Clicking noise

[HoustonDidThat]

Hello fellas,

Im not sure if this has been posted before cause I'm new to the site.

I have a 99 Yukon and I've been giving the green light to make it my own project, so first up is the engine.

When I start the truck there is a clicking noise till the truck warms up, then as I drive it a slight ticking/clicking. It ran fine up to now, I say that cause i have a misfire on the #4 cylinder. So now it stutters every now and then.

The crazy part, today it drove just fine but still had the ticking/clicking noise.

All information and help will be apperciated.

 

[Donnie Yukonie]

There is a Valve tick that 90% of these older trucks were known for when Cold , However I moved your thread to the OBS section to get some better attention.

How does the #4 plug look?

 

[HoustonDidThat]

Plugs been changed already becuase I was getting a #4 cylinder misfire.

 

[SunlitComet]

pics or description on how the old plug?

 

[HoustonDidThat]

Here is the pic of the #4 plugView attachment 26451

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[HoustonDidThat]

I will say that was during the tune up. I've replaced all plugs and wires.

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---------- Post added at 05:18 PM ---------- Previous post was at 05:17 PM ----------

Note sure how to do bids on here. But I have a short video where you can clearly here the sound.

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---------- Post added at 05:56 PM ---------- Previous post was at 05:18 PM ----------

http://youtu.be/JM1LmDnkYG8

 

[SunlitComet]

video marked private.

 

[HoustonDidThat]

Sry, try it now sunlit

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[retorq]

Flywheel bolt is my guess.

 

[SunlitComet]

that is not ticking that is a knock,stop using that that engine and inspect the flexplate for proper mounting of torque converter bolts to it to ensure they are tight, non are missing and nothing is broken in the area. it kinda sounds like it is tossing something around in the area.