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What does this do? 2007 Ram 1500 truck

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December 13, 2023, 06:53 PM
cparktd
What does this do? 2007 Ram 1500 truck
Had the bed off a Daughters truck to replace the fuel pump and noticed this attached to to where the trailer hitch attaches to the frame of the truck. Mounted in rubber at the ends like a damper but it requires very little effort to twist I can't imagine it doing much of anything. There is a rigid cross member right beside it. The hitch is rigid and heavy 1/4 inch thick tubing.

Just curious...

[IMG] [/IMG]



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December 13, 2023, 06:57 PM
P250UA5
Spare tire crank rod?




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December 13, 2023, 07:05 PM
cparktd
quote:
Originally posted by P250UA5:
Spare tire crank rod?


No, that's separate and much smaller.
You see that on the right side running at an angle to the frame.



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December 13, 2023, 07:05 PM
ScreamingCockatoo
It's called a mass damper.
My CR-V has one too.
Stops harmonic vibration.





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December 13, 2023, 07:10 PM
cparktd
quote:
Originally posted by ScreamingCockatoo:
It's called a mass damper.
My CR-V has one too.


OK, Dampens what?
Harmonic vibrations in the frame or something?



Some people spread happiness wherever they go… some whenever they go.
December 13, 2023, 07:10 PM
roarindan
GOOD LORD!!! you should NEVER move that unless you've turned off semi boloid girddel spring !!!!


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December 13, 2023, 07:14 PM
cparktd
quote:
mass damper.


OK with a name I asked GTP.

Said it made the truck quieter and dampens vibrations... automatically adjusted by an electric motor.

Aint no electric anything about it but I guess we have the answer

Thanks!



Some people spread happiness wherever they go… some whenever they go.
December 15, 2023, 05:19 AM
4MUL8R
https://www.underhoodservice.c...f-the-new-dodge-ram/

New and improved...but offers insight on what these do.


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December 15, 2023, 09:24 AM
220-9er
Here's a discussion and a few photos about the subject.
A tuned mass damper to counteract the natural harmonic vibrations in a structure.

https://dodgeforum.com/forum/3...-2.html#&gid=1&pid=3


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December 15, 2023, 09:26 AM
RogueJSK
Also serves as a housing for the flux capacitor, if your trim level came with that option.