How to service the knock sensor on 2004 Chevrolet Cavalier?

In order to service the knock sensor, disconnect the KS harness, remove the retaining bolt and sensor. On reinstallation, clean threaded surfaces, install the sensor, torque the bolt to 25 Nm (18 lb ft) and then reconnect the harness then lastly install starter to finish the job safely.

OEM 2004 Chevrolet Cavalier Knock Sensor

Engine Knock Sensor

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2004 Chevrolet Cavalier Knock Sensor Part Number: 12567711
$28.40 MSRP: $53.34
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaced by: 19434674
- Replaces: 12589373, 24577244, 12615500
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.2 x 7.0 x 1.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12567711
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Cavalier Submodels:
- Base, LS, LS Sport, Z24 | 4 Cyl 2.2 L GAS, 4 Cyl 2.4 L GAS

2004 Chevrolet Cavalier Knock Sensor

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2004 Chevrolet Cavalier Knock Sensor Parts and Q&A

Q: How to service the knock sensor on 2004 Chevrolet Cavalier?
A: In order to service the knock sensor, disconnect the KS harness, remove the retaining bolt and sensor. On reinstallation, clean threaded surfaces, install the sensor, torque the bolt to 25 Nm (18 lb ft) and then reconnect the harness then lastly install starter to finish the job safely.