Input Shaft Disassembly

Reference: MANUAL TRANSMISSION UNIT DISASSEMBLY 

1. Remove snap ring.
2. Remove input shaft front bearing (1) using bearing puller and hydraulic press.
   Fig 1: Identifying Bearing Puller On Input Shaft Front Bearing

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3. Remove input shaft union.
4. Hold hatched area (5) of input shaft assembly (1) with "V" blocks (4) on vise (2) or the like to stop rotation of shaft, undo caulking and input shaft 5th hub nut (3).
   CAUTION: Do not hold spline, gear teeth or abrasive surface of shaft with vise through "V" blocks or the like, otherwise shaft components may be damaged.
   Fig 2: Identifying Hatched Area Of Input Shaft Assembly

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5. Apply bearing puller to 4th gear (1), and drive out 5th speed synchronizer hub (2), 3rd gear (3), high speed gear needle bearings, 3rd gear bush, high speed synchronizer assembly (4) and 4th gear all at once from input shaft using metal stick (5) and press.
   CAUTION: To avoid gear teeth from being damaged, support 4th gear at flat side of bearing puller.
   Fig 3: Identifying Bearing Puller To 4Th Gear & Drive Out 5Th Speed Synchronizer Hub

   Courtesy of SUZUKI OF AMERICA CORP.