How to replace the Knock Sensor (KS) for Bank 2 on 2008 Cadillac STS?

Start by turning OFF ignition power followed by vehicle liftering and supporting before proceeding. First access the KS by removing both the wiring harness heat shield covering the oil level indicator tube and then disconnecting the KS electrical connector and removing the KS bolt to later extract the KS. Proceed with installation by placing the new KS in its designated place while strictly following the Fastener Notice recommendations. Secure the KS with the bolt while tightening it to 23 N.m (17 lb ft) then reconnect the KS electrical connector and reattach the wiring harness heat shield to the oil level indicator tube before dropping the vehicle.

OEM 2008 Cadillac STS Knock Sensor

Engine Knock Sensor

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2008 Cadillac STS Knock Sensor
Part Number: 12618603
$37.07 MSRP: $69.61
You Save: $32.54 (47%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor); Ignition Knock (Detonation) Sensor
- Replaces: 12566845
- Item Weight: 0.40 Pounds
- Item Dimensions: 2.6 x 2.6 x 2.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12618603
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2008 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2008 Cadillac STS Knock Sensor
Part Number: 12623730
$13.47 MSRP: $25.30
You Save: $11.83 (47%)
Ships in 1-2 Business Days
ADD TO CART
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.
More Info
Fits the following 2008 Cadillac STS Submodels:
- Base, Platinum, V | 8 Cyl 4.4 L GAS, 8 Cyl 4.6 L GAS

2008 Cadillac STS Knock Sensor

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2008 Cadillac STS Parts Questions & Experts Answers

Q: How to replace the Knock Sensor (KS) for Bank 2 on 2008 Cadillac STS?
A: Start by turning OFF ignition power followed by vehicle liftering and supporting before proceeding. First access the KS by removing both the wiring harness heat shield covering the oil level indicator tube and then disconnecting the KS electrical connector and removing the KS bolt to later extract the KS. Proceed with installation by placing the new KS in its designated place while strictly following the Fastener Notice recommendations. Secure the KS with the bolt while tightening it to 23 N.m (17 lb ft) then reconnect the KS electrical connector and reattach the wiring harness heat shield to the oil level indicator tube before dropping the vehicle.

Related 2008 Cadillac STS Parts

Alternate Year Models

2007 Cadillac STS Knock Sensor 2009 Cadillac STS Knock Sensor