Chevrolet 25792320 Shaft Assembly, Propeller

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To remove the rear driveshaft, lower the rear of the driveshaft and slide the front out of the transmission or transfer case. Be sure to wrap a plastic bag over the housing to prevent fluid loss and contamination.

A driveshaft is a tube that transmits power between the transmission or transfer case and the differential. Universal joints are located at either end of the rear driveshaft and at the front end of the front driveshaft. The rear driveshaft has a splined yoke at the front that slips into the extension housing of the transmission or transfer case, allowing it to slide back and forth during vehicle operation. An oil seal prevents leakage at this point. The driveshaft assembly requires little service, but the universal joints may need to be replaced if problems develop. The driveshaft should be kept clean and inspected for damage. Problems with the driveshaft are usually indicated by noise or vibration while driving. During inspection, the driveshaft should be visually checked for dents or cracks, and for oil leakage at the front and rear. The universal joints should be checked for proper operation without binding, noise, or looseness. The driveshaft mounting bolts should also be checked. On 4WD models, the front driveshaft should be checked as well, including for leakage around the sleeve yoke. The joints of the front driveaxles should be checked for looseness, and for grease or oil leakage from the rubber boots and axle flanges.

Remove the splash shield.

Make sure the retaining ring is in position on the end of the intermediate shaft.

Before installing the rear driveshaft, you should remove the plastic bag, clean the area, and slide the front of the driveshaft back into the transmission or transfer case.

During inspection, the driveshaft should be visually checked for dents or cracks, and for oil leakage at the front and rear. The universal joints should be checked for proper operation without binding, noise, or looseness. The driveshaft mounting bolts should also be checked.