I had a drive shaft disconnect on a GMC Jimmy about 10 years ago. I live in an area where they put salt on the roads in the wintertime. I was not diligent in keeping the disconnect clean and lubricated.
It turned out to be a problem for me. I traded for a GMC Jimmy with electronic disconnect of the transfer case to solve the problem.
I highly recommend keeping it clean and lubricated if you get one.
2004 Winnebago Journey 39W - 2012 Buick Enclave
Present @home Home: Oshkosh, WI
We call our rig "Ernie the Journey"