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.
2012 Lexus IS 350 Base, AWDFACTORY OEM SERVICE PROCEDURE
Torque Specifications
| Part tightened | N*m | kgf*cm | ft.*lbf |
|---|---|---|---|
| Brake actuator assembly x Brake actuator bracket assembly | 5.4 | 55 | 48 in.*lbf |
| Brake actuator bracket assembly x Body | 19 | 194 | 14 |
| Brake actuator assembly x Brake tube | 14 (15) | 143 (155) | 10 (11) |
| Front speed sensor (for 4WD) | 8.5 | 87 | 75 in.*lbf |
| Rear speed sensor | 8.5 | 87 | 75 in.*lbf |
| Yaw rate and acceleration sensor | 15 | 148 | 11 |
(): without union nut wrench
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.