2007 TOYOTA SIENNA Service Repair Manual

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TOYOTA SIENNA 2007  Service Repair Manual U151E AUTOMATIC TRANSAXLE  –  DIRECT CLUTCHAX–247
AX
DISASSEMBLY
1. INSPECT PACK CLEARANCE OF REVERSE CLUTCH
HINT:
(See page AX-249)
2. INSPECT PACK CLEARANCE OF DIRECT CLUTCH 
AND OVERDRIVE CLUTC

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TOYOTA SIENNA 2007  Service Repair Manual AX–248U151E AUTOMATIC TRANSAXLE  –  DIRECT CLUTCH
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• This prevents the spring seat from being 
deformed.
• Do not expand the snap ring excessively.
(c) Remove the clutch balancer from the di

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TOYOTA SIENNA 2007  Service Repair Manual U151E AUTOMATIC TRANSAXLE  –  DIRECT CLUTCHAX–249
AX
8. REMOVE OVERDRIVE DIRECT CLUTCH O-RING
(a) Using a screwdriver, remove the O-ring from the 
direct clutch drum.
INSPECTION
1. INSPECT PACK CL

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TOYOTA SIENNA 2007  Service Repair Manual AX–250U151E AUTOMATIC TRANSAXLE  –  DIRECT CLUTCH
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3. INSPECT DIRECT MULTIPLE DISC CLUTCH DISC
(a) Check if the sliding surfaces of the disc, plate and 
flange are worn or burnt.
If necessary, r

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TOYOTA SIENNA 2007  Service Repair Manual U151E AUTOMATIC TRANSAXLE  –  DIRECT CLUTCHAX–251
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7. INSPECT PACK CLEARANCE OF DIRECT CLUTCH 
AND OVERDRIVE CLUTCH
(a) Using a dial indicator, measure the direct clutch & 
overdrive clutch pack

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TOYOTA SIENNA 2007  Service Repair Manual AX–252U151E AUTOMATIC TRANSAXLE  –  DIRECT CLUTCH
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3. INSTALL OVERDRIVE DIRECT CLUTCH PISTON
(a) Coat the overdrive direct clutch piston with ATF, and 
install it to the direct clutch drum.
4. I

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TOYOTA SIENNA 2007  Service Repair Manual U151E AUTOMATIC TRANSAXLE  –  DIRECT CLUTCHAX–253
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(g) Set the end gap of the snap ring in the piston shown 
in the illustration.
NOTICE:
The end gap of the snap ring should not align 
with any

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TOYOTA SIENNA 2007  Service Repair Manual AX–254U151E AUTOMATIC TRANSAXLE  –  UNDERDRIVE PLANETARY GEAR
AX
TRANSMISSION
U151E AUTOMATIC TRANSAXLE
UNDERDRIVE PLANETARY GEAR
COMPONENTS
C114868E03