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.
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HOMESERVICE MANUALSJEEP2009COMMANDER OVERLAND, 4WDREPAIR AND DIAGNOSISENGINE PERFORMANCEIGNITION SYSTEMIGNITION CONTROL (SERVICE INFORMATION)SENSOR, KNOCKREMOVAL5.7L
2009 Jeep Commander Overland, 4WD
SENSOR, Knock: Removal: 5.7L
2009 Jeep Commander Overland, 4WDSECTION 5.7L
Two knock sensors (1) are used. Each sensor is bolted to the outside of the cylinder block below the exhaust manifold (3).
- Raise the vehicle.
- Disconnect the knock sensor electrical connector (5).
- Remove the knock sensor mounting bolt (2).NOTE: Note the foam strip on bolt threads. This foam strip is used only to retain the bolts to the sensors for plant assembly. It is not used as a sealant. Do not apply any adhesive, sealant or thread locking compound to these bolts.
- Remove the knock sensor (1) from the engine.
RENDER: 1.0x
NO RELATED
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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.