Lifter vs exhaust tick?

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OR VietVet

GMT800 2005 Tahoe Z71
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I gotta tell ya, I don't hear either, especially in the 1st video. Why not do the video under the hood?
 

Geotrash

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Noise comes from under some near either the manifolds or the engine. Im
Not too sure.
Very slight. Above the engine it sounds normal. Below the engine on the pax side I hear a slight tick, but nowhere near the criteria for concern, and I've had a failed lifters due to bad lifter trays on my 2012 in the past so I know exactly what they sound like. Any manifold bolts missing their heads?
 

OR VietVet

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I didn't even watch the videos. I ducked my head and concentrated on noise only. I only heard one time a very slight "flutter" like noise but nothing I would be concerned about. But, as the every day driver, you are more tuned in to the noise.
 
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iboughtatahoe23

iboughtatahoe23

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Very slight. Above the engine it sounds normal. Below the engine on the pax side I hear a slight tick, but nowhere near the criteria for concern, and I've had a failed lifters due to bad lifter trays on my 2012 in the past so I know exactly what they sound like. Any manifold bolts missing their heads?
Yep missing drivers side rear.
 

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