2007 TOYOTA SIENNA Service Repair Manual

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TOYOTA SIENNA 2007  Service Repair Manual U151E AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNITAX–181
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18. REMOVE C-3 ACCUMULATOR PISTON
(a) Remove the spring from the C-3 accumulator 
piston.
(b) Apply compressed air (392 kPa, 4.0 kgf

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20. REMOVE B-3 ACCUMULATOR PISTON
(a) Apply compressed air (392 kPa, 4.0 kgf/cm
2, 57 psi) 
to the oil hole and remove the B-3 accum

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24. REMOVE MANUAL VALVE LEVER SUB-ASSEMBLY
(a) Using a chisel and hammer, cut off and remove the 
spacer.
(b) Using a pin punch (
35

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28. INSPECT INPUT SHAFT ENDPLAY
HINT:
(See page AX-200)
29. REMOVE TRANSAXLE HOUSING
(a) Remove the 16 bolts.
(b) Tap on the circumf

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33. REMOVE DIFFERENTIAL GEAR ASSEMBLY
(a) Remove the differential gear assembly from the 
transaxle case.
34. REMOVE OVERDRIVE BRAKE

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38. REMOVE UNDERDRIVE PLANETARY GEAR 
ASSEMBLY
(a) Remove the bolt and pawl shaft clamp.
(b) Remove the parking lock pawl shaft.
(c)

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40. REMOVE UNDERDRIVE CLUTCH ASSEMBLY
(a) Remove the underdrive clutch assembly, thrust 
bearing and bearing race from the transaxle

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(b) Remove the flange, 4 discs and 4 plates from the 
transaxle case.
43. INSPECT UNDERDRIVE CLUTCH DISC NO.2
HINT:
(See page AX-197