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.
4GR-FSE ENGINE CONTROL SYSTEM TORQUE SPECIFICATIONS
| Part Tightened | N*m | kgf*cm | ft*lbf |
|---|---|---|---|
| Throttle body assembly x Intake air surge tank assembly | 10 | 102 | 7 |
| V-bank cover sub-assembly x Intake air surge tank sub-assembly | 5.0 | 51 | 44 in*lbf |
| V-bank cover sub-assembly x V-bank cover bracket | 5.0 | 51 | 44 in*lbf |
| Knock sensor x Cylinder block sub-assembly | 20 | 204 | 15 |
| Intake manifold x Cylinder head sub-assembly | 21 | 214 | 15 |
| ECM x Engine room ECU box | 5.5 | 56 | 49 in*lbf |
| Engine room ECU cover x Engine room ECU box | 5.5 | 56 | 49 in*lbf |
| Accelerator pedal rod assembly x Body | 5.0 | 51 | 44 in*lbf |
| Cylinder head cover sub-assembly x Camshaft timing oil control valve (OCV) | 10 | 102 | 7 |
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.