Generation III Internal Engine 1997-2006 LS1 | LS6

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lifter tick?

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May 24, 2019 | 11:57 PM

#1

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lifter tick?

i have a ticking noise that comes in and out with no real pattern its just there or its not its not extremely heavy sounding 02 5.3 lm7

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May 25, 2019 | 08:56 AM

#2

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sounds like a lifter tick
I would say possibly exhaust leak but if it comes and goes randomly then its probably not.

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May 27, 2019 | 09:52 AM

#3

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From: Pittsburgh

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Could try some Marvel Mystery Oil in the engine and see if it goes away. Sometimes the lifters stick or get stuck on engines with cylinder deactivation. I've seen a couple of those lifters, the spring collapses and they stick in the short position.

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