Lexus GS300/400 (2000 year). Manual — part 228
F02549
Vane Pump Pulley
Vane Pump Shaft
Front Housing
Spring
Flow Control
Valve
Rear Housing
Ware Washer
Cam Ring
x10
Vane Pump Rotor
Vane Plate
Side Plate
Gasket
Bearing
Snap Ring
Snap Ring
Oil Seal
O–Ring
O–Ring
Straight Pin
Solenoid Valve
Oil Reservoir
O–Ring
13 (130, 9)
24 (240, 17)
43 (440, 32)
69 (700, 51)
*51 (524, 38)
24 (240, 17)
N·m (kgf·cm, ft·lbf)
: Specified torque
Non–reusable part
Power steering fluid
* For use with SST
SR–20
–
STEERING
POWER STEERING VANE PUMP (2JZ–GE)
2190
SR0DF–03
SR–2
–
STEERING
TROUBLESHOOTING
2172
TROUBLESHOOTING
PROBLEM SYMPTOMS TABLE
Use the table below to help you find the cause of the problem. The numbers indicate the priority of the likely
cause of the problem. Check each part in the order shown. If necessary, repair or replace these parts.
Symptom
Suspect Area
See page
Hard steering
3. Tires (Improperly inflated)
4. Power steering fluid level (Low)
5. Drive belt (Loose)
6. Front wheel alignment (Incorrect)
7. Steering system joints (Worn)
8. Suspension arm ball joints (Worn)
9. Steering column (Binding)
10.Power steering gear
11.PPS system
–
–
–
Poor return
1. Tires (Improperly inflated)
2. Front wheel alignment (Incorrect)
3. Steering column (Binding)
4. Power steering gear
–
Excessive play
1. Steering system joints (Worn)
2. Suspension arm ball joints (Worn)
3. Intermediate shaft, Universal joint, Sliding yoke (Worn)
4. Front wheel bearing (Worn)
5. Power steering gear
6. PPS system
–
–
Abnormal noise
1. Power steering fluid level (Low)
2. Steering system joints (Worn)
3. Power steering gear
–
HINT:
When the problem occurs on the power tilt and telescopic steering system, refer to the DI section.
(See page
SR0DR–01
R06091
F02556
–
STEERING
POWER STEERING VANE PUMP (2JZ–GE)
SR–21
2191
REMOVAL
1.
REMOVE ENGINE UNDER COVER
Remove the 16 bolts.
2.
REMOVE DRIVE BELT
Loosen the drive bolt tension by turning the drive belt tensioner
clockwise, and remove the belt.
3.
REMOVE RETURN HOSE
Remove the clip and disconnect the hose.
4.
REMOVE PRESSURE FEED TUBE
Remove the union bolt and gasket.
5.
REMOVE PS VANE PUMP ASSEMBLY
(a)
Disconnect the connector.
(b)
Remove the 2 bolts.
SR0DS–01
F02544
F02545
SST
F02547
SST
W01277
Vane Pump
Press
Vinyl Tape
Front Housing
Oil Seal
Bearing
Shaft
SR–22
–
STEERING
POWER STEERING VANE PUMP (2JZ–GE)
2192
DISASSEMBLY
NOTICE:
When using a vise, do not overtighten it.
1.
MEASURE PS VANE PUMP ROTATING TORQUE
(a)
Check that the pump rotates smoothly without abnormal
noise.
(b)
Using a torque wrench, check the pump rotating torque.
Rotating torque:
0.25 N·m (2.5 kgf·cm, 2.2 in.·lbf) or less
2.
REMOVE VANE PUMP PULLEY
Using SST to stop the pulley rotating, remove the pulley set nut.
SST
09960–10010 (09962–01000, 09963–01000)
3.
REMOVE OIL RESERVOIR
(a)
Remove the 3 bolts and oil reservoir.
(b)
Remove the O–ring from the oil reservoir.
4.
REMOVE SOLENOID VALVE
(a)
Using SST, remove the valve.
SST
09922–10010
NOTICE:
Use SST 09922–10010 in the direction shown in the illustra-
tion.
(b)
Remove the O–ring from the valve.
5.
REMOVE FLOW CONTROL VALVE AND SPRING
6.
REMOVE REAR HOUSING
(a)
Remove the 2 bolts.
(b)
Remove the 2 O–rings from the housing.
7.
REMOVE WAVE WASHER
8.
REMOVE SIDE PLATE
9.
REMOVE CAM RING, 10 VANE PLATES AND VANE
PUMP ROTOR
NOTICE:
Be careful not to drop the plate.
10.
REMOVE STRAIGHT PINS
Remove the 2 pins from the front housing.
11.
REMOVE GASKET
12.
REMOVE VANE PUMP SHAFT WITH BEARING
(a)
Using snap ring pliers, remove the snap ring from the front
housing.
(b)
Wind vinyl tape on the serrated part of the vane pump
shaft.
(c)
Press out the shaft with the bearing.
NOTICE:
Be careful not to damage the oil seal lip.
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