How to Service and Repair a Knock Sensor on a 2.7L Engine on Chrysler 300?

You should start by taking off the negative battery cable to work on the knock sensor. Remove the intake manifold, because the sensor is positioned directly underneath it in the engine cylinder block. After that, pull out the passenger side cylinder head. After you have looked at the data, separate the electrical wire from the knock sensor and screw the crows foot socket onto the sensor to remove it.

How to Maintain a Knock Sensor on a 2.7L Engine on Chrysler 300?

Drain the cooling system before you service the knock sensor on a 2.7L engine to stay safe from hot fluid. Remove and disconnect the negative battery cable. After that, unbolt the lower intake manifold and remove the upper radiator hose at the end of the water housing outlet tube. After that, pull the heater hose out of the water outlet tube found in the rear of the engine. Unplug the water housing outlet tube from the hold-down clip at the back of the engine and pull the electrical connector from the coolant temperature sensor. Take out the four bolts that keep the water housing outlet tube attached to your cylinder heads and then disconnect the electrical connector from the knock sensor. Then, move the water housing outlet tube and take off the nut from the knock sensor stud and at last remove the knock sensor from the engine block.

OEM Chrysler 300 Knock Sensor

Engine Knock Sensor

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Chrysler 300 Knock Sensor Part Number: 68166540AA
$137.15 MSRP: $205.00
You Save: $67.85 (34%)
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Product Specifications
- Other Name: Sensor - Knock; Ignition Knock (Detonation) Sensor; Sensor Knock
- Replaces: 68166540AB
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2013-2017 Chrysler 300 | Base, C, C Luxury, C Platinum, Limited, S | 3.6L V6, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chrysler 300 Knock Sensor Part Number: 4606093AD
$103.54 MSRP: $157.00
You Save: $53.46 (35%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor - Detonation; Ignition Knock (Detonation) Sensor; Sensor; Sensor Detonation
- Replaces: 4606093
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2005-2010 Chrysler 300 | Base, LX, Limited, S, Signature Series, Touring | 2.7L V6, 3.5L V6, 6 Cyl 2.7 L GAS, 6 Cyl 3.5 L GAS
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Chrysler 300 Knock Sensor Part Number: 5033316AB
$128.23 MSRP: $194.00
You Save: $65.77 (34%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor - Knock; Ignition Knock (Detonation) Sensor; MAP Sensor; Sensor Knock
- Replaces: 5033316AA, 56028563AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2005-2023 Chrysler 300 | C, C Luxury, C Platinum, C SRT8, S, SRT8, SRT8 Core | 5.7L V8, 6.1L V8, 6.4L V8, 8 Cyl 5.7 L GAS, 8 Cyl 6.1 L GAS, 8 Cyl 6.4 L GAS
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Chrysler 300 Knock Sensor Part Number: 5149188AA
$58.62 MSRP: $79.70
You Save: $21.08 (27%)
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Product Specifications
- Other Name: Sensor - Knock; Ignition Knock (Detonation) Sensor; Sensor Knock
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2011-2012 Chrysler 300 | Base, Limited, S | 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS
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Chrysler 300 Knock Sensor Part Number: 68313570AB
$19.98 MSRP: $29.35
You Save: $9.37 (32%)
ADD TO CART
Product Specifications
- Other Name: Sensor - Knock
- Replaces: 68313570AA
- Warranty: This genuine part is guaranteed by Mopar's factory warranty.
Fits the following Vehicles:
- 2018-2023 Chrysler 300 | Limited, S, Touring, Touring L | 3.6L V6, 6 Cyl 3.6 L FLEX, 6 Cyl 3.6 L GAS

Chrysler 300 Knock Sensor

Choose OEM Knock Sensor that meet Chrysler factory standards. Chrysler designs and tests every component for precision and durability. Each Knock Sensor follows strict manufacturing steps to lock in quality and fit. If your Chrysler 300 matters to you, OEM parts make the smart choice. You'll get the exact look, feel, and performance you expect. Shop genuine 300 parts at the highly competitive prices online. Enjoy a manufacturer's warranty, a hassle-free return policy, and rapid delivery. No more guesswork with off brands. Get genuine parts with exact fit and true factory performance. Shop with confidence today at JeepPartsDeal.com.

Chrysler 300 entails one of the most vital parts needed in any car, the Knock Sensor, which helps in detecting the level of knock in the engine and passing signals to the PCM for change in the consistency of the ignition timing. This avoids a situation whereby the mixture gets detonated in the ignition cycle beyond its limit, thus improving on the engine performance and durability. Quite commonly piezoelectric, the knock sensor operates in a way turning various vibrations into electrical signals while constantly measuring those pressure spikes associated with knock. Gradual changes in ignition time bring the engine to work close to the knock limit even with suboptimal fuels of a lower octane number. Modern systems can also control the timings of the individual cylinder and controlling boost pressure for the most efficiency of the engine under different situations.

Chrysler 300 Knock Sensor Parts and Q&A

Knock Sensor
4606093AD
Q: How to Service and Repair a Knock Sensor on a 2.7L Engine on Chrysler 300?
A:
You should start by taking off the negative Battery Cable to work on the knock sensor. Remove the Intake Manifold, because the sensor is positioned directly underneath it in the engine cylinder block. After that, pull out the passenger side cylinder head. After you have looked at the data, separate the electrical wire from the knock sensor and screw the crows foot socket onto the sensor to remove it.
Knock Sensor
5033316AB
Q: How to Maintain a Knock Sensor on a 2.7L Engine on Chrysler 300?
A:
Drain the cooling system before you service the knock sensor on a 2.7L engine to stay safe from hot fluid. Remove and disconnect the negative Battery Cable. After that, unbolt the lower Intake Manifold and remove the upper radiator hose at the end of the water housing outlet tube. After that, pull the heater hose out of the water outlet tube found in the rear of the engine. Unplug the water housing outlet tube from the hold-down clip at the back of the engine and pull the electrical connector from the Coolant Temperature Sensor. Take out the four bolts that keep the water housing outlet tube attached to your cylinder heads and then disconnect the electrical connector from the knock sensor. Then, move the water housing outlet tube and take off the nut from the knock sensor stud and at last remove the knock sensor from the engine block.