REMOVAL & INSTALLATION
4WD Models Only
- Jack up the front of the truck and support with jackstands.
- Paint a mating mark on the two halves of the rear universal joint flange.
- Remove the bolts which hold the rear flange to the front of the transfer case.
- Paint a mating mark on the two halves of the front universal joint flange.
- Remove the bolts which hold the front flange to the front differential.
- Remove the front driveshaft.
- Position the driveshaft so that the paint marks made previously line up.
- Install the flange bolts and tighten to 29-43 ft. lbs. on 1970-83 Pick-Ups; 54 ft. lbs. (74 Nm) on 1984-88 Pick-Ups and 4Runner; and 65 ft. lbs. (88 Nm) on the Land Cruiser.
- Lower the vehicle and road test it.
- Matchmark the yoke and the driveshaft.
- Remove the snaprings from the bearings.
- Position the yoke on vise jaws. Using a bearing remover and a hammer, gently tap the remover until the bearing is driven out of the yoke about 25mm.
- Place the tool in the vise and drive the yoke away from the tool until the bearing is removed.
- Repeat Steps 3 and 4 for the other bearings.
- Check for worn or damaged parts. Inspect the bearing journal surfaces for wear.
- Install the bearing cups, seals, and O-rings in the spider.
- Grease the spider and the bearings.
- Position the spider in the yoke.
- Start the bearings in the yoke and then press them into place, using a vise.
- Repeat Step 4 for the other bearings.
- If the axial play of the spider is greater than 0.05mm, select snaprings which will provide the correct play. Be sure that the snaprings are the same size on both sides or driveshaft noise and vibration will result.
- Check the U-joint assembly for smooth operation.