Vane Pump

REMOVAL

Remove the parts in the numerical order shown in the figure.

Fig. 8-315

Fig. 8-315

Fig. 8-316

Before releasing tension of the drive belt, loosen the pulley nut.

Fig. 8-317

Disconnect the pressure hose with SST. SST [09631-22020]

DISASSEMBLY

Disassemble the parts in the numerical order shown in the figure.

Fig. 8-318

09631 22020

1.

Drive Pulley

5.

Slipper, Spring Seat &

2.

Fluid Reservoir

Spring

3.

Front Housing

6.

Fixed Ring

4.

Rotor Shaft

7.

Flow Control Valve

8.

Rear Housing

Sst 09631 22020

Attach SST to the vane pump and hold it in a vice.

SST (09631-00030) of set [09630-00010]

Attach SST to the vane pump and hold it in a vice.

SST (09631-00030) of set [09630-00010]

Fig. 8-320

Sst 09631 22020

0 After affixing matchmarks, remove only the front housing with a soft hammer.

Do not pull out the rotor and fixed ring. Do not allow the slippers and springs to fly out.

Fig. 8-321

Fig. 8-321

Remove the rotor shaft.

Fig. 8-322

Confirm the numbers of each part.

Slipper Spring

3. Spring seat

Fig. 8-323

0 Remove the rear housing from the fixed ring with soft hammer.

STEERING - Power Steering 8-113

Fig. 8-324

Remove the flow control valve plug in numerical order as shown in the figure below.

8-325

8-325

Fig. 8-326

INSPECTION & REPAIR Rotor Shaft

1 Inspect the following for wear or damage.

(1) Oil seal tip contact surface

(2) Bushing contact surface

(3) Slipper contact surface

(4) Side plate contact surface

Fig. 8-326

Fig. 8-327

Measure overall length of the rotor and fixed ring.

Fixed ring length - Rotor length:

Limit

Fig. 8-327

Slipper & Spring

1. Inspect the surface of the slipper for wear or damage.

Thickness:

Limit

Length: STD

w/mark

Fig. 8-328

39.940 mm (1.5724 in.) w/o mark 39.945 mm (1.5726 in.) Limit 39.920 mm (1.5717 in.) Measure the free height of the spring. Free height:

STD 14 mm

Side Plate

Inspect the following for wear or damage.

1. Rotor contact surface

2. Slippers contact surface

Fig. 8-330

Fig. 8-330

Housing

1. Inspect the bushings for wear or damage.

Dibujos Galaxia
Fig. 8-332

2. Measure the clearance between the rotor shaft and the front housing. Clearance:

STD 0.010-0.015 mm

3. Measure the clearance between the rotor shaft and the rear housing. Clearance:

STD 0.010-0.015 mm

Fig. 8-333

Fig. 8-333

Fig. 8-334
Fig. 8-335

Flow Control Valve

1. Inspect the following for wear or damage.

(1) Flow control valve

(2) Inner surface of the control valve housing

2. Measure free height of the spring.

Free height: STD 50mm

3. Pressure leakage test

(1) Install the flow control valve to SST. SST [09630-30030]

(2) Pour cleaning oil into the center hole of the locking nut.

(3) Apply compressed air (4-5 atmospheres) to the air hole joint.

(4) If bubbles can be seen coming out through the center of the valve, there is pressure leakage.

Fig. 8-336

Replace The Front Housing Oil Seal

1. Remove the oil seal with a screwdriver.

2. Install a new oil seal with SST.

SST (09632-00010) of set [09630-00010]

Fig. 8-337

ASSEMBLY

Assemble the parts in the numerical order shown in the figure.

Fig. 8-337

Prius Flow Control Valve

1. Rear Housing

2. Flow Control Valve

4. Fixed Ring 5 Rotor Shaft

6. Slipper, Spring Seat & Spring

7 Front Housing, Side Plate & 0 Ring

8. Fluid Reservoir & 0 Ring

9. Drive Pulley

Fig. 8-338

Attach SST to the rear housing and hold it in a vice.

SST (09631-00030) of set [09630-00010]

Fig. 8-339

Fig. 8-339

A Be sure the identifying mark on the valve matches the identifying mark scribed on the rear of the pump body.

Fig. 8-340

Fig. 8-340

Fig. 8-341

Fig. 8-342

To assemble, place the side plate with the larger bevelled width facing towards the housing side.

Fig. 8-341

Using the two bolts as a guide, drive in the fixed ring evenly with a soft hammer.

Select a fixed ring, rotor shaft and slipper with !\ matching identifying marks.

Identifying marks: Nothing or 2

0 Compress the spring with the slipper and spring seat and install.

Position the slipper notch in the direction shown in the figure.

Fig. 8-344

Fig. 8-344

Fig. 8-345

To assemble, place the side plate with the larger bevelled width facing towards the housing side.

0Fit the front housing, and position the mark as is shown in the figure.

Fig. 8-346

Fig. 8-346

Sst 09631 22020

Tighten evenly in three or four rotations. Tightening torque: 3.3-4.2 kg-m (24-30 ft-lb) 2 small bolts behind the reservoir: 0.4-0.7 kg-m (35-60 in.-lb)

Sst 09631 22020

Check the preload at the pulley. Preload (while turning):

INSTALLATION

Install the parts in the numerical order shown in the figure.

Fig. 8-348

Fig. 8-348

Sst 09631 22020
Fig. 8-349

Connect the pressure hose with SST. SST [09631-22020]

Fig. 8-350

Tighten the pulley set nut securely.

Fig. 8-351

11-14 mm (at 10 kg)

Adjust the drive belt tension.

Fig. 8-352

Fig. 8-352

Sst 09631 22020

Fill with fluid.

Fig. 8-353

Fill with fluid.

Fluid: ATF type Dexron

Capacity: Vane pump 300cc

Bleed the system.

Fig. 8-353

Fig. 8-354

Boost the fluid pressure to check for fluid leakage.

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    How to repair power steering pump on landcruiser?
    5 years ago

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