5B-1 Manual Transmission/Transaxle:
Manual Transmission/Transaxle
General Description
Manual Transmission Construction
S5JB0A5201001
The manual transmission consists of the input shaft, output shaft, countershaft and reverse idle gear shaft which are
installed in the die-cast aluminum alloy case. This transmission provides five forward speeds and one reverse speed.
The 1st, 2nd, 3rd and 4th speeds are for speed reduction drive, 5th speed is for direct drive. The low speed (1st and
2nd) synchronizer is mounted on the countershaft and engaged with the countershaft 1st or 2nd gear. The high speed
(3rd and 4th) synchronizer is mounted on of the input shaft and engaged with the input shaft 3rd and 4th gear. The 5th
speed synchronizer is mounted on the input shaft and engaged with the output shaft. The gear shift lever case is
located at the upper behind the transmission case and has a cam which prevents direct gear shifting from the 5th
speed gear into the reverse gear.
As the die-cast aluminum alloy case are sealed with liquid type gasket, it is necessary to use genuine sealant or its
equivalent on its mating surface when reassembling them. Also, the case fastening bolts must be tightened to
specified torque by means of the torque wrench and tightening over or below the specified torque should be avoided.
The description under “Repair Instructions” covers the transfer partially which is next to the transmission as well, but
their gear boxes are independent and each of them has its own drain and filler plugs for the oil change or the level
check.
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I5JB0A520017-02
1. Input shaft 7. 3rd gear 13. Countershaft
2. Transmission front case 8. Gear shift shaft 14. 2nd gear
3. Reverse idler gear 9. Output shaft gear 15. Transmission rear case
4. Reverse shaft 10. Adapter case 16. Low speed synchronizer hub
5. 4th gear 11. Output shaft 17. 1st gear
6. High speed synchronizer hub 12. 5th speed synchronizer hub 18. Reverse gear
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