Chevrolet 26008858 Joint Kit,Propeller Shaft Universal

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A driveshaft is a tube or pair of tubes that transmits power between the transmission or transfer case on 4WD models and the differential. It is equipped with universal joints at either end and in the center for two-piece driveshafts. On 2WD models, the driveshaft has a splined yoke at the front that allows it to slide back and forth within the transmission, with an oil seal to prevent fluid leakage and dirt entry. For 4WD models, the driveshaft may have a splined yoke or companion flange at the transfer case end, and two-piece driveshafts usually have a slip joint at the front of the rear section. Center bearings support the driveline in two-piece driveshafts, mounted in a rubber cushion on a frame crossmember. The driveshaft requires minimal service, with the universal joints being lubricated for life and replaced if problems arise. It is important to keep the driveshaft clean and inspect it for damage, ensuring the small weights used for balancing are in place and securely attached. Any noise or vibration while driving may indicate a problem with the driveshaft, which can be verified through a road test.

To remove the driveshaft, start by placing it on a bench equipped with a vise. Use a small pair of pliers to remove the snap-rings. Support the cross on a short piece of pipe or a large socket and press it out by closing the vise. Grip the bearing cup with locking pliers and remove it. Inspect the bearing cup housing for wear and damage. If necessary, replace the driveshaft. Make sure the dust seals are properly located on the trunnion. Press a bearing cup into the yoke and use multi-purpose grease to hold the needle rollers in place. Insert the trunnion into the bearing cup and press both cups into place. Use a socket to press them into the yoke and install the snap-rings. Repeat these steps for the remaining bearing cups. For the injected-plastic type, remove the snap-rings on the inner part of each bearing cup. Press out the bearing cups and remove the trunnion. Clean all plastic material from the yoke and reassemble the joint using the same steps as the outer snap-ring joint, but with the snap-rings on the inner part of each bearing cup. If difficulty is encountered during installation, strike the yoke with a hammer to allow the snap-ring groove to move into position.

Reassemble the joint using the same steps as the outer snap-ring joint, but with the snap-rings on the inner part of each bearing cup. If difficulty is encountered during installation, strike the yoke with a hammer to allow the snap-ring groove to move into position.

In 2WD models, the driveshaft has a splined yoke at the front that allows it to slide back and forth within the transmission, with an oil seal to prevent fluid leakage and dirt entry.

Inspect the bearing cup housing for wear and damage. If necessary, replace the driveshaft. Make sure the dust seals are properly located on the trunnion.