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What is this?

Old Feb 17, 2015 | 12:47 PM
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Hello all!

I'm in the process of tearing down a 5.7L vortec from a 97 suburban and will in the next couple months install it in my 98 4x4 blazer. But anyways, could someone identify this thing circled in red? It's on the passenger side of the block on the 5.7L



 
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Old Feb 17, 2015 | 01:33 PM
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That is a knock sensor.
 
Old Feb 17, 2015 | 02:15 PM
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Well that would explain it lol thanks swartlkk!
 


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