CV Joint And Boots

Shift the transmission lever to Neutral.
Raise the vehicle off the ground, and support it with safety stands in the proper locations.
Check the center bearing (A) for excessive play or rattle and rubber for rent. If the center bearing has excessive play or rattle and rubber has rent, replace the propeller shaft assembly.

Courtesy of KIA MOTORS AMERICA, INC.
Check the CV joint for excessive play or rattle. If the CV joint have excessive play or rattle, replace the propeller shaft assembly.