Tracking down "clicking" noise
My 99 Grand Cherokee has had loud "clicking" noise and "binding" in tight turns (especially reverse) for quite a while. I assumed front CV joints failing but had not gotten around to repair yet. Now I am getting some "chirping" occasionally, constant (but quieter) "clicking" even when driving straight line, and occasionally a rumbling with vibration. There is a fair amout of rotational play from the front wheel to the transfer case if one wheel is off the ground and rotate/rocked. Also slight in/out and up/down movement in the front driveshaft at the transfer case.
From what I have read, the problem could be anything in that front drive system. Transfer case, transfer case chain, front drive shaft (CV style), front differential, front axles.
How can I narrow it down (short of just driving till failure!)???