What is this odd ticking sound?

[Kyl50]

1993 f250 7.3 idi /banks turbo
I have owned this truck for a couple months, but recently I have started hearing this sound almost like a ticking.
What do you guys think it could be?

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[Kizer]

Welcome to the forum.
It's hard, for me, to tell from the video.
Use an automotive stethoscope, or a section of 3/8“ hose, to isolate the area from which the concerning noise is coming and report back.

 

[Kyl50]

Here is a little longer & better video

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I will try to get a stethoscope or hose to better pinpoint.

 

[rreegg]

I might hear the ticking suound you are referring but if so it's not something i'd be concerned about personally. Do thse clips capture the sound as you hear it?

 

[Kyl50]

yes

 

[rreegg]

Is the truck a manual? Since the truck is stationary am thinking clutch and belt components first but that's just a quick stab. Turned up the sound a bit and what I'm assuming to be the ticking seems inconsistent

Also is the sound correlated to any speed or RPMs?

 

[Kyl50]

No, it is an auto (E40D)

 

[Kyl50]

So far only hear at idle

 

[Kizer]

Vacuum pump, perhaps?

 

[KansasIDI]

My truck also makes this noise, but also while revved up, not just at idle.

I thought it might be the vacuum pump

I inspected rockers and checked pushrods for play, all good there.

My truck is manual, but at idle makes exact same noise.

Interested to see if either of us find it…

 

[KansasIDI]

I have heard of, warped flexplates clicking against starter gear, just something else to throw around

 

[Old Goat]

I read a thread not too far back and it was a cracked Flex Plate. OB or FTE, don`t remember.

EDIT: Found the thread, Post# 33 it is Greenie`s truck, finally took it to a shop and they discovered it was the FP.

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Goat