Sun Gear: Service and Repair

DISASSEMBLY
- Disassemble in the order shown in the illustration, referring to the following note:

End Cap
NOTE: Note the position of the end caps. They are of different thicknesses and are not interchangeable.





^ Separate the sprag assembly and end caps from the outer race.
3. Inspect all parts, and repair or replace as necessary.





INSPECTION
Inspect the low-intermediate carrier assembly pinion gear end play. End play should be between 0.15 - 0.72 mm (0.006 - 0.028 inch).

ASSEMBLY
- Assemble in the reverse order of disassembly, referring to the following steps.





1. Install the retaining ring.

NOTE: The tabs on the retaining washer should be facing down.





2. Install the retaining washer.





3. Identify the thick and thin end caps.





4. Assemble the one-way clutch, sprag assembly and end caps.





5. Use the SST or equivalent to install the sprag assembly and end caps in the outer race.

CAUTION: Lube grooves face up (away from sun gear).





6. Flip the outer race and sprag assembly over and install on the sun gear.





7. Install the coasting clutch hub.

NOTE: The end of the retaining ring should point towards the coasting clutch hub.





8. Install the coasting clutch hub retaining ring.





9. Check the operation of the forward one-way clutch with the sun gear facing up. It should work as follows:
^ When the sun gear is rotated in a clockwise direction, it should not rotate the outer race.
^ When the sun gear is rotated in a counterclockwise direction, it should rotate the outer race.