Toyota Sienna Service Manual: Disassembly
1. INSPECT OIL PUMP ASSEMBLY
HINT: (See page AX-234)
2. REMOVE CLUTCH DRUM OIL SEAL RING
(a) Remove the 2 clutch drum oil seal rings.
3. REMOVE STATOR SHAFT ASSEMBLY
(a) Using a "torx" socket (T30), remove the 11 bolts and stator shaft.
4. INSPECT CLEARANCE OF OIL PUMP ASSEMBLY
HINT: (See page AX-234)
5. REMOVE FRONT OIL PUMP DRIVE GEAR
(a) Remove the front oil pump drive gear.
6. REMOVE FRONT OIL PUMP DRIVEN GEAR
(a) Remove the front oil pump driven gear.
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 SEAL
(a) Mount the oil pump in a soft jaw vise.
(b) Using SST, remove the oil seal from the oil pump body.
SST 09308-00010
Oil pump
COMPONENTS
...
Inspection
1. INSPECT OIL PUMP ASSEMBLY
(a) Turn the drive gear with the 2 screwdrivers and
make sure that it rotates smoothly.
NOTICE:
Be careful not to damage the oil seal lip.
2. INSPEC ...
Other materials:
ECU Power Source Circuit
DESCRIPTION
This is the power source for the tire pressure warning ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
NOTICE:
When replacing the tire pressure warning ECU, read the transmitter IDs
stored in the old ECU
using the intelligent tester and write them down before removal.
It is neces ...
Diagnosis system
1. CHECK DLC3
(a) The vehicle's ECM uses the ISO 15765-4 for
communication. The terminal arrangement of the
DLC3 complies with SAE J1962 and matches the
ISO 15765-4 format.
HINT:
Connect the cable of the intelligent tester to the
DLC3, turn the ignition switch to the ON position
and atte ...
Inspection
1. INSPECT UNDERDRIVE PACK CLEARANCE
(a) Install the underdrive clutch to the transaxle case.
NOTICE:
Be careful not to damage the oil seal rings.
(b) Install a dial indicator as shown in the illustration.
(c) Measure the underdrive clutch pack clearance while
applying and releasing comp ...
