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Cant locate my knock sensors on my chevy silverado 2001 8.1 liter

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The knock sensors are under the vehicle on the engine block.One is by the starter and the other one is on the opposite side.You do not have to drain the cooling system to remove them.Hope this helps.Good luck.

Posted on Sep 10, 2010

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2000 chevy silverado 5.3, skips a little between 50-55mph, plugs and wires were changed. scanner shows bad knock sensor #2. will changing this correct the problem?


it should but recheck ur wires and plugs first a bad plug or wire can cause a knock ping problem and set off sensor also check the knock sensor connections at rear of engine----- the knock sensors for the 8 cyl are located under the intake manifold so its labor intensive to replace the sensor

Aug 22, 2010 | 2001 Chevrolet Silverado 1500

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What do the knock 2 sensors look like on a chevy silverado


Here is a picture of what they look like, and they are usually located above the oil pan on the side of the engine block.


d040f82.jpg

Jun 08, 2010 | 2001 Chevrolet Silverado 1500

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What would cause a PO332 code? i have a 2001 chevy silverado Z71. the check engin light has come on 4 times now. i have had it on a machine each time. it says that it is a knock sensor low output on bank...


car is 10yrs-probly due for new sensor-there r testers to do this--hav u used a tech II--is car driving ok or knocking--get some advice at a parts store

May 26, 2010 | 2001 Chevrolet Silverado 1500

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Replace knock sensor on 2001 chevy 4.8


You have two knock sensor's, both sit under the in-take magifold on top of the engine, you will have to remove injector rail and in-take.

Apr 11, 2010 | 2001 Chevrolet Silverado 1500

4 Answers

Where is knock sensor located on 2001 silverado 6000 engine


Under the intake manifold. Make sure you get the harness for the knock sensors. and clean out all of the rust and junk you're going to find donw in the holes before and after you replace the sensors.

Nov 01, 2009 | 2005 Chevrolet Silverado

1 Answer

Knock sensor on 2001 chevy silverado


on the 4.3l version the knock sensor is on the back left side of the engine right by the bell housing. on the bigger engines they are below the intake manifold in the engine valley

Aug 26, 2009 | 2001 Chevrolet Silverado 1500

1 Answer

Knock sensor location


HI, click the link below to be directed to a full diagram that will show you the actual location of the sensor. 718 will be the actual sensor to extract and 739 is the mounting screw for the KS.

KNOCK SENSOR DIAGRAM

Jul 22, 2009 | 2001 Chevrolet Silverado

4 Answers

Knock sensor location


The knock Sensors are located under the Intake Manifold at the top of your engine. The top will have to be taken off along with the intake manifold. Knock Sensors in past silverados used to have a problem with leaking water that corroded the sensors from washing the engine. Most times when you go to replace the knock sensor you will have to replace both along with the wiring harness that includes the the gaskets the knock sensors are surrounded by. After that you have to check the resistance to make sure you dont have any problems and then reinstall all parts along with a new intake manifold gasket. A good mechanic can do this for you in a day and charge you around $400. If you try to go to some place like a chevy dealer you will pay over $800. This is from experience of just replacing mine 2 weeks ago.

Dec 23, 2008 | 2004 Chevrolet Silverado

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