Planetary Sun Gear No Oneway Clutch

Disassembly

Hold sun gear input drum and check rotation of one-way clutch. Clutch should turn freely clockwise and lock counterclockwise. See Fig. 42. Remove one-way clutch assembly. Note direction of clutch installation. Remove thrust washer and oil seal rings from sun gear input drum and sun gear. Support sun gear input drum on wooden block and remove snap ring from sun gear. Separate sun gear from sun gear input drum. See Fig. 43.

Inspection

Clean components in solvent. Dry with compressed air. Measure inside diameter of sun gear bushing. Replace sun gear if diameter exceeds 1.066" (27.08 mm).

Reassembly

To reassemble, reverse disassembly procedure. See Fig. 43. Ensure ends of oil seal rings are properly locked together and seal rings move smoothly. Install one-way clutch assembly in proper direction. Check one-way clutch operation. See Fig. 41 and Fig. 42 .

2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul

One Way Clutch And Sealing Ring

G93A25684

Fig. 41: Installing No. 1 One-Way Clutch Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul

One Way Clutch
Fig. 42: Checking No. 1 One-Way Clutch Operation Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.

2001-05 AUTOMATIC TRANSMISSIONS A340E & A340F Overhaul

One Way Clutch
Fig. 43: Exploded View Of Planetary Sun Gear & No. 1 One-Way Clutch Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
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