How do you measure the wear on a steering box? My GMC feels ok but there has to be a way to accurately measure.
Thanks
There are two simple ways to get an idea of a box wear.
First is to see how much the adjuster is sticking out of the lock nut on the side cover. Originally the adjuster sticks out of the lock nut about 3/16" or so. If it is flush or the adjuster barely has enough threads for the lock nut it is well worn.
Second is to rock the steering wheel back and forth slightly and watch the pitman shaft where it comes out of the box. If you see it move fore and aft there is wear in the bushings or shaft.
