Motor Vehicle Maintenance & Repair Asked by Vincent Vega on August 27, 2021
So I’m trying to identify what may be the cause of this ticking noise.
I listened to all the LS1 ticking and knocking videos on YouTube but none are similar to mine.
It sort of sounds like when you hold a metal pen between two fingers and you tap it against a metal table. Best way for the to describe it. Maybe the rods or something.
You can hear it best at 0:05 and 0:22. The sound seems to be coming from the backside of the engine (closer to firewall).
It would be great if I could get some thoughts on what it could be, maybe what I can do about it as well.
I have an LS2 that makes a sound similar to that sound but it was an upper valve tap so i put some Seafoam in the oil before the oil change and now the sound is gone. It also could be the exhaust manifold bolts are broken causing a noise that sounds like an upper valve tap. Speaking form experience it's probably the manifold bolts are broken. Good luck diagnosing the issue. Hope my answer helped.
Answered by Conradish006 on August 27, 2021
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