OEM GMC Yukon Universal Joint

GMC Yukon Universal Joint Parts and Q&A

• Universal Joints
  23104840
  Q: What tools are required to service and repair the universal joint with an external snap ring on GMC Yukon?

  A:

  You need U-Joint Bearing Separator J. 9522-3 and U-Joint Bearing Spacer Remover J 9522-5 to work with external snap ring universal joints. Set the propeller shaft on a press table horizontally before starting any work to shield its tubing from harm. Use a marker to show where the transmission and rear axle connect to the propeller shaft. Using pliers squeeze the snap ring ends to open it then tap gently on the cup end if needed to reduce internal stress. Put the lower yoke ear on a 30mm hex head socket or 27mm socket and place U-joint Separator J 9522-3 on open horizontal bearing cups to extract the lower bearing cup from the yoke ear. Insert the U-Joint Bearing Spacer Remover (J 9522-5) between the seal and the bearing cup after lifting the cross to remove the spacer. Continue to push while passing the bearing cup. Use the propeller shaft rotation to remove the second bearing cup while marking the slip yoke setup position. Examine all grooves and bores in the bearing cups and retaining rings to check for cleanliness and damage near the parts' removal. Place half a bearing cup in one yoke ear first and join the trunnion smoothly into the assembled cross section. Use consistent force to press the bearing cups into their matching yoke ears and check for correct trunnion matching. Push downward until the bearing retainer grooves show and add the retainer parts before completing the press action when both parts click into position. A light strike from the dead blow hammer and chassis grease added to the snap ring make it easier to install the retainer properly.
• Universal Joints
  89059111
  Q: How to replace the universal joint with a nylon injected ring on GMC Yukon?

  A:

  You can set up and mark the yoke ends before putting the propeller shaft into a horizontal press with nylon support. Use a 30mm 1 1/8" socket in one yoke ear to support the propeller shaft when applying J 9522-3 bearing separator between horizontal bearing cups to push the lower bearing out. When the bearing cup proves stubborn, use the J 9522-5 to exceed pressure between the seal and cartrige by inserting it between the two surfaces. Turn the propeller shaft to drive the opposite bearing cup out and take off the cross assembly and joint parts separately. Use a clean tool to push away small plastic fragments inside the bearin. Lay one bearing cup inside the yoke then attach the yoke's bottom end piece. Afterward, put the cross parts together ensuring the trunnion moves without obstacles. Push both bearing cups into the yoke unit until the tips reach the surface then do the same on the other side to line up trunnion parts. Check the needle bearing alignment when a running problem exists. Press the yoke while ensuring the bearing retainer groove moves away then put the bearing retainer parts into place and tap them until both pieces snap into place. A dead blow hammer may be used to gently push the yoke when retainer installation becomes difficult. Adding chassis grease to the snap ring also helps ensure correct placement.