Toyota Sienna Service Manual: Disassembly
1. HOLD VANE PUMP ASSEMBLY
(a) Using SST, hold the vane pump assembly in a vise.
SST 09630-00014 (09631-00132)
2. REMOVE POWER STEERING SUCTION PORT UNION
(a) Remove the bolt and the power steering suction port union from the vane pump front housing.
(b) Using a screwdriver, remove the O-ring from the power steering suction port union.
3. REMOVE POWER STEERING FLUID PRESSURE SWITCH
NOTICE: Perform this procedure only when the power steering fluid pressure switch is replaced.
(a) Remove the power steering fluid pressure switch from the vane pump front housing.
4. REMOVE FLOW CONTROL VALVE ASSEMBLY
(a) Remove the pressure port union from the vane pump front housing.
(b) Remove the O-ring from the pressure port union.
(c) Remove the flow control valve assembly and the flow control valve compression spring from the vane pump front housing.
5. REMOVE VANE PUMP REAR HOUSING
(a) Remove the 4 bolts and vane pump rear housing from the vane pump front housing.
(b) Using a screwdriver, remove the O-ring from the vane pump rear housing.
HINT: Tape the screwdriver tip before use.
6. REMOVE VANE PUMP SHAFT WITH PULLEY
(a) Using 2 screwdrivers, remove the vane pump shaft snap ring from the vane pump shaft with pulley.
(b) Remove the vane pump shaft with pulley.
7. REMOVE VANE PUMP ROTOR
(a) Remove the 10 vane pump plates.
(b) Remove the vane pump rotor.
8. REMOVE VANE PUMP CAM RING
(a) Remove the vane pump cam ring from the vane pump front housing.
9. REMOVE VANE PUMP FRONT SIDE PLATE
(a) Remove the vane pump front side plate from the vane pump front housing.
(b) Using a screwdriver, remove the O-ring from the vane pump front side plate.
HINT: Tape the screwdriver tip before use.
(c) Remove the O-ring from the vane pump front housing.
10. REMOVE VANE PUMP HOUSING OIL SEAL
(a) Using a screwdriver and a shop rag or a piece of cloth, remove the vane pump housing oil seal from the vane pump front housing.
NOTICE: Be careful not to damage the vane pump front housing.
Removal
1. DRAIN POWER STEERING FLUID
2. REMOVE FRONT WHEEL RH
3. REMOVE FRONT FENDER APRON SEAL RH (See
page EM-26)
4. REMOVE FAN AND GENERATOR V BELT (See page
EM-6)
5. DISCONNECT NO. 1 FLUID RESERVOI ...
Inspection
1. INSPECT VANE PUMP SHAFT AND BUSHING IN VANE PUMP FRONT HOUSING
(a) Using a micrometer, measure the outer diameter [a]
of the vane pump shaft with pulley.
(b) Using vernier calipers, measur ...
Other materials:
Disassembly
1. REMOVE INDICATOR LIGHT WIRE SUB-ASSEMBLY
(a) Remove the indicator light wire sub assembly from
the position indicator light guide.
2. REMOVE POSITION INDICATOR LIGHT BULB
(a) Remove the shift position indicator light bulb from
the indicator light wire sub-assembly
3. REMOVE POSITION IND ...
Inspection
1. INSPECT SHOCK ABSORBER ASSEMBLY FRONT LH
(a) Compress and extend the shock absorber rod and
check that there is no unusual resistance or unusual
sound during operation.
If there is any abnormality, replace the shock
absorber assembly front LH with a new one.
NOTICE:
When disposing of ...
Reassembly
1. INSTALL FRONT DRIVE SHAFT BEARING
(a) Using SST and a press, install a new front drive
shaft bearing.
SST 09710-30021 (09710-03141), 09527-10011
NOTICE:
Bearing should be completely installed.
2. INSTALL FRONT DRIVE SHAFT RH HOLE SNAP RING
(a) Using a snap ring expander, install a ...
