Chevy Silverado

How do you change a knock sensor in a 2004 Chevy Silverado 5.3?

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2009-03-08 23:45:51
2009-03-08 23:45:51

you have to pull off the intake they are under there. you have two you might as well replace both

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how do you change the knock sensor in a 2003 Chevy silverado 5.3



I found in a google search 15ftlbs torque for the knock sensor.


Under the intake manifold there are 2 knock sensors



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It is screewed into the passenger side of the engine, just in front of the starter.


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The 1500 Chevy Silverado has two knock sensors. There is one on each side of the block halfway between front and back.


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There are 2 knock sensors on these motors. They are located in the valley cover under the intake manifold.


The knock sensor on that vehicle is located under the intake manifold. The intake manifold must be removed to gain access to the knock sensor.



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knock sensors on a 2005 silverado are located under the intake manifold


I don't think Chevy changed the location of the knock sensor. On my 1994 4.3 its on the left hand (drivers side). There are 2 sensors there, one of them is the temp gauge sending unit and the other is the knock sensor.


It is screewed into the side of the engine block on the passenger side just in front of the starter.


Bank 1 is the drivers side of the engine and bank 2 is the other side.


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