The headlight adjustment for the 1989 F150 2WD is below the actual headlight. You will need to pull the tab at the top of the headlight up to release the headlight and then you can adjust the angle of the light with the long bolt below the housing.
A 2WD Tahoe does not have torsion adjustment bolts, it uses front coil springs and not torsion bars.
5 ON 5.5
yes, it will fit
watch video on youtube.
Should be on the side or rear of the oil pan
2wd would have 5X5
ford speed sensor are usually in the differential housing.
0.052-0.056 inch (1.32-1.42mm)