Special Tools Required
Mainshaft base ( 07GAJ-PG20130)
| 1. | Remove the 72 mm shim (A) and oil guide plate M from the transmission housing (B).
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| 2. | Thoroughly clean the spring washer (A) and washer (B) before installing them on the clutch housings side ball bearing (C). Note the installation direction of the spring washer.
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| 3. | Install the 3rd/4th synchro hub, the distance collar, the 5th synchro hub, the distance collar, and the ball bearing on the mainshaft. NOTE: Refer to the mainshaft reassembly exploded view. |
| 4. | Install the mainshaft in the clutch housing. |
| 5. | Place the transmission housing over the mainshaft and onto the clutch housing. |
| 6. | Secure the clutch and transmission housings with several 8 mm bolts. NOTE: It is not necessary to use sealing agent between the housing for this procedure. |
| 7. | Lightly tap on the mainshaft with a plastic hammer. |
| 8. | Attach the special tool to the mainshaft as follows:
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| 9. | Fully seat the mainshaft by tapping its end with a plastic hammer. |
| 10. | Thread the mainshaft holder bolt in until it just contacts the wide surface of the mainshaft base. |
| 11. | Zero a dial gauge (A) on the end of the mainshaft.
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| 12. | Turn the mainshaft holder bolt (B) clockwise; stop turning when the dial gauge has reached its maximum movement. The reading on the dial gauge is the amount of mainshaft thrust clearance. NOTE: Do not turn the mainshaft holder bolt more than 60 degrees after the needle of the dial gauge stops moving. Applying more pressure with the mainshaft holder bolt may damage the transmission. |
| 13. | If the reading is within the standard, the clearance is correct. If the reading is not within the standards, select the appropriate shim needed from the table, and recheck the thrust clearance.
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| 14. | With oil guide plate M and the appropriate size shim installed in the transmission housing, check the thrust clearance again to verify the clearance is within the standard.
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