How do you remove and install knock sensors on Cadillac CTS?

To remove the knock sensors, first disconnect the cable from the negative battery terminal and raise the vehicle, supporting it securely on jackstands while removing the engine compartment under-cover. For V6 engines, to access the Bank 1 knock sensor, remove the alternator, and for the Bank 2 knock sensor, remove the power steering pump and bracket. On other V6 engines, the Bank 1 knock sensor is located on the right side of the engine block below the exhaust manifold, and the Bank 2 knock sensor is on the left side in front of the starter. Disconnect the electrical connector from the knock sensor, then remove the bolt in the center and take out the sensor. For 5.7L V8 engines, remove the intake manifold, detach the grommets from the valley cover, disconnect the electrical connectors from the knock sensors, and remove the wiring harness before unscrewing the sensors from the engine block. In 6.0L and 6.2L V8 engines, the Bank 1 knock sensor is on the left side in front of the oil filter housing, while the Bank 2 sensor is on the right side in front of the starter. Disconnect the electrical connector, remove the bolt, and take out the knock sensor. Installation is the reverse of removal, ensuring to tighten the knock sensor bolt to the specified torque.

Genuine Cadillac CTS Knock Sensor

Engine Knock Sensor

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6 Knock Sensors found

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Cadillac CTS Sensor,Knock
Part Number: 12589867
$63.12 MSRP: $131.06
You Save: $67.94 (52%)
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Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaces: 10456603
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2005 Cadillac CTS | V 4 DOOR | 8 Cyl 5.7L
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Cadillac CTS Sensor Assembly, Knock
Part Number: 12623730
$13.41 MSRP: $25.30
You Save: $11.89 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaces: 12570125
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2015 Cadillac CTS | V 2 DOOR COUPE, V 4 DOOR, V 4 DOOR SEDAN, V 4 DOOR WAGON | 8 Cyl 6.2L
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Cadillac CTS Sensor Assembly, Knock
Part Number: 12623095
$22.26 MSRP: $42.02
You Save: $19.76 (48%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2014-2019 Cadillac CTS | 4 DOOR PERFORMANCE SEDAN, 4 DOOR PLUS SEDAN, 4 DOOR PREMIUM SEDAN, 4 DOOR SEDAN, 4 DOOR V-SERIES SEDAN | 4 Cyl 2.0L, 8 Cyl 6.2L
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Cadillac CTS Sensor Assembly, Knock
Part Number: 12618603
$36.90 MSRP: $69.61
You Save: $32.71 (47%)
Ships in 1 Business Day
ADD TO CART
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaces: 12566845
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2009 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 2.8L, 6 Cyl 3.6L
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Cadillac CTS SENSOR ASM-KNOCK
Part Number: 12729597
$18.82 MSRP: $35.50
You Save: $16.68 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Camshaft Sensor, Knock Sensor
- Replaces: 12692505, 12605738, 12636736
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2019 Cadillac CTS | 2 DOOR COUPE, 4 DOOR, 4 DOOR (RHD), 4 DOOR PERFORMANCE SEDAN, 4 DOOR PLUS SEDAN, 4 DOOR PREMIUM SEDAN, 4 DOOR RHD, 4 DOOR SEDAN, 4 DOOR SEDAN(RHD), 4 DOOR STATION WAGON, 4 DOOR STATION WAGON(RHD), 4 DOOR WAGON, 4 DOOR WAGON(RHD) | 6 Cyl 3.0L, 6 Cyl 3.6L
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Cadillac CTS Sensor,Knock
Part Number: 90530434
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2003-2004 Cadillac CTS | 4 DOOR, 4 DOOR RHD, 4 DOOR(RHD), V 4 DOOR | 6 Cyl 3.2L

Cadillac CTS Knock Sensor

Cadillac CTS vehicles contain the Knock Sensor, which is an essential tool for the engine since it is a reflexive measure of engine knock or when ignition timing is off. This device communicates with the powertrain control module (PCM) so that it can alter the ignition timing so as to reduce excess detonation. Commonly Cadillac CTS employs piezoelectric knock sensors that are capable of constant pressure fluctuations analysis in relation to knocking frequency and pressure peaks. Cadillac CTS has used boost pressure strategies for the current and past model years with diverse knock sensor with the ability to balance ignition timing for cylinders and adjust boost pressure depending on the design of the engine. This guarantees smooth running of the engine while at the same time shielding it from possible detriment due to use of low grade fuel. The Cadillac CTS Knock Sensor system represents the modern tendencies of engines management keeping the optimal power and durability when driving under different conditions.

Each OEM Cadillac CTS Knock Sensor we offer is competitively priced and comes with the assurance of the manufacturer's warranty for the part. Furthermore, we guarantee the speedy delivery of your orders right to your doorstep. Our hassle-free return policy is also in place for your peace of mind.

Cadillac CTS Knock Sensor Parts Questions & Experts Answers

Sensor Assembly, Knock
12618603
Q: How do you remove and install knock sensors on Cadillac CTS?
A: To remove the knock sensors, first disconnect the cable from the negative battery terminal and raise the vehicle, supporting it securely on jackstands while removing the engine compartment under-cover. For V6 engines, to access the Bank 1 knock sensor, remove the alternator, and for the Bank 2 knock sensor, remove the power steering pump and bracket. On other V6 engines, the Bank 1 knock sensor is located on the right side of the engine block below the exhaust manifold, and the Bank 2 knock sensor is on the left side in front of the starter. Disconnect the electrical connector from the knock sensor, then remove the bolt in the center and take out the sensor. For 5.7L V8 engines, remove the intake manifold, detach the grommets from the valley cover, disconnect the electrical connectors from the knock sensors, and remove the wiring harness before unscrewing the sensors from the engine block. In 6.0L and 6.2L V8 engines, the Bank 1 knock sensor is on the left side in front of the oil filter housing, while the Bank 2 sensor is on the right side in front of the starter. Disconnect the electrical connector, remove the bolt, and take out the knock sensor. Installation is the reverse of removal, ensuring to tighten the knock sensor bolt to the specified torque.