2007 TOYOTA SIENNA Service Repair Manual

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TOYOTA SIENNA 2007  Service Repair Manual AX–248U151F AUTOMATIC TRANSAXLE  –  FORWARD CLUTCH
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REASSEMBLY
1. INSTALL INPUT SHAFT OIL SEAL RING
(a) Compress a new input shaft oil seal ring from both 
sides to reduce dimension A.
Dimension

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(d) Place SST on the clutch balancer, and compress 
the clutch balancer with a press.
SST 09387-00020
(e) Install the snap ring with a snap ri

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TOYOTA SIENNA 2007  Service Repair Manual AX–272U151F AUTOMATIC TRANSAXLE  –  DIFFERENTIAL CASE
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DISASSEMBLY
1. REMOVE FRONT DIFFERENTIAL RING GEAR
(a) Place the match-marks on the ring gear and 
differential case.
(b) Remove the 16 bol

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TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  DIFFERENTIAL CASEAX–273
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(c) Remove the front differential side gear, front 
differential side gear thrust washer, conical spring 
and center differential side gear

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TOYOTA SIENNA 2007  Service Repair Manual AX–274U151F AUTOMATIC TRANSAXLE  –  DIFFERENTIAL CASE
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3. REMOVE FRONT DIFFERENTIAL CASE REAR 
TAPERED ROLLER BEARING
(a) Using SST, remove the front differential case rear 
tapered roller beari

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TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  DIFFERENTIAL CASEAX–275
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(e) Remove the differential spider, 5 center differential 
pinions and 5 center differential pinion thrust 
washers from the differential i

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TOYOTA SIENNA 2007  Service Repair Manual AX–246U151F AUTOMATIC TRANSAXLE  –  FORWARD CLUTCH
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(d) Remove the forward clutch return spring from the 
input shaft.
4. REMOVE FORWARD CLUTCH RETURN SPRING 
SUB-ASSEMBLY
(a) Place the forward

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TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  FORWARD CLUTCHAX–247
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2. INSPECT FORWARD MULTIPLE DISC CLUTCH DISC
(a) Check if the sliding surface of the disc, plate and 
flange are worn or burnt.
If necessary,