What year of car? On my '73, there is a nut on top of the steering box with a bolt that takes an allen wrench. Loosen the nut and "snug" the bolt with the wrench then tighten the nut to hold. Sorry I don't have any actual torque specs, but I have done this on a couple of '70s chevys and it works good to clean up the slop. Just don't go cranking down too tight or it will start eating the gear from the tension.