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Truck "grounding" out over bumps

Discussion in '2nd Gen. Tacomas' started by dougmays, Feb 19, 2009.

  1. Feb 19, 2009 at 11:43 AM
    #1
    dougmays

    dougmays [OP] Well-Known Member

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    i have a 07 Dbl. cab SR5 4x4....and there is a "bump" in the i go over almost everyday leaving work and normally its not a big deal but if i have 4-5 people in my truck, i bottom out...ie: hear the thud of the bumper stop (is that the name of it) when i go over the bump.

    it happened to day and the people in my truck weren't necessarily large, i'm probably the biggest by far and i'm 230lbs. I would assume that my truck could handle this much weight going over a big bump. Does anyone notice similar performance? do i need the leaf spring TSB? other then this i dont notice any other grounding....i've carried large items in my bed and tow around a 21' open fisherman with no sagging or problems.

    i know some might say "slow down over the bump"..but i was still assume the truck can handle it.

    any ideas?
     
  2. Feb 19, 2009 at 11:46 AM
    #2
    Bearskill

    Bearskill Well-Known Member

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    Sounds like a shue in for the tsb. or get an aal.
     
  3. Feb 19, 2009 at 11:49 AM
    #3
    Evil Monkey

    Evil Monkey There's an evil monkey in my truck

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    Definitely get the TSB done. It'll get you new leaf springs and new TRD shocks all around.
     
  4. Feb 19, 2009 at 11:49 AM
    #4
    dougmays

    dougmays [OP] Well-Known Member

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  5. Feb 19, 2009 at 1:21 PM
    #5
    rachunter

    rachunter Well-Known Member

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    They will only do the TSB in the first 3 years or 36,000 miles. Looks like you just missed it.
     
  6. Feb 19, 2009 at 1:23 PM
    #6
    jasonh

    jasonh tossed salad anyone?

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    you can still add an extra leaf to the spring. that should help with the bottoming out
     
  7. Feb 19, 2009 at 1:44 PM
    #7
    dougmays

    dougmays [OP] Well-Known Member

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    how much does that cost? what brands? will that change the way my truck rides?
     
  8. Feb 19, 2009 at 1:46 PM
    #8
    Jester243

    Jester243 ( ͡° ͜ʖ ͡°)

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    You are not that far out of the warrenty, I would give Toyota a call. If that fails try a local dealership, sometimes Toyota will cover items under something like a "good will" move. Who knows might work, if that fails too then go for the AAL. Let us know how it turns out.
     
  9. Feb 19, 2009 at 1:54 PM
    #9
    jasonh

    jasonh tossed salad anyone?

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    it will probably make it a little stiffer but not bad. i dont know exact price but probably under 50 bucks if you put it on your self.
     
  10. Feb 19, 2009 at 2:51 PM
    #10
    WilsonTheDog

    WilsonTheDog Kylie's dad

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    Fat Bob's Garage has an AAL for $39. Definitely try Toyota first, though.
     
  11. Feb 19, 2009 at 3:44 PM
    #11
    surfsupl

    surfsupl Well-Known Member

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    I heard that Bilstein is having a sale on their big & tall shocks. :D
     
  12. Feb 19, 2009 at 3:49 PM
    #12
    jolayiv

    jolayiv Carolina Alliance

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    Several members have had the TSB done while out of warranty. Give toyota a call on the 1-800# they would most likely work with you a little more.
     
  13. Feb 19, 2009 at 4:04 PM
    #13
    PPD934

    PPD934 Well-Known Member

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    it'll make it a little stiffer but not to bad several of us have had the tsb done and then added another leaf spring and we still have all out teeth
     
  14. Feb 19, 2009 at 4:28 PM
    #14
    BAT24

    BAT24 Well-Known Member

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    The sound you may have heard was your front mud flap scraping going over the speed bump. I had that happen with my 08 Double Cab Rugged Trail when it had about 1000 miles on it. I heard the noise thought WTF then backed up and went over the speed bump again with a buddy watching, sure enough it was the 7 foot long mud flap dragging. In my opinion they are about 4 inches to long. Check it out hopefully that is all it is especially if you have towed a boat before with no sagging issues... Good Luck
     
  15. Feb 19, 2009 at 4:31 PM
    #15
    dougmays

    dougmays [OP] Well-Known Member

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    actually i dont have my front mud flaps on, but i know the sound your talking about. unfortunately this is coming from the back and you feel the truck frame hit. but what is weird about this is i've towed my boat and a 3/4ton truck ona trailer and no sack. just hard/fast hits make it slam down.
     
  16. Feb 19, 2009 at 4:38 PM
    #16
    BAT24

    BAT24 Well-Known Member

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    Dude that sucks, nothing is ever easy is it. I guess I should have asked if the flaps where still on before I rambled on. Good luck with the TSB hopefully your local dealership will get you taken car of.
     
  17. Feb 20, 2009 at 12:47 PM
    #17
    dougmays

    dougmays [OP] Well-Known Member

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    well i called my local toyota dealership and they said they cant fix it for me because toyota wont cover the cost. Told me to call toyota headquarters. So i did and the lady put in a ticket for a service manager to call me. but it sounded like not much will happen because i'm out of warranty and "never complained about the problem before"

    :mad:
     
  18. Feb 20, 2009 at 12:53 PM
    #18
    Jester243

    Jester243 ( ͡° ͜ʖ ͡°)

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    are there other dealers in your area? You might want to try them as well.

    Good luck
     
  19. Feb 20, 2009 at 3:21 PM
    #19
    nvdeserted

    nvdeserted Well-Known Member

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    It's not necessarily a bad thing if you occasionally hit the bump-stops... they are there for a reason; but if you are really hammering the bumpstops then you need to stiffen up the suspension. An Add-a-leaf should be more than sufficent.

    Make sure you don't have a bad swaybar bushing or a broken shock-mount or something... those make hideous bang noises too.
     
  20. Feb 20, 2009 at 3:24 PM
    #20
    hillbillytaco

    hillbillytaco HOT!!

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    my pap has an 06 dbl cab sport and it had 38000 on it and toyota did the tsb no questions asked so give them a try
     
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