Weird noise...got everyone baffled (VIDEOS)

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project96

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(1996 Tahoe 5.7) Hey everyone, seems like every time I fix something on this truck, another problem appears. I just fixed my wipers to work like new and now a whole nother problem has appeared.

A weird clicking/tapping noise coming from around the transmission flywheel area. Sounds as if a tooth broke off the flywheel and is rattling around or something similar. The noise is there at idle but gets worse as I drive away from a stop. Seems to disappear after about 60km/h. It is hard to explain so I have attached a couple videos.

In the first video I tried to get the noise from inside as I do hear it while I drive from inside the truck. I have it in drive with my foot on the brake and pressing the gas. You can hear the noise from outside the driver window very clearly. Then of course you can hear it the most from underneath.

http://video-removed

The second video, the camera is set on the floor as I put it into drive with my foot on the brake and you can clearly hear it. In the end, it's in park with a small rev and you can't hear it as much.

http://video-removed

I've asked a few friends and some co-workers but nobody seems to know what this could be. I hope someone on here can help me out since everyone's been great before with all my questions. Thanks!
 
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oldsalt

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Sounds like you have a broken flex plate.
Get under there, pull the cover off and have a look. Should see some fresh shavings of metal in there.
 

drowndindreams

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sounds like something is out of place. the gears could be tossing around a piece of metal. either way, you'll have to get in there.
 

retorq

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That weird noise is your window. LOL

My money is on a backed off flywheel to torque converter bolt ... could be a busted flywheel, what kind of mods do you have??
 
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project96

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Stock engine but k&n filter, magnaflow cats, flowmaster muffler and my brother just did a performance tune with his superchip. The noise was there before the tune. Oh and i forgot to mention that i took it on a 200km trip that day...
And yes a rod knock would be way worse
 

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