2007 TOYOTA SIENNA Service Repair Manual

Page 1913 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–230U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNIT
AX
61. INSTALL C-3 ACCUMULATOR PISTON
(a) Coat a new O-ring with ATF, install it to the C-3 
accumulator piston.
NOTICE:
Make sure that

Page 1914 of 3000

TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNITAX–231
AX
64. INSTALL TRANSAXLE CASE 2ND BRAKE GASKET
(a) Coat a new transaxle case 2nd brake gasket with 
ATF, and install it to the transaxl

Page 1915 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–232U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNIT
AX
68. INSTALL TRANSMISSION VALVE BODY ASSEMBLY
(a) While positioning the manual valve lever position, 
install the valve body to the t

Page 1916 of 3000

TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNITAX–233
AX
(c) Install the oil pan and new oil pan gasket to the 
transaxle case with the 18 bolts.
Torque: 7.8 N*m (80 kgf*cm, 69 in.*lbf)
NOT

Page 1917 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–234U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNIT
AX
76. INSTALL PARK/NEUTRAL POSITION SWITCH 
ASSEMBLY
(a) Install the park/neutral position switch onto the 
manual valve lever shaft,

Page 1918 of 3000

TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  AUTOMATIC TRANSAXLE UNITAX–235
AX
(i) Install the control shaft lever, washer and nut.
Torque: 13 N*m (130 kgf*cm, 9 ft.*lbf)
77. INSTALL SPEEDOMETER DRIVEN HOLE (ATM

Page 1919 of 3000

TOYOTA SIENNA 2007  Service Repair Manual AX–172U151F AUTOMATIC TRANSAXLE  –  TORQUE CONVERTER CLUTCH AND DRIVE PLATE
AX
TORQUE CONVERTER CLUTCH 
AND DRIVE PLATE
INSPECTION
1. INSPECT TORQUE CONVERTER CLUTCH 
ASSEMBLY
(a) Inspect the one-

Page 1920 of 3000

TOYOTA SIENNA 2007  Service Repair Manual U151F AUTOMATIC TRANSAXLE  –  TORQUE CONVERTER CLUTCH AND DRIVE PLATEAX–173
AX
(d) Clean and check the oil cooler and oil pipe line.
(1) If the torque converter clutch is inspected or the 
ATF is