Raise the vehicle and securely support it on jackstands. Place the transmission in Neutral with the parking brake off. Block the front wheels to prevent the vehicle from rolling. Using a scribe, a hammer and punch, or paint, make marks on the driveshaft and the
Differential flange in line with each other. This is to make sure the driveshaft is reinstalled in the same position to preserve the balance. Remove the bolts securing the flange yoke to the rear differential. Turn the driveshaft as necessary to bring the bolts into the most accessible position. On vehicles with a two-piece driveshaft, remove the center bearing protector and remove the bolts, nuts, and washers from the center support bearing bracket. Lower the rear of the driveshaft. Slide the front of the driveshaft out of the transmission or transfer case or, if equipped with a companion flange, separate the flange at the transfer case. On 2WD models, wrap a plastic bag over the transmission extension housing and hold it in place with a rubber band. This will prevent loss of fluid and protect against contamination while the driveshaft is out. Remove the plastic bag from the transmission or transfer case and wipe the area clean. Inspect the oil seal carefully. Slide the front of the driveshaft into the transmission (2WD models) or bolt the U-joint flange yoke to the companion flange, installing the fasteners finger-tight (4WD models). Raise the center bearing (if equipped) into place and screw the retaining bolts in a few turns. Raise the rear of the driveshaft into position, checking to be sure the marks are in alignment. If not, turn the rear wheels to match the pinion flange and the driveshaft. Tighten all nuts. Remove the jackstands and lower the vehicle.