The transfer case input shaft attaches to the output of the transmission and the bearing retains and centers the input shaft.
Transfer case input shaft bearing importanceThe transfer case input shaft bearing is vital because it supports and centers the input shaft and lets it rotate freely. The power is transmitted to the input shaft from the transmission and the transfer case, then it sends the power to the rear wheels or all four wheels. The bearing lets the input shaft turn while securing it in place. The bearing must remain in good condition to prevent it from loosening up or breaking.
Common problems with a faulty transfer case input shaft bearingA faulty transfer case input shaft can lead to difficulty shifting into gears, grinding, or vulnerability to dirt and debris.