Operation CHARM: Car repair manuals for everyone.

Input Shaft

Disassemble




1. Remove input shaft to converter O-ring and remove input shaft to stator shaft bearing.

2. Remove input shaft to stator shaft seal rings, do not scratch shaft.

3. Remove 2nd/reverse thrust bearing. Do not scratch shaft surfaces.

4. Remove 2nd/reverse gear.

5. Remove 2nd/reverse gear bearing.

6. Remove 2nd/reverse gear thrust bearing.

7. Position press support below 2nd/3rd gear clutch housing, then press off the following components:

a. 2nd/reverse gear needle bearing race.

b. 2nd/reverse drive gear thrust washer.

c. 2nd/3rd clutch housing.

8. Remove 2/3 clutch housing thrust washer.

9. Remove clutch side 3rd drive gear thrust bearing.

10. Remove 3rd drive gear.

11. Remove 3rd gear thrust bearing.

12. Remove 3rd drive gear bearing.

13. Remove three O-ring clutch seals from shaft grooves.


Assemble

1. Using input shaft seal pusher tool No. SA9143T and expander sizer kit tool No. SA91 44T (1st, two long, 2nd, three medium, 3rd, four short), or equivalents, place input shaft seal rings to expander, then use pusher toll to install.

2. Using sizer tool from preceding step, rotate tool and push lightly one seal at a time until all three seals have been sized.





3. Lubricate with Dexron II or equivalent, then install third drive gear bearing.

4. Lube and install three O-ring clutch seals in shaft grooves.

5. Install 2nd/reverse and 3rd clutch hub thrust washer to 2/3 clutch housing, washer is on 3rd gear side of housing which is smaller, ensure washer line slots align with tangs.

6. Install thrust bearing in 3rd gear hub, using suitable petroleum jelly to hold in place.

7. Install 3rd gear in clutch housing, twisting to align gear hub with clutch tangs.

8. Lube and install 3rd drive gear bearing to 3rd gear.

9. Install thrust bearing on 3rd gear.

10. Install shaft through end/3rd gear and clutch, twist shaft to align, ensure 3rd gear fits against 4th gear.

11. Install 2nd/reverse gear thrust washer, align washer internal tang with shaft lobe slot.

12. Using suitable heat gun, heat 2nd/ reverse gear needle bearing race, then install race.

13. Install 2nd/reverse gear thrust bearing.

14. Lube and install 2nd/reverse gear thrust bearing.

15. Install 2nd/reverse gear, rotate gear to align clutch tangs.

16. Install 2nd/reverse thrust bearing with tab side toward gear.


Inspection

1. Remove input shaft bearing from case.

2. Install case bearing on shaft.

3. Install 1st drive gear to case bearing thrust washer.

4. Install first gear to 1st gear clutch assembly and rotate gear to align clutch tangs.

5. Install 1st clutch assembly and tighten old nut to specifications.




6. Using suitable feeler gauge, measure clearance between 1 st drive gear and 1st thrust washer; 0.003-0.017 inch clearance should be indicated.




7. Using suitable feeler gauge, measure clearance between 2nd/reverse drive gear and 2nd/reverse thrust bearing; 0.001-0.O06 inch clearance should be indicated.




8. Using suitable feeler gauge, measure clearance between 4th drive gear and 3/4 drive gear thrust bearing; 0.002-0.009 inch clearance should be indicated.

9. Remove input shaft clamp nut, 1st clutch assembly, thrust washer and input shaft case bearing.