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Ticking noise Suburban/Yukon XL 364 6.0l V8

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Old January 25th, 2019, 5:23 AM
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Originally Posted by oilcanhenry
Dony let anyone tell you that you cant replace a bad lifter with a new one, as the old one has wear from the camshaft. Ive done and it worked.I'd also intall a new pushrod (dirt cheap) and maybe even the rocker. I'd pump the new lifter up with oil, put some never seize on the cam side of the lifter, install with magnetic tool and drive it. Hope that helps.
Thank you. I will replace the lifter if that is the case. But wouldn't the lifter on cylinder 1 still tick when I remove the sparkplug hose? As it is now. The sound disapears completly when I remove the hose on cylinder 1

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Old January 25th, 2019, 10:18 AM
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https://www.youtube.com/watch?v=bq76...ature=youtu.be

its hard to hear with the mic, but its louder than it appears on the video
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Old January 25th, 2019, 1:05 PM
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Originally Posted by Metro
Thank you. I will replace the lifter if that is the case. But wouldn't the lifter on cylinder 1 still tick when I remove the sparkplug hose? As it is now. The sound disapears completly when I remove the hose on cylinder 1
do you smell any exhaust fumes?
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Old January 25th, 2019, 1:15 PM
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Originally Posted by oilcanhenry
do you smell any exhaust fumes?
Nope. Cant smell any exhaust there. I posted a youtube link from my car. Check it out.
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Old January 25th, 2019, 1:39 PM
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Originally Posted by Metro
Nope. Cant smell any exhaust there. I posted a youtube link from my car. Check it out.
I did view that but couldn't make a diagnosis. Can you get access to a hearing probe?
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Old January 25th, 2019, 2:34 PM
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Originally Posted by oilcanhenry
I did view that but couldn't make a diagnosis. Can you get access to a hearing probe?
yes. Bought the probe. I hear the knock around sparkplug nr 1.
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Old January 25th, 2019, 7:55 PM
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Originally Posted by Metro
yes. Bought the probe. I hear the knock around sparkplug nr 1.
I still think its a bad lifter.
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