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Severe bouncing on the highway

Discussion in 'Suspension' started by Aterr55, Nov 13, 2015.

  1. Nov 13, 2015 at 4:32 AM
    #1
    Aterr55

    Aterr55 [OP] New Member

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    Hello all, I have a suspension issue. I am experiencing severe bouncing when on the hi way .usually the concrete this happens at speeds above 50 but is very dependent on the road. Any help on a fix or mod.
    This my first Tundra and I love this truck. Formerly a chevy guy.
    Please help.
     
    Sean266 likes this.
  2. Nov 13, 2015 at 7:31 AM
    #2
    chphilo

    chphilo New Member

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    Welcome to the forum.

    There was TSB on this issue some time ago. Check with your local Toyota dealer to see if your truck is eligible. My local dealership checked mine and said there's no issue with bouncing (which I don't). I think DC is more likely to suffer from this than CM.
     
  3. Nov 13, 2015 at 8:00 AM
    #3
    MotoTundra

    MotoTundra Adrenaline Addict

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    How many miles.on your truck? Did it always happen or just start recently? Still under warranty?
     
  4. Nov 13, 2015 at 8:04 AM
    #4
    mdavis

    mdavis Tiger Life

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  5. Nov 13, 2015 at 8:14 AM
    #5
    Sean266

    Sean266 #ThinBlueLine Staff Member

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    Welcome! Like they said, check for a TSB
     
  6. Nov 13, 2015 at 9:24 AM
    #6
    Airbagged

    Airbagged New Member

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    More than likely you have a tire that is out of round, or has developed separation. If no tire issue is found, I would check your shocks.
     
  7. Nov 13, 2015 at 12:29 PM
    #7
    Wynnded

    Wynnded Wait, what?

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    It could just be a resonance from the combination of wheelbase and the seams in the concrete sections. I get this in my Standard Cab on a particular section of concrete roadway every time.
     
    Relentless, 15whtrd and matluth like this.
  8. Nov 13, 2015 at 1:01 PM
    #8
    csuviper

    csuviper Moderator Staff Member

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    Happens to me as well on some sections of concrete road.
     
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  9. Nov 13, 2015 at 8:22 PM
    #9
    matluth

    matluth Fish On!

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    Infamous "bed bounce". I only notice it on concrete sections at certain speeds. Definitely a resonance issue. My friend Amy noticed the same thing with her Crew Max on certain new concrete sections on I-25.
     
  10. Nov 14, 2015 at 2:57 AM
    #10
    Jack Burton

    Jack Burton Jorts Rule!

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    Ya, my '13 DC gets it on particular sections of concrete freeway. It used to be a lot worse when I was running bareback, but now that I have ~250 lbs permanently in/on the back of the truck (tonneau + gear box) it isn't much of an issue. I was behind a crap dodge a while back and he was getting it much worse than me.

    Welcome OP!
     
  11. Nov 14, 2015 at 4:45 AM
    #11
    George14

    George14 New Member

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    Got 2014 DC Trd no bounce yet. Welcome from W Va
     
    Last edited: Nov 14, 2015
  12. Nov 14, 2015 at 5:47 AM
    #12
    Jack Burton

    Jack Burton Jorts Rule!

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    I do recall reading back in late '13 that this was one of the issues Toyota was working to resolve with the '14 and going forward. They'd had too many customer complaints to ignore it.
     
  13. Nov 14, 2015 at 7:02 AM
    #13
    15whtrd

    15whtrd New Member

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    Mine does it on certain sections of the 110 freeway from what I've noticed so far. I noticed it's worse now that I have bumped up the tire pressures. Sometimes it is so bad that it feels like I might drift into the next lane. I know how to drive so if it doesn't bother me too bad. Most of the time it's smooth as a Cadillac. I plan on putting a cap on the bed I'm sure this will eliminate most of it. I've been in other trucks with similar wheelbase and they do it also. My buddies SRT 10 ram DC does it horribly! Probably added that his wheels are 22 inch and suspension is stiff as F.
     
  14. Nov 14, 2015 at 7:10 AM
    #14
    matluth

    matluth Fish On!

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  15. Nov 14, 2015 at 6:48 PM
    #15
    Relentless

    Relentless Tundra newb Vendor

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    I notice it BAD on one section of concrete freeway in the city here. My truck bounces in the rear quite a bit around 45-60, get over that range and it seems to not be in the right frequency to upset the suspension. I also notice around 400-600 pounds in the bed makes it go away, though my trailer behind my truck(empty car trailer) will make it incredibly bad around 50mph
     
  16. Nov 14, 2015 at 8:18 PM
    #16
    Wynnded

    Wynnded Wait, what?

