How do you remove the knock sensor on the Chevrolet Cobalt,HHR and Saturn ION?

To remove the knock sensor, begin by turning off the ignition key and raising the front of the vehicle, securely supporting it on jackstands. If you're removing the front sensor, remove the alternator, and if you're removing the rear sensor, remove the starter motor.

Genuine Chevrolet HHR Knock Sensor

Engine Knock Sensor

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3 Knock Sensors found

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Chevrolet HHR Sensor Assembly, Knock
Part Number: 12636736
- Other Name: SENSOR, Distributor (also Knock Sensor); Camshaft Sensor, Knock Sensor
- Replaced by: 12729597
$18.32 MSRP: $34.56
You Save: $16.24 (47%)

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Fits the following Vehicles:
2011 Chevrolet HHR | 5 DOOR HIGH ROOF HATCHBACK, 5 DOOR HIGH ROOF HATCHBACK SS, 5 DOOR HIGH ROOF PANEL, 5 DOOR HIGH ROOF PANEL SS, 5 DOOR UPLEVEL HIGH ROOF HATCHBACK, 5 DOOR UPLEVEL HIGH ROOF PANEL | 4 Cyl 2.2L Flex, 4 Cyl 2.4L
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Chevrolet HHR Sensor,Knock
Part Number: 12621820
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaces: 12614342
$16.22 MSRP: $30.60
You Save: $14.38 (47%)

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More Info
Fits the following Vehicles:
2009-2010 Chevrolet HHR | 5 DOOR HIGH ROOF HATCHBACK, 5 DOOR HIGH ROOF HATCHBACK SS, 5 DOOR HIGH ROOF PANEL, 5 DOOR HIGH ROOF PANEL SS, 5 DOOR UPLEVEL HIGH ROOF HATCHBACK, 5 DOOR UPLEVEL HIGH ROOF PANEL | 4 Cyl 2.0L, 4 Cyl 2.2L Flex, 4 Cyl 2.4L
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Chevrolet HHR Sensor Assembly, Knock
Part Number: 12567711
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaces: 24577244, 12615500, 12589373
$28.27 MSRP: $53.34
You Save: $25.07 (48%)

Add to Cart
More Info
Fits the following Vehicles:
2006-2008 Chevrolet HHR | 5 DOOR HIGH ROOF HATCHBACK, 5 DOOR HIGH ROOF HATCHBACK SS, 5 DOOR HIGH ROOF PANEL, 5 DOOR UPLEVEL HIGH ROOF HATCHBACK, 5 DOOR UPLEVEL HIGH ROOF PANEL | 4 Cyl 2.0L, 4 Cyl 2.2L, 4 Cyl 2.4L
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Chevrolet HHR Knock Sensor Parts Questions & Answers

Sensor,Knock
12621820
Q: How do you remove the knock sensor on the Chevrolet Cobalt,HHR and Saturn ION?
A: To remove the knock sensor, begin by turning off the ignition key and raising the front of the vehicle, securely supporting it on jackstands. If you're removing the front sensor, remove the alternator, and if you're removing the rear sensor, remove the starter motor.