How to replace the knock sensor on a Buick Enclave,Chevrolet Traverse and GMC Acadia?

Lift the vehicle and secure on jackstands. For the rear cylinder bank (Bank 1), remove the engine block heat shield. For the front cylinder bank (Bank 2), remove the oil filter. On 2009+ models, remove the catalytic converter to access Bank 2 sensor. Disconnect the knock sensor connector and remove the retaining bolt. Unscrew the bolt and remove the sensor. To install, reverse these steps and tighten the bolt to the specified torque.

Genuine GMC Acadia Knock Sensor

Engine Knock Sensor

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5 Knock Sensors found

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GMC Acadia Sensor Assembly, Knock
Part Number: 12636736
$18.82 MSRP: $35.50
You Save: $16.68 (47%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Camshaft Sensor, Knock Sensor
- Replaced by: 12729597
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2021 GMC Acadia | DENALI SUV, SLE SUV, SLE2 & ALL TERRAIN SUV, SLE2 SUV, SLT & ALL TERRAIN SUV, SLT SUV, SLT2 SUV, SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD, SPORT UTILITY VEHICLE AWD | 6 Cyl 3.6L
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GMC Acadia Sensor Assembly, Knock
Part Number: 12623095
$22.26 MSRP: $42.02
You Save: $19.76 (48%)
Ships in 1-3 Business Days
ADD TO CART
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:
- 2017-2021 GMC Acadia | SLE SUV, SLE2 & ALL TERRAIN SUV, SLE2 SUV, SLT & ALL TERRAIN SUV, SLT SUV | 4 Cyl 2.5L
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GMC Acadia 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:
- 2007-2008 GMC Acadia | SPORT UTILITY VEHICLE 2WD, SPORT UTILITY VEHICLE 4WD | 6 Cyl 3.6L
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GMC Acadia Sensor Assembly, Knock
Part Number: 12663209
$3.91 MSRP: $7.37
You Save: $3.46 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Knock Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2021 GMC Acadia | DENALI SUV, SLE SUV, SLT SUV | 4 Cyl 2.0L
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GMC Acadia Sensor Assembly, Knock
Part Number: 55503494
$14.06 MSRP: $25.20
You Save: $11.14 (45%)
Product Specifications
- Other Name: Knock Sensor
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2020-2021 GMC Acadia | DENALI SUV, SLE SUV, SLT SUV | 4 Cyl 2.0L

GMC Acadia Knock Sensor Parts Questions & Experts Answers

Sensor Assembly, Knock
12618603
Q: How to replace the knock sensor on a Buick Enclave,Chevrolet Traverse and GMC Acadia?
A: Lift the vehicle and secure on jackstands. For the rear cylinder bank (Bank 1), remove the engine block heat shield. For the front cylinder bank (Bank 2), remove the oil filter. On 2009+ models, remove the Catalytic Converter to access Bank 2 sensor. Disconnect the knock sensor connector and remove the retaining bolt. Unscrew the bolt and remove the sensor. To install, reverse these steps and tighten the bolt to the specified torque.