steering slop

76 K5, TH350, NP203. So I've been chasing steering issues since I bought this K5 a year ago. I've replace all the steering components. Why wont this truck return to center?! Is this just something everyone puts up with? Or am I just overlooking something. What's the main culprit of the...

Thanks in advance to anyone with ideas here... Truck: 1985 k5 Issue: Steering shaft (the short shaft on the steering wheel side of the plastic ball joint) shakes/has excessive play. Background: I took apart the steering column to tighten the torx bolts for the tilt steering mechanism...