How to Replace Engine Knock Sensors 2003-2021 Chevrolet Express Van 3500

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This video shows you how to install engine knock sensors on your 2003-2021 Chevrolet Express Van 3500. A knock sensor monitors your vehicle’s engine for unusual pulsations caused by things such as engine knock. If a sensor is damaged or malfunctioning, the engine may run poorly, inefficiently, or only in a low speed safe mode, and may also trigger diagnostic codes.

This process should be similar on the following vehicles:
2003 Chevrolet Express 3500
2004 Chevrolet Express 3500
2005 Chevrolet Express 3500
2006 Chevrolet Express 3500
2007 Chevrolet Express 3500
2008 Chevrolet Express 3500
2009 Chevrolet Express 3500
2010 Chevrolet Express 3500
2011 Chevrolet Express 3500
2012 Chevrolet Express 3500
2013 Chevrolet Express 3500
2014 Chevrolet Express 3500
2015 Chevrolet Express 3500
2016 Chevrolet Express 3500
2017 Chevrolet Express 3500
2018 Chevrolet Express 3500
2019 Chevrolet Express 3500
2020 Chevrolet Express 3500
2021 Chevrolet Express 3500

Tools you will need:
• 10mm Socket http://1aau.to/oa/1AXAA00017
• 18mm Socket http://1aau.to/oa/1AXAA00043
• 22mm Socket http://1aau.to/oa/1AXAA00266
• 8mm Socket http://1aau.to/oa/1AXAA00017
• Fuel Line Disconnect Tool http://1aau.to/oa/1AXAA00041
• Trim Tool Set http://1aau.to/oa/1AXXX00006
• Needle nose pliers http://1aau.to/oa/1AXAA00051
• Needle nose pliers http://1aau.to/oa/1AXAA00052
• E5 Socket
• Ratchet http://1aau.to/oa/1AXAA00016
• Socket Extensions http://1aau.to/oa/1AXAA00015
• Torque Wrench http://1aau.to/oa/1AXAA00044
• Brake Parts Cleaner
• Cloth Rags http://1aau.to/oa/1AXSS00035
• Razor Blade / Gasket Scraper http://1aau.to/oa/1AXAA00280
• Rubber Mallet http://1aau.to/oa/1AXAA00413

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While TRQ strives to make the information provided in this video as accurate as possible, it makes no claims, promises, or guarantees about the accuracy, completeness or applicability of the content. No information contained in this video shall create any expressed or implied warranty or guarantee of any particular result. All do-it-yourself projects entail some risk. It is the sole responsibility of the viewer to assume this risk. TRQ is not responsible or liable for any loss damage (including, but not limited to, actual, consequential, or punitive), liability, claim, or any other injury or cause related to or resulting from any information posted in this video.