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Home >> Suzuki >> 2000 >> Vitara JS, 4D Utility, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Overhaul - Aw03-72LE & Aw03-73LE >> Component Disassembly & Reassembly >> Center Support Assembly >> Disassembly
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Center Support Assembly: Disassembly

  1. Remove snap ring from end of sun gear shaft. See Fig 1 . Remove No. 2 brake hub assembly and No. 1 one-way clutch from center support. Repeat procedure used in direct clutch disassembly to check No. 1 brake piston stroke. See Fig 2 . On Grand Vitara/Vitara, piston stroke should be .039-.047" (1.0-1.2 mm) and .025-.068" (.64-1.73 mm) for all other models. If piston stroke is not as specified, inspect discs.
  2. Remove No. 1 brake clutch snap ring from front of center support. Remove flange, discs and plates. See Fig 1 . Using spring compressor, compress piston return spring. Remove snap ring. Remove piston return spring.
  3. Hold No. 1 brake piston and apply air pressure to specified center support oil hole to remove No. 1 brake piston. See Fig 2 . Remove "O" rings and oil sealing rings. Turn center support over.
  4. Check No. 2 brake piston stroke. Repeat test procedure used previously for checking piston stroke on No. 1 brake piston. See Fig 3 . Piston stroke should be .040-.089" (1.02-2.26 mm). If piston stroke is not as specified, inspect discs. Remove No. 2 brake clutch snap ring, flange, discs and plates. Note location and number of components. See Fig 1 .
  5. Using spring compressor, compress piston return spring. Remove snap ring. Remove piston return spring. Hold No. 2 brake piston and apply air pressure to specified center support oil hole to remove No. 2 brake piston. See Fig 3 . Remove "O" rings.
  6. Hold No. 1 one-way clutch and rotate sun gear shaft. Sun gear shaft should rotate freely in counterclockwise direction and lock in clockwise direction. See Fig 4 . If component does not operate as described, one-way clutch requires replacement. Loosen staked part of rear side retainer. Remove No. 1 one-way clutch and 2 retainers from outer race. See Fig 5 . Using a pin punch and hammer, remove front side retainer. Remove oil sealing rings from sun gear shaft.
Fig 1: Exploded View Of Center Support Components
G00047147Courtesy of SUZUKI OF AMERICA CORP.
Fig 2: Measuring No. 1 Brake Piston Stroke
G93J23837Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig 3: Measuring No. 2 Brake Piston Stroke
G93B23839Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig 4: Checking No. 1 One-Way Clutch Operation
G95H20161Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Fig 5: Exploded View Of Planetary Sun Gear Shaft & No. 1 One-Way Clutch
G93F23841Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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