Incessant Clunking from Rear Suspension

[dafuture]

I inadvertently caused a clunk that I could hear within the cabin after installing an under-seat tray unit. I thought something in the bed, driveshaft, or leaf springs (common in my 2014 when temps would dip into teens drastically).

The culprit, after chasing somewhat of a ghost was the rear LEFT passenger backrest never clamped back into its horizontal striker pin.

Dumbest thing ever. ?

Funny enough, I just put in the Builtright Industries Seat release. I definitely triple checked it to make sure that wasn't the issue, figured it was more likely I was being stupid than something actually wrong haha.

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[Gros Ventre]

Ah, I see. Well I'll keep that as a last resort if I can't find the culprit this week. I don't want to blindly throw parts at it if it's something else.

...And that's exactly why it kicked my butt. The real way I ID'd the fault was to go out and purchase a set of noise gear sensors and a receiver box, then go out driving so I could listen. Got it on not just throwing parts at the noise... Like I said, it kicked my butt for weeks..........

 

[dafuture]

...And that's exactly why it kicked my butt. The real way I ID'd the fault was to go out and purchase a set of noise gear sensors and a receiver box, then go out driving so I could listen. Got it on not just throwing parts at the noise... Like I said, it kicked my butt for weeks..........

Figures haha. I suppose if I really wanted to I could throw the stock rears back on and see if the noise goes away. That being said, laying in the cold with a bad back changing those out sounds terrible! I may just have to turn it over to a shop if I can't figure it out otherwise.

 

[VRFlyer]

Funny enough, I just put in the Builtright Industries Seat release. I definitely triple checked it to make sure that wasn't the issue, figured it was more likely I was being stupid than something actually wrong haha.

Yeah, when I added that one, I had an obnoxious issue with the striker pin not engaging, had to put a bit of pressure (pushing) the headrest area to make it "click."

The LEFT passenger was another oddball, it had to be slammed so it would catch.

 

[Henfield]

Assuming its nothing that is loose inside the cab or bed of the truck, Something that isn't properly secured (eg pipework) or perhaps a leaking shock are the likely suspects

 

[dafuture]

Assuming its nothing that is loose inside the cab or bed of the truck, Something that isn't properly secured (eg pipework) or perhaps a leaking shock are the likely suspects

I took everything out of the cab that it could be, even took out my bed divider. A leaking shock is possible, I may have to throw my OEM shocks back on to test that theory.

What pipework are you referring to?

 

[Gros Ventre]

I took everything out of the cab that it could be, even took out my bed divider. A leaking shock is possible, I may have to throw my OEM shocks back on to test that theory.

What pipework are you referring to?

When you get to re-installing the OEM Shocks... Look over each bushing, nut, & bolt for ovalling. That could be the problem also and you wouldn't see it without disassembling the bolted joint. Along with just tightening down the bolts (as you've done) wouldn't fix it.

 

[FaaWrenchBndr]

My money is on the shocks as being the source

 

[Hans Moleman]

I have the clunk when going over speed bumps. I thinks it is the tail gate step clunking. I can also hear noises when I’m shaking the tail gate.

 

[dafuture]

My money is on the shocks as being the source

Frankly I'd be ok with that. Swap them and move on.

 

[Davidwnuc]

My recommendation is to get a rubber mallet and get under the truck and start hitting stuff (with caution) until you find the source.
good luck

 

[js312]

If you have the 2+1 leaf pack it could be the leaf spring isolators. 13th Gen was notorious for them wearing out and making clunking noises.

 

[nicholsbradley]

I would be curious to hear what you find. I think it is more common than we think. Mine is a 22 PowerBosst and does it as well. I just gave up looking.

 

[dafuture]

I would be curious to hear what you find. I think it is more common than we think. Mine is a 22 PowerBosst and does it as well. I just gave up looking.

I'll definitely update with what I figure out. I have an appointment with Ford for Thursday, and if they can't sort it out I'll be under the truck sometime this weekend.

 

[Gros Ventre]

I ended up purchasing a set of strap on Sound Sensors that transmit sound via wireless ink. I then went out on the road and listened. That is what finally zeroed in on the strut itself. Then I replaced it and the clunking went away. But it did kick my butt for weeks.

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