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 TRANSFER COVER GASKET
(a) Remove the transfer gasket from the transfer
assembly.
2. REMOVE TRANSFER CASE BREATHER PLUG
(a) Using a screwdriver and a hammer, remove the
transfer case breather plug from the No. 1 transfer
case cover.
NOTICE:
Be careful not to damage the conta ...
Power Slide Door Warning Buzzer RH does not Sound
DESCRIPTION
The power slide door system uses warning buzzers built into RH
slide doors respectively. Each buzzer
has 2 ways of sounding that are used differently according to the
situations:
When all the following conditions are met, the warning buzzer sounds at
a cycle of ...
Problem symptoms table
HINT:
Use the table below to help determine the cause of the
problem symptom. The potential causes of the symptoms
are listed in order of probability in the "Suspected Area"
column of the table. Check each symptom by checking the
suspected areas in the order they are listed. Re ...