Knock Sensor: Service and Repair

2013 Chevrolet Cruze L4-1.8LSECTION Service and Repair



Knock Sensor Replacement

Removal Procedure

1. Open the hood.

2. Disconnect the negative cable from the battery. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.





3. Remove the 2 intake manifold bracket bolts (2, 3).

4. Unclip the wiring harness.

5. Remove the intake manifold bracket (1).





6. Remove the sensor bolt (1).

7. Disconnect the wiring harness plug.

8. Remove the knock sensor (2) from the bracket (3).

Installation Procedure





1. Install the knock sensor (2) to the bracket (3).

Caution:
Refer to Fastener Caution Fastener Caution

2. Install the sensor bolt (1) and tighten to 20 Nm (15 lb ft).

3. Connect the wiring harness plug.





4. Install the intake manifold bracket (1).

5. Clip in the wiring harness.

6. Install the 2 intake manifold bracket bolts (2, 3) and tighten to 8 Nm (71 lb in).

7. Connect the negative cable to the battery. Refer to Battery Negative Cable Disconnection and Connection Battery Negative Cable Disconnection and Connection.

8. Close the hood.

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.