Steering Gear Housing Fj Bj Hj Series

REMOVAL

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

Fig. 8-209

Landcruiser Steering Rack

Main Shaft Pitman Arm Gear Housing

STEERING COLUMN & MAIN SHAFT REMOVAL SECTION Fig. 8-140 to 8-142

Remove the steering wheel and main shaft.

Fig. 8-211

Fig. 8-211

Remove the pitman arm with SST. SST [09610-55012]

DISASSEMBLY

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

Fig. 8-212

Fig. 8-214

Hho Parts For Assembly

Fig. 8-214

1. Lock Nut

2. End Cover, Gasket & Adjusting Bolt

3. Sector Shaft

5. Bearing & Worm Shaft

6. Housing

Fig. 8-213

Fig. 8-214

Fig. 8-215

Shims

Screw in the bolt and remove the cover. - Note -

Use a receiver to catch the oil from the gear housing.

Fig. 8-214

Pull the sector shaft out of the housing.

Have the sector shaft positioned at its rota-

Fig. 8-215

Shims

Land Cruiser Sector Shaft

Record the number of shims used.

Remove the worm assembly.

Record the number of shims used.

Remove the worm assembly.

1. Keep the bearings in proper order so that they can be ressembled to their j initial positions.

2. Do not attempt to disassemble the steering worm assembly. If any part of it is defective, replace the entire assembly.

3. Do not run the ball nut to the worm end.

Fig. 8-217

Fig. 8-217

INSPECTION

Wash the disassembled parts and inspect them on the following points. Replace any part found defective.

Fig. 8-218

Fig. 8-218

Steering Worm & Bearing

1. Inspect the bearings for wear or damag.

2. Inspect the worm threads and ball nut rack for or wear damage.

3. Check the turning condition of the ball nut.

SST

Fig. 8-220

Replace The Worm Bearing Outer Race

1. Remove the outer race at housing end with SST.

SST [09612-65013]

Fig. 8-220

Remove the outer race at end cover end with SST.

SST [09612-30012]

Fig. 8-222

Fig. 8-224

3. Install the outer race at housing end with SST.

SST [09608-35013]

Steering Outer Race Installer

Fig. 8-224

04. Install the outer race at end cover end with SST.

SST [09608-35013]

0 Replace The Inner Race

1. Force out the inner race with a press.

2. Press in the inner race, using SST. I++I SST [09620-30010]

Fig. 8-225

Fig. 8-225

Fig. 8-226
Sector Shaft Seal Replacement

Sector Shaft & Bushing

1. Inspect the shaft at bushing contacting surfaces and at gear teeth for wear or damage.

Inspect the bushings for wear or damage.

2. Check the sector shaft oil clearance (A

Oil clearance: Limit 0.1 mm

Fig. 8-227

Fig. 8-227

Fig. 8-228

Check the sector shaft oil clearance (A B).

Oil clearance: Limit 0.1 mm

0 Replace The Gear Housing

1. Remove the oil seal.

2. Press out the two bushings at the same time in the same direction with SST. SST [09307-12010]

Sector Shaft Seal Replacement

3. Press in the bushings from each end of the gear housing with SST. SST [09307-12010]

4. Hone the bushings with a pin hole grinder or similar means until standard oil clearance is obtained between the bushings and the sector shaft.

Oil clearance:

5. Install the oil seal.

6. Measure the sector shaft thrust clearance, and select a thrust washer that will provide minimum clearance between the sector shaft and the adjusting screw.

Thrust clearance Limit 0.05 mm

Thrust washer thickness mm (in.)

Part No.

Mark

Thickness

45352-36010

1

2.00 (0.0787)

45353-36010

2

2.05 (0.0807)

45354-36010

3

2.10 (0.0827)

45355-36010

4

2.15 (0.0846)

45356-36010

5

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

Fig. 8-232

3 Fig. 8-233 8-234

1. Housing

2. Bearing & Worm Shaft

4. Sector Shaft

5. Adjusting Bolt

6. End Cover, Gasket & Bolt

7. Lock Nut

Fig. 8-233

Fig. 8-233

Fig. 8-234

Install the cover over the same amount of shims removed at disassembly, and tighten the cover bolts at specified torque.

1. Have the worm bearing lubricated with gear oil.

2. While tightening the cover bolts, keep checking the worm to see that it will turn properly.

Measure the worm bearing preload. SST [09616-00010]

Read the scale just when the worm starts to turn.

If the preload is not within the specified limits, correct by selecting proper thickness shim.

Sh im thickness mm (in.)

Part No.

Mark

Thickness

45323-36010

1

0.05 (0.0020)

45323-36020

2

0.07 (0.0028)

45323-36030

3

0.08 (0.0031)

45323-36040

4

0.10 (0.0039)

45323-36050

5

0.20 (0.0079)

45323-36060

6

0.50 (0.0197)

45323-36070

7

0.06 (0.0024)

45323-36080

8

0.09 (0.0035)

Fig. 8-235

Fig. 8-235

Position the worm ball nut at the center and insert the sector shaft.

Make sure that the worm ball nut and the sector are meshing together at the center.

Fig. 8-236

Loosen the adjusting bolt all the way, and install the cover.

Loosen the adjusting bolt all the way, and install the cover.

Fig. 8-237

Fig. 8-237

Fig. 8-238
fi

Tighten the cover bolts at the specified torque. Tightening torque: 3.0 — 4.5 kg-m (22 - 32 ft-lb)

Set the worm shaft preload to the specified value by means of the adjusting bolt. Preload: 8.0 - 11.0 kg-cm (6.9 - 9.5 in.-lb)

Measurement should be made with the meshing positioned at the center.

Install the pitman arm and check to see that there is no backlalsh when the worm is rotated within 45 degrees to either side from center position.

Tighten the adjusting screw lock nut. - Note -

After tightening, recheck the preload.

INSTALLATION

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

Fig. 8-240

Fig. 8-240

1 Gear Housing

2 Pitman Arm 3. Main Shaft

Fig. 8-241

Fig. 8-241

Fig. 8-242

Tighten the bolts and nuts at the specified torque.

Fig. 8-242

Toyota Series

Align the matchmarks on the pitman arm and sector shaft.

Fig. 8-243

Fig. 8-243

Cruiser Gear

Fig. 8-244

Tighten at specified torque.

Tightening torque: 16.5-19.5 kg-m (120 - 141 ft-lb)

Fill in gear oil. Capacity:

STD 610 cc

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Responses

  • Silke Probst
    HOW DO YOU TIGHTEN STEERING BOX ON A 1979 HJ TOYOTA LAND CRUISER?
    5 years ago

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