Front Internal Gear
1. Inspect forward clutch hub for worn splines and make sure lubrication holes are not obstructed.2. Inspect gear for cracks or damage and teeth for excessive wear.
3. Inspect bushing, thrust washer and selective washer for scoring or damage.
4. Install thrust washer on front internal gear and retain with petrolatum.
5. Inspect output shaft to selective thrust washer snap ring for damage or distortion. It may be necessary to move output shaft upward by turning screw on tool J-25013-5 to install output shaft to selective washer snap ring.
6. Check rear unit endplay as described under "Transmission Disassembly."
7. Loosen tool J-25O13-5 adjusting screw and inspect output shaft to turbine shaft front selective thrust washer for damage or scoring.