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Clunk sound coming from the rear

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Old Mar 7, 2005 | 08:03 AM
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Clunk sound coming from the rear

I have a 97 Expedition Eddie Bauer Expedition with LLS. When ever I go over bumps I'm getting a clunking sound coming from the rear. I've replaced the shocks and the rubber stoppers on all doors and tailgate and the problem still exists. I also have another 97 Eddie Bauer Expediton w/ LLS thats starting to do the same thing but no where near as loud or sensitive yet. Is this a common issue on something working itself loose or a wornout part?
 
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Old Mar 7, 2005 | 02:03 PM
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Just a thought ........... I had a "clunk" sound as well and found that the spare tire was not quite tight up against the bottom of the bed ......... so it would swing just a bit and make "clunk" sound .......

Tightened it up and now it is a quiet as a mouse ........
 
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Old Mar 7, 2005 | 09:09 PM
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Do you have a trailer hitch that might be jiggling? Or did you maybe notice that the bolts that hold the rear shocks were worn a bit? Perhaps one of the shocks needs to be tightened down?
 
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Old Mar 8, 2005 | 06:51 AM
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Spare tire is tight, hitch is solid, just replaced the shocks and the bolts were fine. I changed the shocks thinking the sound might be related but it wasnt. Just figured since I have 2 identical Expeditions that are now both making this sound that it might be a common issue.
 
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Old Mar 8, 2005 | 09:57 AM
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I have the exact same problem with my 99. It drives me crazy because I can't figure out where it's coming from. I can stand on the back bumper and bounce up and down and not reproduce the noise, but if I go down a road that is just a little rough it sounds like something is rattling against the frame. I've checked shocks, antisway bar connections and tail-pipe, but they all seem tight. The manually pushed on the spare but it seems tight. I might try lowering the spare and cranking it back up, biut I don'tthink that will make a difference. BTW - have you had your rear brake pads changed lately? I changed mine a few months back and was wondering if I did something incorrectly that could be causing the noise.
 
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Old Mar 8, 2005 | 10:05 AM
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Wonder if the sliding spline on the driveshaft is binding?
 
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Old Mar 8, 2005 | 11:45 AM
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Bet it is the rear cargo door!
 
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Old Mar 8, 2005 | 11:52 AM
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Its not the tailgate, just replaced all the rubber stoppers/spacers just to see if that would resolve the issue... it didnt. I tried rattling the tailgate and rear glass... its solid. Dont think its the brakes, I have 2 Expeditions and the brakes were swapped out at differant times and we installed them properly.
 
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Old Mar 8, 2005 | 02:51 PM
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where are the rubber stoppers and spacers on the rear cargo door? I don't remember seeing them
 
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Old Mar 8, 2005 | 02:55 PM
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Rubber stoppers are located on the vehicle upon opening the tailgate about chest height near the tail lights. One on each side
 
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Old Mar 12, 2005 | 11:33 PM
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I have the same problem and I found that there is a metal sleeve that goes over the rear shocks and that was rattleing every time I went over a bump in the road or over a speed bump it was anoying the heck out of me and I looked and sure enough there was that sleeve that went over the shock. I am not sure what the purpose of that sleeve was but that was the problem. I have a 97 Expy.
 
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Old Mar 14, 2005 | 11:40 AM
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Replaced the shocks originally and that was not an issue.
 
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Old Mar 15, 2005 | 12:10 AM
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I am sorry I can't be more help to you. Good luck!!
 
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Old Mar 15, 2005 | 04:04 AM
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When does it clunk? When the springs compress or when the rebound?

In other words...when you HIT the bump or when the truck "comes' back down from hitting the bump?
 
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Old Mar 15, 2005 | 06:02 AM
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mine sounds like it makes the noise when the springs compress but the strange thing is I can't reproduce the sound by jumping up and down on the backend. It seems to rattle/clunk more frequently when I'm going down a rough road as oppose to going over speed bumps.
 

Last edited by npearman; Mar 15, 2005 at 06:05 AM. Reason: add more info
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