2007 TOYOTA SIENNA Service Repair Manual

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TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  UNDERDRIVE PLANETARY GEARAX–263
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3. INSTALL DIFFERENTIAL DRIVE PINION
(a) Using SST and a press, press the differential drive 
pinion.
SST 09726-40010, 09950-60010

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TOYOTA SIENNA 2007  Service Repair Manual AX–264U151F AUTOMATIC TRANSAXLE  –  UNDERDRIVE CLUTCH
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TRANSMISSION
U151F AUTOMATIC TRANSAXLE
UNDERDRIVE CLUTCH
COMPONENTS
C114869E03

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DISASSEMBLY
1. INSPECT UNDERDRIVE PACK CLEARANCE
HINT:
(See page AX-266)
2. REMOVE UNDERDRIVE CLUTCH FLANGE NO.2 
HOLE SNAP RING
(a) Using

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TOYOTA SIENNA 2007  Service Repair Manual AX–266U151F AUTOMATIC TRANSAXLE  –  UNDERDRIVE CLUTCH
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(d) Remove the return spring from the underdrive clutch 
drum.
5. REMOVE UNDERDRIVE CLUTCH PISTON SET
(a) Install the underdrive clutch to

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2. INSPECT UNDERDRIVE CLUTCH DISC NO.1
(a) Check if the sliding surface of the disc, plate and 
flange are worn or burnt. If necessary, rep

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3. INSTALL UNDERDRIVE CLUTCH RETURN SPRING 
SUB-ASSEMBLY
(a) Install the return spring to the underdrive clutch 
drum.
NOTICE:
Installing t

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4. INSTALL UNDERDRIVE CLUTCH DISC NO.1
(a) Coat the 4 discs with ATF.
(b) Install the 4 plates, 4 discs and flange to the 
underdrive clutc

Page 1992 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–276U151F AUTOMATIC TRANSAXLE  –  DIFFERENTIAL CASE
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INSPECTION
1. INSPECT FRONT DIFFERENTIAL
(a) Using a dial indicator, measure the backlash of one 
pinion gear while holding the front diffe