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96 850 Front end creaking over bumps 850

posted by  fireman_bob on  Thu Jan 21 08:49 CST 2010
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last visit: Fri Jan 24 11:32 CST 2014
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Hi,
My 96 850 (224k miles) has recently developed a creaking noise when going over even the slightest bumps in the road from the passenger side front end. If the car is not moving and I move the front end up and down, I don't hear the noise. It's only when the car is moving.
Any ideas?
Thank you.







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    96 850 Front end creaking over bumps 850

    posted by  TimeToBakeTheDonuts on  Fri Jan 22 14:43 CST 2010
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    last visit: Thu Aug 29 16:10 CST 2013
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    At first glance this seems like the spring seat, though sharp-shooter Klaus passed right past the low hanging fruit.

    Does it happen at low speed only, around 15-30 mph? As I recall, when my spring seat was bad, the slightest bump in the road, at slow speeds only, caused a nasty creaking sound.








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    96 850 Front end creaking over bumps 850

    posted by  KlausC on  Thu Jan 21 14:27 CST 2010
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    last visit: Fri Oct 24 10:15 CST 2014
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    It could be when the suspension relaxes after being compressed, not during the compression cycle.

    Take a look at the sway bar end links. They should be tight if you try to wiggle them by hand.

    Klaus
    --
    Proud owner of a 220S. If I had more room, I would have more Volvos.








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      96 850 Front end creaking over bumps 850

      posted by  fireman_bob on  Fri Jan 22 13:37 CST 2010
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      last visit: Fri Jan 24 11:32 CST 2014
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      Hi,
      I can wiggle them slightly by hand. Both sides seem to be about equal, but only the right side is making the noises. I guess the next step is to take off the spring and see if the spring seat is bad, unless you have any other ideas.
      Thanks.








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        96 850 Front end creaking over bumps 850

        posted by  KlausC on  Fri Jan 22 14:12 CST 2010
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        last visit: Fri Oct 24 10:15 CST 2014
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        Spring seat is easier to check. Just take a large wrench or pliers and turn the large nut on top of the strut tower clockwise. If it turns, the spring seat is bad.

        I guess you will need new end links.

        Klaus
        --
        Proud owner of a 220S. If I had more room, I would have more Volvos.








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          96 850 Front end creaking over bumps 850

          posted by  fireman_bob on  Fri Jan 22 15:21 CST 2010
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          last visit: Fri Jan 24 11:32 CST 2014
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          I swapped the sway bar links and the noise stays on the right side. The bottom boots on both links were cracked and once I took it off, I found the right side link was pretty loose on the bottom. I'll try your test for the spring seat in the morning.
          Thank you for your help.







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            96 850 Front end creaking over bumps 850

            posted by  fireman_bob on  Sat Jan 23 02:17 CST 2010
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            last visit: Fri Jan 24 11:32 CST 2014
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            I did your test by turning the nut on the shock and sure enough, the right side spins almost free and the left side binds up after a short distance. I guess I'll be replacing the sping seat. Your test was right on! Thanks for your help.






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