Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2006 Lexus LS 430FACTORY OEM SERVICE PROCEDURE
Torque Specification
TORQUE SPECIFICATION
| Part tightened | N.m | kgf.cm | ft.lbf |
|---|---|---|---|
| VANE PUMP ASSY | Β | Β | Β |
| Housing front at Housing rear | 22 | 225 | 16 |
| Pressure feed tube assy joint | 40 | (44) 410 (450) | 30 (33) |
| Pressure feed tube assy set union bolt | 49 | 500 | 36 |
| Pressure port union | 69 | 705 | 51 |
| Suction port union set bolt | 12 | 125 | 9 |
| Vane pump bracket | 30 | 310 | 22 |
| Vane pump assy set bolt | 39 | 400 | 29 |
| Vane pump assy set nut | 43 | 440 | 32 |
| POWER STEERING GEAR ASSY | Β | Β | Β |
| Control valve housing at Rack housing | 18 | 185 | 13 |
| Self-locking nut | 59 | 600 | 44 |
| Rack housing cap | 69 | 705 | 51 |
| Rack guide spring cap nut | 50(69) | 510(705) | 37(51) |
| Rack end sub-assy at Power steering rack | 95(127) | 970(1.300) | 70(94) |
| Lower ball joint at Tie rod end assy | 59 | 600 | 44 |
| Tie rod end assy lock nut | 56 | 570 | 41 |
| Pressure control valve at Control valve housing | 18 | 185 | 13 |
| Turn pressure tube union nut | 23(25) | 235(255) | 17(18) |
| Turn pressure tube union bolt | 34 | 350 | 25 |
| Intermediate shaft at Control valve shaft | 35 | 360 | 26 |
| Pressure feed tube assy union bolt | 49 | 500 | 36 |
| Return tube sub-assy union bolt | 49 | 500 | 36 |
| Sliding w/shaft yoke at Intermediate shaft | 35 | 360 | 26 |
| Power steering gear assy set nut | 118 | 1,205 | 87 |
| Steering wheel set nut | 50 | 510 | 37 |
| Wheel nut | 103 | 1,050 | 76 |
| POWER STEERING ECU ASSY | Β | Β | Β |
| Bracket set nut | 5.5 | 56 | 48 in.lbf |
( ): For use without SST
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
