2007 TOYOTA SIENNA Service Repair Manual

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TOYOTA SIENNA 2007  Service Repair Manual AX–198U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNIT
AX
68. REMOVE 1ST AND REVERSE BRAKE PISTON
(a) Apply compressed air (392 kPa, 4.0 kgf/cm
2, 57 psi) 
to the transaxle case to remove th

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TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNITAX–199
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70. REMOVE TRANSFER DRIVEN PINION FRONT 
BEARING
(a) Using a snap ring expander, remove the snap ring.
(b) Using SST and a press, re

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TOYOTA SIENNA 2007  Service Repair Manual AX–200U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNIT
AX
(b) Remove the 2 O-rings from the underdrive brake 
piston.
75. REMOVE NEEDLE ROLLER BEARING
(a) Using SST, remove the needleroller

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TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNITAX–201
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79. REMOVE UNDERDRIVE OUTPUT SHAFT OIL SEAL 
RING
(a) Remove the oil seal ring from the transaxle housing.
80. REMOVE DIFFERENTIAL G

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TOYOTA SIENNA 2007  Service Repair Manual AX–202U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNIT
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3. INSPECT OVERDRIVE DIRECT CLUTCH DRUM SUB-
ASSEMBLY
(a) Using a dial indicator, measure the inside diameter 
of the forward clutch

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TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNITAX–203
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7. INSPECT UNDERDRIVE BRAKE RETURN SPRING 
SUB-ASSEMBLY
(a) Using a vernier calipers, measure the free length of 
the spring togethe

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TOYOTA SIENNA 2007  Service Repair Manual AX–204U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNIT
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10. INSPECT PACK CLEARANCE OF UNDERDRIVE 
BRAKE
(a) Using a dial indicator, measure the underdrive brake 
pack clearance while apply

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TOYOTA SIENNA 2007  Service Repair Manual AX–164U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE ASSEMBLY
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REMOVAL
1. REMOVE ENGINE ASSEMBLY WITH TRANSAXLE
HINT:
(See page EM-26)
2. REMOVE FRONT DRIVE SHAFT ASSEMBLY LH
HINT:
(See page