Driveshaft Universal Joint - Double Cardan

Driveshaft Universal Joint - Double Cardan





Special Tool(s)






Material
Disassembly

1. CAUTION: Do not clamp the driveshaft in the jaws of a vise or a similar holding fixture.

Place the driveshaft on a suitable workbench.





2. Index-mark the double cardan yokes.





3. Remove all of the snap rings.





4. Clamp the special tool in a swivel base vise.





5. CAUTION: Do not continue to tighten the special tool if the U-joint bottoms out in the yoke or damage will occur to the center bearing shield.

Using the special tool, press the two bearing cups out of the opposite side of the driveshaft center yoke.
^ Alternate the pressure between the U-joints.





6. Remove bearing cups with gripping pliers.





7. Using the special tool, press the two remaining bearing cups out of the opposite side of the driveshaft center yoke.





8. Remove the bearing cups with gripping pliers.





9. Remove remaining bearing cups and spiders, and on the one-piece rear driveshaft, remove the spring.
The centering ball on the driveshaft end yoke is not repairable. Discard the driveshaft if the centering ball is damaged.

Assembly





1. Position the spider in the driveshaft end yoke, and position the bearing cup on the spider trunion.





2. Using the special tool, press the bearing cup far enough into the driveshaft end yoke to place the opposite bearing cup on the spider trunion.





3. Position the opposite bearing cup on the spider trunion.





4. Using the special tool, press the bearing cup to just below the snap ring groove.
5. Install the new snap ring.





6. Using the special tool, press the opposite bearing cup to just below the snap ring groove.
7. Install the new snap ring.

8. NOTE: Align the index marks made during disassembly.

Position the driveshaft center yoke on the spider.





9. Using the special tool, press the bearing cups into position.
^ Install the snap rings.





10. Apply grease.





11. On the one-piece rear driveshaft, install a new spring.





12. NOTE: Align the index marks made during disassembly.

Position the remaining spider, the centering flange yoke and the bearing cup.





13. Using the special tool, press the bearing cup far enough into the yoke to place the opposite bearing cup on the spider trunion.





14. Position the opposite bearing cup on the spider trunion.





15. Using the special tool, press the bearing cup to just below the snap ring groove.
16. Install the snap ring.





17. Using the special tool, press the opposite bearing cup to just below the snap ring groove.
18. Install the snap ring.





19. Position the bearing cup on the spider trunion in the centering flange yoke.





20. Using the special tool, press the bearing cup into position.





21. CAUTION: The assembly requires centering to install the final bearing cup, due to spring pressure.

NOTE: Position the jaws of the special tool into the driveshaft center yoke bearing cup bores.

With the special tools in position, hand-tighten the Differential Bearing Remover to center the spider trunion in the bore.





22. Using the special tool, install the final bearing cup.
^ Remove the special tools.





23. NOTE: If necessary, tap the yokes with a soft-faced hammer to seat the bearing cups.

Install the remaining snap rings.





24. Move the end yoke through the working angles to verify freedom of movement.