2007 TOYOTA SIENNA Service Repair Manual

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TOYOTA SIENNA 2007  Service Repair Manual AX–234U151E AUTOMATIC TRANSAXLE  –  OIL PUMP
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7. REMOVE FRONT OIL PUMP BODY O-RING
(a) Using a screwdriver, remove the O-ring.
HINT:
Tape the screwdriver before use.
8. REMOVE FRONT OIL PUMP OIL

Page 1650 of 3000

TOYOTA SIENNA 2007  Service Repair Manual U151E AUTOMATIC TRANSAXLE  –  OIL PUMPAX–235
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(d) Using a straightedge and feeler gauge, measure the 
side clearance of both gears.
Standard side clearance:
0.02 to 0.05 mm (0.0008 to 0.0020 in.

Page 1651 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–236U151E AUTOMATIC TRANSAXLE  –  OIL PUMP
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2. INSTALL FRONT OIL PUMP BODY O-RING
(a) Coat new O-ring with ATF, and install it to the oil 
pump body.
NOTICE:
Make sure that the O-ring is not t

Page 1652 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–244U151E 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

Page 1653 of 3000

TOYOTA SIENNA 2007  Service Repair Manual U151E AUTOMATIC TRANSAXLE  –  FORWARD CLUTCHAX–245
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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

Page 1654 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–242U151E 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

Page 1655 of 3000

TOYOTA SIENNA 2007  Service Repair Manual U151E AUTOMATIC TRANSAXLE  –  FORWARD CLUTCHAX–243
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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,

Page 1656 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–246U151E AUTOMATIC TRANSAXLE  –  DIRECT CLUTCH
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TRANSMISSION
U151E AUTOMATIC TRANSAXLE
DIRECT CLUTCH
COMPONENTS
C119011E02