steering problems

I just recently finished putting E brake cables in my '65 Rambler American. after I tested and adjusted them, I went to take it out for a drive, and now when turning the wheel in ither direction, I can hear a very louad groaning, that sort of sounds like a clicking noise.. I checked it all over and all I have found is that it is ither the steering box or possibly the idiler arm.. you can feel the " click " to the groan as it is moving in both spots, actually in the center link also, but not the tie rods.. what could be wrong with this?

old and worn out..... Are the rubber bushings on the idler arm hard and cracked???? That poor old light duty steering box is 40 some years old, the grease probably has about zero lubricity left in it, and I doubt has ever been adjusted... Check a Chilton's manual for the proper adjustment procedure.... What is the condition of the rest of the steering linkages, and how badly hardened, cracked, and deteriorated are all the A-Arm bushings????

Just general fatigue is an issue on any old car.... Nothing last forever.....

The A Arms and trunions are ok. the idiler arm bushings are somewhat in tact ( looks like a rubber sleeve, can't really see the bushing ), I was hoping it was that, because my impact wrench will make light work of it, removing it. all the greasable fittings have been greased and all other steering linkages are in good condition... I have the factory service manual for the car, I checked it and it covers all adjustments.. It does not give an order of adjustments but, I should do the over/center pitman arm adjustment first right?