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.
2005 Lexus SC 430FACTORY OEM SERVICE PROCEDURE
Torque Specification
Torque Specification Table - Engine Control System
| Part tightened | N.m | kgf.cm | ft.lbf | |
|---|---|---|---|---|
| Throttle body x Intake manifold | 18 | 184 | 13 | |
| Intake air connector pipe x Intake manifold | for hose clamp | 4.0 | 41 | 35 in.lbf |
| for bolt | 5.0 | 51 | 44 in.lbf | |
| V-Bank cover x V-Bank cover bracket | 5.0 | 51 | 44 in.lbf | |
| RH camshaft oil control valve x Cylinder head | 8.5 | 87 | 75 in.lbf | |
| LH camshaft oil control valve x Cylinder head | 8.5 | 87 | 75 in.lbf | |
| ECM x ECM box | 5.5 | 56 | 48 in.lbf | |
| Knock sensor x Cylinder block | 44 | 449 | 32 | |
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:
- • 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.
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