How to replace the Knock Sensor (KS) 1 on 2005 Cadillac STS?

To replace the Knock Sensor (KS) 1, one will have to pull off the intake valve, remove the knocked sensor (KS) electrical connector as well as remove the ks bolt before removing the ks. Next time clean the mating surfaces of the ks and the engine block carefully make sure that all the contact of the ks is directly on the engine block. Installing the ks and bolt, should not apply washers and even spring washers or toothed waskers, to tighten the bolt to 20n.m (15 lb ft). Make sure wiring harness is installed properly, it is attached using a number of retaining clips, then install the ks electrical connector and lastly re-install the Intake Manifold.

OEM 2005 Cadillac STS Knock Sensor

Engine Knock Sensor

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2005 Cadillac STS Knock Sensor
Part Number: 12618603
$37.07 MSRP: $69.61
You Save: $32.54 (47%)
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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 2005 Cadillac STS Submodels:
- Base, Platinum | 6 Cyl 3.6 L GAS
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2005 Cadillac STS Knock Sensor
Part Number: 12567446
$26.64 MSRP: $50.00
You Save: $23.36 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Distributor (Also Knock Sensor)
- Replaced by: 19434672
- Item Weight: 0.40 Pounds
- Item Dimensions: 2.7 x 2.2 x 1.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12567446
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2005 Cadillac STS Submodels:
- Base | 8 Cyl 4.6 L GAS

2005 Cadillac STS Knock Sensor

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2005 Cadillac STS Parts Questions & Experts Answers

Q: How to replace the Knock Sensor (KS) 1 on 2005 Cadillac STS?
A: To replace the Knock Sensor (KS) 1, one will have to pull off the intake valve, remove the knocked sensor (KS) electrical connector as well as remove the ks bolt before removing the ks. Next time clean the mating surfaces of the ks and the engine block carefully make sure that all the contact of the ks is directly on the engine block. Installing the ks and bolt, should not apply washers and even spring washers or toothed waskers, to tighten the bolt to 20n.m (15 lb ft). Make sure wiring harness is installed properly, it is attached using a number of retaining clips, then install the ks electrical connector and lastly re-install the Intake Manifold.

Related 2005 Cadillac STS Parts

Alternate Year Models

2006 Cadillac STS Knock Sensor