2007 TOYOTA SIENNA Service Repair Manual

Page 2721 of 3000

TOYOTA SIENNA 2007  Service Repair Manual PS–10POWER STEERING  –  VANE PUMP
PS
8. REMOVE VANE PUMP ASSEMBLY
(a) Using SST, loosen bolt (A) and remove bolt (B), and 
then remove the vane pump assembly.
SST 09249-63010
(b) Remove the bolt f

Page 2722 of 3000

TOYOTA SIENNA 2007  Service Repair Manual POWER STEERING  –  VANE PUMPPS–11
PS
(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

Page 2723 of 3000

TOYOTA SIENNA 2007  Service Repair Manual PS–12POWER STEERING  –  VANE PUMP
PS
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 fr

Page 2724 of 3000

TOYOTA SIENNA 2007  Service Repair Manual POWER STEERING  –  VANE PUMPPS–13
PS
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 fr

Page 2725 of 3000

TOYOTA SIENNA 2007  Service Repair Manual PS–14POWER STEERING  –  VANE PUMP
PS
3. INSPECT FLOW CONTROL VALVE ASSEMBLY
(a) Coat the flow control valve assembly with power 
steering fluid and check that it falls smoothly into the 
flow cont

Page 2726 of 3000

TOYOTA SIENNA 2007  Service Repair Manual POWER STEERING  –  VANE PUMPPS–15
PS
REASSEMBLY
NOTICE:
Before installation, coat the parts indicated by arrows 
with power steering fluid (See page PS-7).
1. INSTALL VANE PUMP HOUSING OIL SEAL
(a

Page 2727 of 3000

TOYOTA SIENNA 2007  Service Repair Manual PS–16POWER STEERING  –  VANE PUMP
PS
(c) Align the notch of the vane pump front side plate 
with that of the vane pump front housing, and install 
the vane pump front side plate.
NOTICE:
Make sure

Page 2728 of 3000

TOYOTA SIENNA 2007  Service Repair Manual POWER STEERING  –  VANE PUMPPS–17
PS
(c) Install the vane pump plates with the round end 
facing outward.
NOTICE:
Make sure that the vane pump plates are 
installed facing in the correct direction