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Suspension Noise

tbully
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tbully Enthusiast

tbully

Posted
Posted

Hello All - 

 

I have a weird suspension noise that I believe is coming from the driver's side but perhaps under the driver seat area (torsion bar).  The best way to explain it is the sound a straw makes going in and out of a McDonalds/fast-food cup.  LOL  Even the slightest articulation causes it.  However, I've only noticed it when a little warmer (above freezing) and more humid conditions.

 

Has anyone heard and/or successfully repaired this?  I'll likely take it to the dealer eventually but I'm guessing it'll result in a "no problem found" as it doesn't happen all the time.

 

Thanks.

 

Leem Enthusiast

Leem

Posted
Posted

I  agree unlikely torsion bar. I would start with upper control arm , move down to lower control arm. and eventually each sway bar bushing. One of my older trucks i had a noise. from the  front suspension. fox coilovers and incognito control arms. I carried a can of wd-40 on a test drive soaked each bushing one at a time.  Found  my noise on the 3rd shot. 

 

I also agree it could be a shock the oem ones are not the greatest. might be dust boot might be the the chrome plated shaft running dry 

tbully Enthusiast

tbully

Posted
  • Author
Posted

Definitely a bushing type of sound. (Not metal on metal) Only reason I thought torsion was that it sounds aft of the front suspension.  I know there’s been complaints of the leaf springs making noise but I don’t think it’s that far back. 
 

Really hate noises like these because they are annoying and hard to troubleshoot.  
 

Thanks for the ideas!

Another JR Senior Enthusiast

Another JR

Posted
Posted

Leem offered a good technique:  lube the bushings with spray one at a time driving in between until the noise stops. I don’t know if wd40 is a good choice for the materials. I would have guessed silicone spray would be better for the bushings, but I really am guessing. Maybe Leem researched that. 

tbully Enthusiast

tbully

Posted
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Posted

Yep.  It's a good idea.  I will try to do this once it gets back in to double digits temperature-wise here in MI.  🙂

 

 

Leem Enthusiast

Leem

Posted
Posted

Yes i forgot to mention it was not the old school WD-40 is was the silica based  blue silver can.

I would rinse all of it off after your test. That stuff likes to gather grime. 

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