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.
2007 Lexus IS 350FACTORY OEM SERVICE PROCEDURE
Torque Specifications
WARNING: This page is about a different car, the 2007 Lexus IS 250. However, it is still accessible from the selected car via links, so may be relevant.
POWER STEERING TORQUE SPECIFICATIONS
| Part tightened | N*m | kgf*cm | ft*lbf |
|---|---|---|---|
| Steering wheel set nut | 50 | 510 | 37 |
| Steering rack end x Steering rack | 76 (103) | 775 (1,050) | 56 (76) |
| Power steering link assembly set bolts (for 2WD) | 118 | 1,200 | 87 |
| Power steering link assembly set bolts (for 4WD) | 102 | 1,038 | 75 |
| Power steering earth wire x Power steering link assembly | 5.0 | 51 | 44 in.lbf |
| Earth wire x Bracket | 8.0 | 82 | 71 in.lbf |
| Tie rod end x Steering knuckle | 65 | 663 | 48 |
| Steering rack end sub-assembly x Tie rod end | 56 | 570 | 41 |
| Steering intermediate shaft assembly No.2 x Power steering link assembly | 35 | 360 | 26 |
| Negative battery cable x Battery | 5.6 | 57 | 50 in.lbf |
| Positive battery cable x Battery | 5.6 | 57 | 50 in.lbf |
| Battery clamp set nuts | 2.9 | 30 | 26 in.lbf |
| Power steering ECU assembly set bolts | 5.0 | 51 | 44 in.lbf |
| ( ): For use without SST | |||
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.