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.
2011 Lexus LX 570FACTORY OEM SERVICE PROCEDURE
Knock Sensor: Removal: Removal
- REMOVE INTAKE MANIFOLD
- Remove the intake manifold. Refer to REMOVAL .
- REMOVE NO. 2 ENGINE COVER . Refer to REMOVAL - Step 6
- REMOVE NO. 1 ENGINE COVER . Refer to REMOVAL - Step 8
- REMOVE KNOCK SENSOR
- Disconnect the 4 knock sensor connectors.
- Remove the 4 bolts and 4 knock sensors.
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.