Ford 2003 Mustang Workshop Manual page 304

2. Position the new spider in the driveshaft yoke.
3. Position the driveshaft in the U-joint tool.
4. Press the bearing cup to just below the snap ring groove.
Repeat for the other bearing cup.
2. Inspect the driveshaft flange yoke. Install new if necessary.
3. Install the driveshaft flange yoke.
1. Start a new bearing cup into the driveshaft flange yoke.
Check the needle bearings for correct positioning.
2. Position the driveshaft flange yoke.
3. Position the driveshaft in the U-joint tool.
4. Press the bearing cup to just below the snap ring groove.
Repeat for the other bearing cup.
4. NOTE: Use the yellow snap rings supplied in the kit to assemble the universal joint (U-joint). If
difficulty is encountered with the yellow snap rings, install the black snap rings, as required.
Remove the driveshaft from the U-joint tool, and install the four snap rings.
5. NOTE: Do not strike the bearings.