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 MANUALSCHEVROLET2010MALIBU L4-2.4L HYBRIDREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMKNOCK SENSORSERVICE AND REPAIR
2010 Chevrolet Malibu L4-2.4L Hybrid
Knock Sensor: Service and Repair
2010 Chevrolet Malibu L4-2.4L HybridSECTION Service and Repair
Knock Sensor Replacement
Removal Procedure
1. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Battery Negative Cable Disconnection and Connection).
2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle (Service and Repair).
3. Disconnect the engine wiring harness electrical connector (1) from the knock sensor pigtail electrical connector (6).
4. Remove the knock sensor electrical connector pigtail (6) clip from the oil level indicator tube bracket.
5. Remove the knock sensor bolt.
6. Remove the knock sensor.
Installation Procedure
Note: Rotate the pigtail 90 degrees from vertical before securing the fastener.
1. Install the knock sensor.
Caution: Refer to Fastener Caution (Fastener Caution).
2. Install the knock sensor bolt and tighten to 25 Nm (18 lb ft).
3. Install the knock sensor electrical connector pigtail (6) clip to the oil level indicator tube bracket.
4. Connect the engine wiring harness electrical connector (1) to the knock sensor pigtail electrical connector (6).
5. Lower the vehicle.
6. Connect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection (Battery Negative Cable Disconnection and Connection).
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.