Clunk in the rear (sounds like the right side)

I'm not so convinced it is the springs. Another dealer said they did one where they changed the springs out twice then finally found the problem in the differential. Getting slow walked by the current dealer, might go to the other dealer and have them take it from here. But last time they changed the springs it did quiet down for a few months then came back. Wondering if they changed the shackles. Will get under it shortly, rock the truck in neutral and see if I can find it with the mechanics stethoscope I borrowed. I almost went with new springs, but not sure if Deaver has established a PN for our unique trucks.
 
not sure if Deaver has established a PN for our unique trucks.
just curious. I thought tremor rear suspension was same as 150 only taller block??
Only thing I noticed is my stock block is tapered. Not even sure what that does
 
Any chance of making a video of the sound? Mine definitely makes more noise than it should, especially when damp outside, and going over a speed bump or driveway at an angle. I'm approaching the 36/36000 warranty limit as well (though I did get the super duper extended from Granger) so I'd like to get it addressed.
 
Stethoscope test indicates it is coming from the passenger side shackle between the spring and frame. I'll try to record the sound.
 
Checked with Dealer as to status working with Ford. Told they now have another truck there with exactly the same problem and that there is a Ford engineer spending time at the dealership to find the true cause. I challenged the dealership whether they were sure was truly the same and suggested Ford engineer could look at my truck too, but they said they were sure it is the same. I'm told once they fix the truck in house they will apply the same fix to mine.
 
That sucks, a year later and a winter later mine are still quiet as a mouse from the pads I made.
 
This is where the pads are. Have to unload the springs and I had to slightly pry on them to slide the rubber between.
Did you place the pad inbetween the block and leaf spring?
76C7A666-FB68-4CB7-AC3E-209E8723D99A.jpeg
 

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Checked with Dealer as to status working with Ford. Told they now have another truck there with exactly the same problem and that there is a Ford engineer spending time at the dealership to find the true cause. I challenged the dealership whether they were sure was truly the same and suggested Ford engineer could look at my truck too, but they said they were sure it is the same. I'm told once they fix the truck in house they will apply the same fix to mine.
Could you DM me any related contact info or VIN so I can put my dealer in touch with yours? Hopefully save them some trouble / get mine addressed quicker too.

Thanks
 
Brought it in on Monday. Ford engineer on site worked with tech for most of the day today on my truck. Now I am told they will replace the leaf springs and they will not be in before Friday of next week. I keep asking if they are replacing the shackles as well, but I get no response. Well, I will get my springs changed again and will hope for the best but am seriously not happy and have no confidence whatsoever. Springs are a simple thing as are torques. Thought of trading up to a Raptor (no leaf springs) but found my 22 with 20K miles is only worth 45 in trade and am not ready to eat $40K because of this.
 
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Does anyone have the rear leaf springs torque specifications for the front and rear? I'm thinking the noise on mine is coming from there. I also wish they added a grease port there......
 

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