How to disconnect and replace the knock sensor on Saturn Vue?

For four-cylinder models, you pull the cable off the negative battery terminal, safely hoist the car on jackstands and then remove the starter motor. From the knock sensor, locate its electrical connector and de-pin it, proceed to remove the knock sensor retaining bolt and thereafter unbolt the knock sensor from the engine block tightening the bolt as you put in place the knock sensor. For the 2002 and 2003 v6 models turn off the engine by removing the negative battery terminal, remove the lugs nuts on the right front wheel and use the jack to raise the car on jack stands. Remove the knock sensor by disconnecting its electrical connector, then access the right inner fender splash shield, drivebelt and its tensioner, and the wiring to the alternator; move the wiring aside. The mounting bolt of knock sensor has to be unbolted and the sensor wires have to be disconnected from the clips and the bolt has to be tightened while assembling the knock sensor back again. As for the front sensor, the operation is almost identical, only you have to fasten a string to the knock sensor wiring harness to use it as a reference during the installation. The knock sensor is not accessible on the 2004 and later V6 models without removing the lower half of the intake manifold, but to check or change the knock sensor, unbolt the intake manifold and fuel rail assembly, and try to get to the knock sensor without removing the lower intake manifold. If so desired, remove the electrical connector from the knock sensor with the help of a socket and an extension, though it's better to tighten the sensor via the threads without the use of the thread sealant.

Genuine Saturn Vue Knock Sensor

Engine Knock Sensor

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7 Knock Sensors found

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Saturn Vue Knock Sensor Assembly
Part Number: 12623730
$12.51 MSRP: $27.36
You Save: $14.85 (55%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaced by: 12739206
- Replaces: 12570125
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008-2009 Saturn Vue | XE AWD | 6 Cyl 3.5L
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Saturn Vue Knock Sensor
Part Number: 12621820
$17.46 MSRP: $32.94
You Save: $15.48 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaced by: 19434675
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2010 Saturn Vue | SUV HYBRID FWD, XE FWD, XR FWD | 4 Cyl 2.4L
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Saturn Vue Knock Sensor Assembly
Part Number: 12567711
$29.80 MSRP: $56.22
You Save: $26.42 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaced by: 19434674
- Replaces: 12589373, 24577244, 12615500
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2008 Saturn Vue | AWD, FWD, MANUAL TRANS HYBRID FWD, SUV HYBRID FWD, UPLEVEL AWD, UPLEVEL FWD, UPLEVEL V6 AWD, UPLEVEL V6 FWD, XE FWD | 4 Cyl 2.2L, 4 Cyl 2.4L
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Saturn Vue Knock Sensor Assembly
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
- Replaced by:
- Replaces: 12566845
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2008 Saturn Vue | XR AWD, XR FWD | 6 Cyl 3.6L
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Saturn Vue SENSOR ASM-KNOCK
Part Number: 12729597
$19.73 MSRP: $37.22
You Save: $17.49 (47%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: SENSOR ASM-KNOCK; Camshaft Sensor, Knock Sensor
- Replaced by:
- Replaces: 12692505, 12605738, 12636736
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2009-2010 Saturn Vue | XR AWD, XR FWD | 6 Cyl 3.6L
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Saturn Vue Sensor, Knock
Part Number: 12582343
$72.92 MSRP: $137.57
You Save: $64.65 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaced by:
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2004-2007 Saturn Vue | AWD, FWD, MANUAL TRANS HYBRID FWD, UPLEVEL AWD, UPLEVEL FWD, UPLEVEL V6 AWD, UPLEVEL V6 FWD | 6 Cyl 3.5L
View related parts
Saturn Vue Knock Sensor
Part Number: 90541521
Product Specifications
- Other Name: SENSOR, Distributor (also Knock Sensor); Knock Sensor
- Replaced by:
- Warranty: This genuine part is guaranteed by GM's factory warranty.
Fits the following Vehicles:
- 2002-2003 Saturn Vue | AWD, FWD, UPLEVEL AWD, UPLEVEL FWD | 6 Cyl 3.0L

Saturn Vue Knock Sensor

Saturn Vue owns the Knock Sensor that is responsible for the powerful engine with the help of which knock, or any situation that has connection with incorrect ignition timing, can be recognized. It transmits the signals to the powertrain control module (PCM) so as to allow adjustment of ignition timing with a view of reducing detonation. Usually, Saturn Vue Knock Sensors are piezoelectric, which change the received vibrations into electrical signals to check pressure spikes which indicates knocking. Still for years now Saturn Vue has incorporated more efficient Knock Sensor that enables it to create right settings for ignition timing of cylinders separately. This capability assists in providing the premier efficiency for the engine without the danger of getting damaged namely when one is using a low octane rating fuel. Saturn Vue Knock Sensor system is responsible for the proper running of the engine irrespective of the existing environment and hence durability of the engine of the car is also not compromised.

Each OEM Saturn Vue 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.

Saturn Vue Knock Sensor Parts Questions & Experts Answers

Sensor, Knock
12582343
Q:
How to disconnect and replace the knock sensor on Saturn Vue?
A:
For four-cylinder models, you pull the cable off the negative battery terminal, safely hoist the car on jackstands and then remove the starter motor. From the knock sensor, locate its electrical connector and de-pin it, proceed to remove the knock sensor retaining bolt and thereafter unbolt the knock sensor from the engine block tightening the bolt as you put in place the knock sensor. For the 2002 and 2003 v6 models turn off the engine by removing the negative battery terminal, remove the lugs nuts on the right front wheel and use the jack to raise the car on jack stands. Remove the knock sensor by disconnecting its electrical connector, then access the right inner fender splash shield, drivebelt and its tensioner, and the wiring to the alternator; move the wiring aside. The mounting bolt of knock sensor has to be unbolted and the sensor wires have to be disconnected from the clips and the bolt has to be tightened while assembling the knock sensor back again. As for the front sensor, the operation is almost identical, only you have to fasten a string to the knock sensor wiring harness to use it as a reference during the installation. The knock sensor is not accessible on the 2004 and later V6 models without removing the lower half of the intake manifold, but to check or change the knock sensor, unbolt the intake manifold and fuel rail assembly, and try to get to the knock sensor without removing the lower intake manifold. If so desired, remove the electrical connector from the knock sensor with the help of a socket and an extension, though it's better to tighten the sensor via the threads without the use of the thread sealant.