Some cars will have a tendency to wander at slow speeds, but not at higher speeds such as over 25 -30 mph. Does it steer ok beyond a certain speed?
Now, after checking all the above and finding ok, it’s time to check the steering box adjustments. With the front tires back on the ground, check for “play in the wheel”, by how much the steering wheel moves left and right while pushing lightly with the tip of one finger against a steering wheel spoke. Should be about 1-1/2 to 2 inches measured at the outside of the steering wheel rim. Don’t try for less then 1-1/2 inches or the steering box can be damaged. It is hoped you have a steering box with low mileage. Second best is a “city” box that had even wear over the full length of the worm and roller from a fair amount of turning, such as city driving does. That even wear can be adjusted for. If the car spent most of it’s life on straight country roads, it will have most of it’s wear in the straight ahead portion. With a “country” box, the straight ahead clearance, verses the turning clearance will be off. I’ve seen some that were so worn in the straight ahead portion that if adjusted p
