Toyota FJ Cruiser (GSJ 10, 15 series). Instruction — part 365
POWER STEERING – VANE PUMP
PS–11
PS
3.
INSPECT FLOW CONTROL VALVE
(a) Coat the flow control valve with power steering fluid
and check that it falls smoothly into the flow control
valve hole under its own weight.
(b) Check the flow control valve for leakage. Close one
of the holes and apply compressed air of 392 to 490
kPa (4 to 5 kgf/cm
2
, 57 to 71 psi) to the hole on the
opposite side. Confirm that the air does not flow out
from the end holes.
If necessary, replace the vane pump assembly.
4.
INSPECT COMPRESSION SPRING
(a) Using vernier calipers, measure the free length of
the spring.
Minimum free length:
29.2 mm (1.150 in.)
If it is not within the specification, replace the vane
pump assembly.
5.
INSPECT PRESSURE PORT UNION SUB-ASSEMBLY
(a) If the union seat in the pressure port union is badly
damaged, it could cause fluid leakage, so replace
the vane pump assembly.
F051270
Compressed Air
F052069E02
Vernier Caliper
R008702E02
PS–12
POWER STEERING – VANE PUMP
PS
REASSEMBLY
NOTICE:
When installing, coat the parts indicated by the arrows
with power steering fluid (See page
).
1.
INSTALL VANE PUMP HOUSING OIL SEAL
(a) Coat a new vane pump housing oil seal lip with
power steering fluid.
(b) Using SST and a press, install a new oil seal.
SST
09950-60010 (09951-00280), 09950-70010
(09951-07100)
NOTICE:
Make sure that the oil seal is installed facing in
the correct direction.
2.
INSTALL PULLEY SHAFT SUB-ASSEMBLY
(a) Coat the bushing inner surface of the vane pump
housing front with power steering fluid.
(b) Gradually insert the vane pump shaft.
NOTICE:
Do not damage the vane pump housing oil seal
lip in the vane pump housing front.
3.
INSTALL VANE PUMP FRONT SIDE PLATE
(a) Coat a new O-ring with power steering fluid and
install it onto the vane pump housing front.
(b) Coat a new O-ring with power steering fluid and
install it onto the side plate.
SST
Oil Seal
F051271E01
Power Steering Fluid
F051272E01
F051267
C065368
POWER STEERING – VANE PUMP
PS–13
PS
(c) Align the dent of the side plate with that of the vane
pump housing front and install the side plate.
NOTICE:
Make sure that the side plate is installed facing
the correct direction.
4.
INSTALL VANE PUMP CAM RING
(a) Align the dent of the cam ring with that of the side
plate and install the cam ring with the inscribed
mark facing outward.
5.
INSTALL VANE PUMP ROTOR
(a) Install the vane pump rotor with the inscribed mark
facing outward.
(b) Coat the 10 vane plates with power steering fluid.
(c) Install the vane plates with the round ends facing
outward.
(d) Using a snap ring expander, install a new snap ring
onto the pulley shaft.
6.
INSTALL VANE PUMP REAR HOUSING
(a) Coat a new O-ring with power steering fluid and
install it onto the vane pump housing rear.
(b) Align the straight pin of the vane pump housing rear
with the dents of the cam ring, side plate and vane
pump housing front, and install the vane pump
housing rear with the 4 bolts.
Torque: 22 N*m (224 kgf*cm, 16 ft.*lbf)
7.
INSPECT PRELOAD
(a) Check that the pump rotates smoothly without
making any abnormal noises.
(b) Provisionally install the service bolt.
Recommended service bolt:
Thread diameter:
10 mm (0.3937 in.)
Thread pitch:
1.25 mm (0.0492 in.)
Bolt length:
50 mm (1.9685 in.)
F051273
Inscribed Mark
F051274E01
Inscribed Mark
Round End
F051275E02
F051276
C053369
PS–14
POWER STEERING – VANE PUMP
PS
(c) Using a torque wrench, check the pump rotating
torque.
Torque: 0.27 N*m (2.8 kgf*cm, 2.4 in.*lbf)
8.
INSTALL POWER STEERING OIL PRESSURE
SWITCH
(a) Coat the O-ring with power steering fluid and install
it onto the power steering oil pressure switch.
(b) Install the power steering oil pressure switch onto
the vane pump.
Torque: 21 N*m (214 kgf*cm, 15 ft.*lbf)
9.
INSTALL FLOW CONTROL VALVE
(a) Coat the compression spring and flow control valve
with power steering fluid.
(b) Install the compression spring and flow control
valve.
(c) Coat a new O-ring with power steering fluid and
install it onto the pressure port union.
(d) Install the pressure port union.
Torque: 69 N*m (704 kgf*cm, 51 ft.*lbf)
10. INSTALL POWER STEERING SUCTION PORT UNION
(a) Coat a new O-ring with power steering fluid, and
install it onto the suction port union.
(b) Install the suction port union with the bolt.
Torque: 12 N*m (122 kgf*cm, 9 ft.*lbf)
INSTALLATION
1.
INSTALL VANE PUMP
(a) Install the vane pump assembly with the 2 bolts.
Torque: 43 N*m (438 kgf*cm, 32 ft.*lbf)
(b) Install the wire harness clamp bracket with the bolt.
Torque: 8.0 N*m (82 kgf*cm, 71 in.*lbf)
(c) Connect the oil pressure switch connector.
NOTICE:
Make sure that no oil adheres to the connector.
F051277
F051260
C133829E01
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