2002 GMC Sierra

Well there are a few possibilities, most common on the tick noise is loose exhaust flanges from y pipe to manifold. The flanges rust and then there is not enough clamping force to hold y pipe to manifold and you will get a exhasut tick cold and it goes away when engine warms and metal expands. The noise in the steering column is usually cause by a bad intermediate shaft in the steering column, (known problem) the running rough could be as simple as needing a tune up