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Discussion Starter #1 (Edited)
Hey guys,

Was hoping for some feedback. I have a bad noise from engine, seems to go away with small load (A/C on) and I don't really hear it when I'm driving. In the link / album below, First video is Idle with no load and second video is with the AC on. Was thinking rod knock or maybe timing belt tensioner?

Thanks in advance.

EJ257 Engine Noise w/ and without AC on.
 

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Try taking a long screwdriver and putting it behind the alternator onto to the block. Put your ear to the handle of the screwdriver and take a listen. If you can clearly hear the noise then its in the block. If not then try the same method on other components like the ac compressor. See if it changes with the ac on and off.
 
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