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Suspension issues

Discussion in 'Trucks [ Eighteen Wheelers ]' started by KittyKicker, Jan 14, 2016.

  1. Jan 14, 2016 #1
    KittyKicker

    KittyKicker Light Load Member

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    Dec 27, 2015
    0
    I put 6 new Monroe shocks on my truck right after I bought it. Within a couple weeks, the right rear shock had blown out. I got it replaced under warranty, and about 8 weeks later, the same shock is blown again. The truck is a 2003 w900L with the AG380/Flex Air suspension. The truck rides like a dump truck and has a bounce that comes and goes. I also put 10 virgin tires all the way around and had the balance checked after the first shock blew. Suspension bushings seem fine, 4 new air bags, right height ok per kenworth. No visible damage to any components. Also had the tire shop lift the axles and spin all the drives, they said everything looked good. Thoughts?
     
    KittyKicker, Jan 14, 2016
    KittyKicker, Jan 14, 2016
    #1
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  3. Jan 14, 2016 #2
    RustyBolt

    RustyBolt Road Train Member

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    Feb 21, 2015
    Bement, IL
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    I would take it to some place that specializes in suspension, not tires. If you're through Illinois at all, I'd recommend Burke Spring & alignment (http://www.burkespring.com/). Two locations. One just off I-74 on IL-1. And one not far off I-70 in Terre Haute, IN. Good folks that won't try to cheat you out of your socks.
     
    RustyBolt, Jan 14, 2016
    RustyBolt, Jan 14, 2016
    #2
  4. Jan 14, 2016 #3
    RustyBolt

    RustyBolt Road Train Member

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    Feb 21, 2015
    Bement, IL
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    Shoot. Call them up. They may even give you a good idea what the issue is over the phone. Won't know til you ask.
     
    RustyBolt, Jan 14, 2016
    RustyBolt, Jan 14, 2016
    #3
  5. Jan 14, 2016 #4
    KittyKicker

    KittyKicker Light Load Member

    196
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    Dec 27, 2015
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    Thanks for the info. I go through Terre Haute a lot, so maybe I'll get in touch with them there.
     
    KittyKicker, Jan 14, 2016
    KittyKicker, Jan 14, 2016
    #4
  7. Jan 17, 2016 #5
    dustinbrock

    dustinbrock Road Train Member

    1,308
    901
    Apr 19, 2012
    North Battleford, SK
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    My 2006 volvo 630 does the exact same thing. I cannot get the right rear shock to go more than a few months before the dust cover breaks. Shock is still good on mine but I have to weld or replace it.
     
    dustinbrock, Jan 17, 2016
    dustinbrock, Jan 17, 2016
    #5
  8. Jan 18, 2016 #6
    Pool6710

    Pool6710 Medium Load Member

    662
    258
    Aug 10, 2014
    Minnesnowta
    0
    My truck shakes also. Changed everything besides the axles and it still shakes.
     
    Pool6710, Jan 18, 2016
    Pool6710, Jan 18, 2016
    #6
  9. Nov 8, 2017 #7
    Jt20

    Jt20 Bobtail Member

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    4
    Sep 3, 2016
    0
    Did you ever figure out the problem with the ag380? My truck also rides rough like a Dump
     
    Jt20, Nov 8, 2017
    Jt20, Nov 8, 2017
    #7
  10. Nov 9, 2017 #8
    rollin coal

    rollin coal Road Train Member

    13,488
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    Mar 29, 2008
    TN
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    I remember this thread and curious if OP did figure out what the issue was. I have an AG380 too but mine rides smooth as silk. Original bushings too 1.4 million the only ones that are new that have been replaced are the crossbars but it never had rough riding issue unless there was bad tire(s) or shock(s).
     
    rollin coal, Nov 9, 2017
    rollin coal, Nov 9, 2017
    #8
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