adjust the steering box.Disconnect the pitman arm from the sector shaft, completely back off the sector shaft adjusting screw on the sector shaft cover.Center steering on the "high point" then attach an inch lb torque wrench to the steering wheel shaft, the torque required to keep the shaft moving for one complete turn should be 1/2 - 2 in lbs.If the torque is not within these limits, loosen the thrust bearing locknut or tighten valve sleeve adjuster plug to bring the preload within limits.Tighten the thrust bearing locknut and recheck preload.Slowly rotate the steering shaft several times, then center the steering on high point.Now, turn the sector shaft adjusting screw until a steering shaft torque of 3 - 6 in lbs more is required to move the worm through the center point.Tighten the sector shaft locknut to 35 ft lbs and recheck the sector mesh adjustment.Total steering gear preload should be 14 in lbs or less.Install the pitman arm and replace back in vehicle.NOTE: To try and adjust the sector shaft screw without doing the preceding will DAMAGE the steering gear.Most of the play is not in the sector shaft adjustment, it is the spool valve area.
What did you find with the caliper? Many people that replace their own pads don't lubricate the caliper slide pins. This can result in the outside pad holding pressure against the rotor, wearing that pad prematurely and usually warping the rotor. Ford pickups are famous for this.
Yes take pictures model it like I did the TBI rebuild if you can listing the tools you used in each step and every step you did. (keep in mind this will HUGELY lengthen your rebuild time, it took me about 2 hours for that TBI doc). Would love to put this in the tech section.