2007 TOYOTA SIENNA Service Repair Manual

Page 2001 of 3000

TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  DIFFERENTIAL CASEAX–285
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7. INSTALL FRONT DIFFERENTIAL RING GEAR
(a) Using ATF and heater, heat the front differential ring 
gear to 90 to 110
C (194.0 to 230.0F).

Page 2002 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–286U151F AUTOMATIC TRANSAXLE  –  DIFFERENTIAL CASE
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9. INSTALL TRANSAXLE HOUSING OIL SEAL
(a) Wind a vinyl tape around SST at the place 6.0 mm 
(0.236 in.) above from the bottom end until the

Page 2003 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TRANSFER  –  TRANSFER UNITTF–13
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DISASSEMBLY
1. REMOVE TRANSFER COVER GASKET
(a) Remove the transfer gasket from the transfer 
assembly.
2. REMOVE TRANSFER CASE BREATHER PLUG
(a) Using a screwdr

Page 2004 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TF–14TRANSFER  –  TRANSFER UNIT
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5. REMOVE TRANSFER DYNAMIC DAMPER
(a) Remove the 3 bolts and the transfer dynamic 
damper from the transfer extension housing sub-
assembly.
6. REMOVE TRANSFER C

Page 2005 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TRANSFER  –  TRANSFER UNITTF–15
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(b) Using a plastic hammer, remove the transfer 
extension housing sub- assembly from the transfer 
case.
12. INSPECT PRELOAD
(a) Using SST(s) and a torque wrenc

Page 2006 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TF–16TRANSFER  –  TRANSFER UNIT
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14. REMOVE O-RING
(a) Using a screwdriver with the tip protected by vinyl 
tape, remove the O-ring from the CTR differential 
lock sleeve.
NOTICE:
Be careful not

Page 2007 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TRANSFER  –  TRANSFER UNITTF–17
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(b) Using SST, make a clearance between the transfer 
RH bearing retainer sub-assembly and the transfer 
case.
SST 09950-00020
(c) Remove the SST.
(d) Using SST,

Page 2008 of 3000

TOYOTA SIENNA 2007  Service Repair Manual TF–18TRANSFER  –  TRANSFER UNIT
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20. REMOVE SIDE GEAR SHAFT HOLDER BEARING
(a) Using snap ring pliers, remove the side gear shaft 
holder hole snap ring.
(b) Remove the side gear shaft holder be