Lexus RX300 (MCU15). Manual — part 516
R08702
Calipers
SR–26
–
STEERING
POWER STEERING VANE PUMP
LEXUS RX300 (RM785E)
4.
INSPECT SPRING
Using a vernier calipers, measure the free length of the spring.
Minimum free length: 32.3 mm (1.272 in.)
If it is not within the specification, replace the spring.
SR1CD–01
R11290
Vinyl Tape
W03541
Press
SST
Oil Seal
–
STEERING
POWER STEERING VANE PUMP
SR–27
LEXUS RX300 (RM785E)
REPLACEMENT
NOTICE:
When using a vise, do not overtighten it.
IF NECESSARY, REPLACE OIL SEAL
(a)
Using a screwdriver with vinyl tape wound around its tip,
remove the oil seal.
NOTICE:
Be careful not to damage the front housing.
(b)
Coat a new oil seal lip with power steering fluid.
(c)
Using SST, press in the oil seal.
SST
09950–60010 (09951–00330),
09950–70010 (09951–07100)
NOTICE:
Make sure that the oil seal is installed facing in the correct
direction.
SR062–04
R13458
Inscribed Mark
F04644
Round End
Gasket
R11292
SR–28
–
STEERING
POWER STEERING VANE PUMP
LEXUS RX300 (RM785E)
REASSEMBLY
NOTICE:
When using a vise, do not overtighten it.
1.
COAT PARTS INDICATED BY ARROWS WITH POWER
STEERING FLUID (See page SR–20)
2.
INSTALL 2 STRAIGHT PINS
Using a plastic hammer, tap in 2 new straight pins.
NOTICE:
Be careful not to damage the straight pins.
3.
INSTALL VANE PUMP SHAFT
4.
INSTALL CAM RING
Align the holes of the cam ring and 2 straight pins, 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)
Install a new snap ring to the vane pump shaft.
6.
INSTALL 10 VANE PLATES
Install the 10 vane plates with the round end facing outward.
7.
INSTALL GASKET
Install a new gasket facing the correct direction, as shown in the
illustration.
8.
INSTALL SIDE PLATE
Align the holes of the side plate and 2 straight pins, and install
the side plate.
9.
INSTALL WAVE WASHER
Install the wave washer so that its protrusions fit into the slots
in the side plate.
10.
INSTALL REAR HOUSING
(a)
Coat 2 new O–rings with power steering fluid and install
them to the rear housing.
(b)
Install the rear housing with the 4 bolts.
Torque: 24 N·m (240 kgf·cm, 17 ft·lbf)
R11986
SST
–
STEERING
POWER STEERING VANE PUMP
SR–29
LEXUS RX300 (RM785E)
11.
INSTALL SPRING, FLOW CONTROL VALVE AND
PRESSURE PORT UNION
(a)
Install the spring.
(b)
Install the flow control valve facing the correct direction
(See page SR–20).
(c)
Coat a new O–ring with power steering fluid and install it
to the pressure port union.
(d)
Install the pressure port union.
Torque: 83 N·m (850 kgf·cm, 62 ft·lbf)
12.
INSTALL SUCTION PORT UNION
(a)
Coat a new O–ring with power steering fluid and install it
to the suction port union.
(b)
Install the suction port union with the bolt.
Torque: 13 N·m (130 kgf·cm, 9 ft·lbf)
13.
INSTALL FRONT AND REAR BRACKETS
Install the front and rear brackets with the 3 bolts.
Torque: 43 N·m (440 kgf·cm, 32 ft·lbf)
14.
INSTALL VANE PUMP PULLEY
(a)
Install the vane pump pulley and nut to the vane pump
shaft.
(b)
Using SST, stop the pulley rotating and torque the nut.
SST
09960–10010 (09962–01000, 09963–01000)
Torque: 43 N·m (440 kgf·cm, 32 ft·lbf)
15.
MEASURE PS VANE PUMP ROTATING TORQUE
(See page SR–23)
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