How to replace the Knock Sensor (KS) on Bank 1 on 2009 Cadillac STS?

To replace KS on Bank 1, one is supposed to turn off ignition and elevate and suspend the vehicle. Strap out the wiring harness heat shield for access, and disconnect the KS electrical connector, and removing KS bolt before taking out the KS. For install, install the new KS in place, observing fastener caution and attach with KS bolt 23 Nm (17 lb ft). Reconnect the KS electrical connector, replace the wiring harness heat shield into its original location, and lower the vehicle.

OEM 2009 Cadillac STS Knock Sensor

Engine Knock Sensor

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2 Knock Sensors found

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2009 Cadillac STS Knock Sensor
Part Number: 12623730
$13.47 MSRP: $25.30
You Save: $11.83 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Ignition Knock (Detonation) Sensor
- Replaces: 12570125
- Item Weight: 0.50 Pounds
- Item Dimensions: 2.7 x 2.5 x 1.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12623730
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS
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2009 Cadillac STS Knock Sensor
Part Number: 12729597
$19.41 MSRP: $36.46
You Save: $17.05 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Camshaft Sensor
- Replaces: 12692505, 12605738, 12636736
- Condition: New
- SKU: 12729597
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following 2009 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS

2009 Cadillac STS Knock Sensor

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2009 Cadillac STS Parts Questions & Experts Answers

Q: How to replace the Knock Sensor (KS) on Bank 1 on 2009 Cadillac STS?
A: To replace KS on Bank 1, one is supposed to turn off ignition and elevate and suspend the vehicle. Strap out the wiring harness heat shield for access, and disconnect the KS electrical connector, and removing KS bolt before taking out the KS. For install, install the new KS in place, observing fastener caution and attach with KS bolt 23 Nm (17 lb ft). Reconnect the KS electrical connector, replace the wiring harness heat shield into its original location, and lower the vehicle.

Related 2009 Cadillac STS Parts

Alternate Year Models

2008 Cadillac STS Knock Sensor 2010 Cadillac STS Knock Sensor