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    I just replaced all my shocks this past weekend after I noticed one of the front ones leaking. I'll have to try to pay attention the next time I hit the particular section of highway that my truck responds too.

    Just to clarify what I feel I'm experiencing, I sometimes call it "jeeping", as it seems to me to be so closely wheelbase related. It's more of forward and back bucking sensation not unlike getting into the whoops at exactly the wrong speed, usually just a bit too slow. Can also be a result of inappropriate suspension/shock tuning for the terrain/condition or happening upon that resonant frequency, like exhaust drone.
     
  17. Nov 17, 2015 at 7:44 PM
    #17
    cotundra97

    cotundra97 New Member

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    Is there a fix if you change springs? I think the 3" Pro-Comp lift puts a preload on the stock springs making this worse. Will changing springs fix this?
     
  18. Nov 18, 2015 at 11:19 AM
    #18
    Lee's rig

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    I noticed this with my friends 2013 stock sr5 DC 6.5 ' bed. I have a 2014 sr DC 8' bed with 3/2 level from ready lift and my truck isn't as bad as his. May be the extra wheel base ? I do get on certain sections of hiways asphalt or concrete guess it depend on the pattern of bumbs verse wheels and speed. At one point I did loose some wheel weighs and that was very noticeable
     
  19. Nov 18, 2015 at 11:28 AM
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    Lee's rig

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    I have factory shocks on and did not notice much difference In the ride with lift installed I may not understand how this actually works but from my understanding I don't believe you are preloading the shocks you are just moving them. If you hit a big bump or put to much weight in you can bottom them out easier with lift becuase you tire can Now go up further than it was designed for. They make laerger bump stops for that. If the were preloaded That would stimulate weight in the truck which would make it ride smoother. MY take on it. I may not be right
     
  20. Nov 18, 2015 at 11:29 AM
    #20
    flynbyu2

    flynbyu2 I'm your huckleberry...

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    All stock suspension?
     
  21. Nov 18, 2015 at 7:44 PM
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    Lee's rig

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    Yes still stock shocks. Never off road really so performance there wasn't an issue. Like a certain look and took that route . it's my work truck as well as family truck . too many things to spend money on these trucks!!! A differential spacer kit was installed to try to keep everything lined up .
     
  22. Nov 23, 2015 at 10:18 AM
    #22
    cotundra97

    cotundra97 New Member

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    Very annoying on concrete highways. No way this is normal. Issue is if I replace the springs to get rid of the spacer and replace the shocks it is likely Toyota voids my warranty.
     
  23. Jan 12, 2016 at 7:43 PM
    #23
    csuviper

    csuviper Moderator Staff Member

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    @jberry813 does your truck bounce still with the King Shocks and CB extended shackles?
     
  24. Jan 12, 2016 at 8:27 PM
    #24
    jberry813

    jberry813 The Mad Scientist

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    I tuned most of it out with valving and playing with shock nitrogen pressure. But as @Relentless said, there is a section of highway in Reno that still gives me ass shakes. Any amount of weight over 150 lbs or so in the bed and it goes away. Once I get a larger spare stuffed under the bed I expect it to be mostly if not all gone. The extra weight being low and behind the axle should be enough.
     
  25. Jan 12, 2016 at 8:31 PM
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    jberry813

    jberry813 The Mad Scientist

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    Nothing you do to the front will fix the rear. Doesn't work like that.

    That's not how warranties work. They can void components that can be affected by a modification and they certainly won't warrenty any aftermarket parts you add. But replacing shocks isn't going to void shit.
     
  26. Feb 24, 2016 at 7:14 PM
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    ColoradoTJ

    ColoradoTJ I'm a boob guy.

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  27. Feb 24, 2016 at 8:21 PM
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    csuviper

    csuviper Moderator Staff Member

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    Interesting device
     
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  28. Feb 24, 2016 at 8:28 PM
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    jlee

    jlee New Member Vendor

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    Oh one or two.
    Yep same shocks as Jason and mine does it as well on rough concrete at highway speeds.
     
  29. Feb 24, 2016 at 8:31 PM
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    TruckyTruck

    TruckyTruck New Member

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    After I installed coachbuilders shackles and polyurethane bushings, I stopped getting bed bounce.
     
  30. Feb 24, 2016 at 9:54 PM
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    csuviper

    csuviper Moderator Staff Member

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    Hmm. Def want to do the bushings.
     
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