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Tbss rod knock?

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Old Nov 23, 2015 | 09:48 PM
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Default Tbss rod knock?

So.... About a month or so ago I was cruising at around 70mph with the windows up and ended up turning my radio off for some reason when I noticed a noise I'd never heard before. It sounded like a ticking/tapping that was barely audible from inside my truck, but didn't sound good.

The sound isn't present or at least I can't hear it when the motor is cold but becomes audible after its heated up and is present at idle and worse around 2k. It either goes away around 4.5-5k or I just can't hear it. I wasn't able to see any metal in the oil on the dipstick but I didn't check the filter from the last oil change I had. I've tried unhooking each injector individually but it doesn't change the sound. It's worse under light throttle. I've tried stalling it to put a load on it while stopped and the sound isn't there. I know I shouldn't be driving it but I've put at least 1500 miles on it since I first heard it and it hasn't gotten any worse.


That's about all I can think of for now but I do have a video of what it sounds like when it was at its worst.

https://youtu.be/B_MWVkoXKgE
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Old Nov 23, 2015 | 09:57 PM
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sounds like rod knock... but ive also heard that sound when I had a cracked ringland.
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