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 SC 430FACTORY OEM SERVICE PROCEDURE
Engine Coolant Temperature Sensor: Removal
- DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to prevent airbag and seat belt pretensioner activation.
- REMOVE V-BANK COVER (See REMOVAL )
- REMOVE NO. 1 AIR CLEANER INLET (See REMOVAL )
- REMOVE INTAKE AIR CONNECTOR PIPE (See REMOVAL )
- REMOVE ENGINE COOLANT TEMPERATURE SENSOR
- Disconnect the sensor connector.
- Remove the sensor.
- Remove the gasket from the sensor.
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.
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