Genuine Mitsubishi Universal Joint

Mitsubishi Universal Joint Parts Questions & Experts Answers

• Universal Joints
  MR196837
  Q: How are selective fit snap-rings used in retaining universal joint spiders and maintaining driveshaft balance on Mitsubishi Montero?

  A:

  Selective fit snap-rings retain the universal joint spiders in the yokes and to maintain driveshaft balance; therefore, replacement snap-rings must be the same size as original snap-rings. It is suggested that the center universal joint be dismantled first on three-joint type driveshafts, as this makes for an easier job. To remove the snap rings using a snap ring or long-nose pliers, clean all dirt from the ends of the bearings on the yokes. Using a hammer, tap the end of the bearing if the snap-rings are tight. Support the universal joint in a vise with soft jaws. Remove snap-rings. Two sockets are needed to remove the bearings from the yokes: one large enough to fit into the yoke and another with an inside diameter just large enough for the bearings. Fix the universal joint in the vise in such a way that the big socket is on one side and the small socket is on the other. Then, tighten the vise till bearing pushes out into the big socket. If it cannot be fully removed, then finish with the pliers. Utilise the sockets in the opposite direction to knock out the bearing on the other side and remember to mark the relationship of the yokes and the universal joint journal before knocking out the other bearings. Using the same method as before, disassemble the remaining two universal joints, marking their parts as you do so. When putting it back together, replace all needle bearings and dust seals with new ones. Pack each grease cavity in the universal joint journals with grease, and grease the new needle bearing rollers and roller contact areas. Apply grease to the lips of the dust seals and install the bearings and universal joint journals into the yoke with the vice and sockets carefully without damaging the bearings. Once the bearings are seated correctly, fit the snap rings and check the clearance with a feeler gauge, measuring the clearance at the opposite side of the yoke. In case, it does not meet specs, install a different thickness snap ring and check clearance again. Repeat until achieving correct clearance. It is recommended to use same thickness snap rings on both sides (not affect driveshaft balance).