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Buzzy Vibration at certain RPM's..read before buying!

Discussion in '3rd Gen. Tacomas (2016+)' started by Doobiewah, Oct 25, 2015.

  1. May 20, 2019 at 1:43 PM
    #2541
    friendlywithbears

    friendlywithbears a tree falling in the woods

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    Well it must be summer again because my buzzing is back in full force. It goes away with the colder winter and just as I start to get complacent bam...

    I bought a dampener a while ago but misplaced it before it got installed. Am going to be installing one before the muffler to see how it goes.
     
    blkbelt42 likes this.
  2. May 20, 2019 at 2:08 PM
    #2542
    friendlywithbears

    friendlywithbears a tree falling in the woods

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    Will also be cleaning the MAF sensor. Needless to say after almost 4 years I'm definitely annoyed about it :)
     
  3. May 24, 2019 at 12:28 PM
    #2543
    friendlywithbears

    friendlywithbears a tree falling in the woods

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    Well I totally butchered my dampener. I guess the OD of the clamp I got was just a bit to big and it tore the dampening stuff off the mounting holes. Not sure what that stuff is but it is incredibly brittle. I might just try installing this dampener without the stuff around the holes, but will likely end up shopping for a different clamp and new dampener.
     
  4. Jun 3, 2019 at 11:08 AM
    #2544
    TriniPhantom

    TriniPhantom Well-Known Member

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    So just to be clear since I can't read thru 128 pages, Toyota accepts the steering buzz as normal, and has issued no fix/TSB for this. Also no one has found a good solution? Is this correct?
     
  5. Jun 3, 2019 at 12:47 PM
    #2545
    friendlywithbears

    friendlywithbears a tree falling in the woods

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    Exhaust dampener mentioned a few pages back with several other posts referenced seems to be the solution. Has been used on both tacoma and other Lexus cars that share this engine.
     
  6. Jun 3, 2019 at 12:57 PM
    #2546
    TriniPhantom

    TriniPhantom Well-Known Member

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    Thanks. Did this help all the buzzing vibrations or just the steering buzzing vibration?
     
  7. Jun 3, 2019 at 1:24 PM
    #2547
    GPatriot

    GPatriot Well-Known Member

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    I have both the steering and gas pedal "buzzy vibration." Had it to Toyota several times in it's 1st year and called Toyota corp to log it. They wouldn't do anything.
    I also tried the dampener and it didn't work for me. That reminds me, I need to go take off the extra dead weight.
    I will say that after towing my camper 2 weekends ago I didn't notice it at all. Then normal driving since and it gradually came back.
     
  8. Jun 3, 2019 at 1:32 PM
    #2548
    Trona

    Trona Member

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    Here's my current understanding and I'd love to be corrected:

    The buzzing vibration happens around 2200 rpm under slight load (as in going up a slight hill at a lower speed or pushing against the wind at 70 mph). Not all Gen 3 Tacomas have the problem and the seriousness of it varies as well. People have all sorts of theories about why. It has been reported that improvements using vibration dampers like above on the exhaust system have worked. Others have tried sound dampening materials under the carpets, under the accelerator pedal, etc. with varying results. They tried some of the following:
    • Dynamat Sound Deadener
    • Noico Sound Deadening Mat
    • Kilmat Automotive Sound Deadening Mat
    • HushMat Ultra Black Foil Dampening Pad
    • FatMat Sound Deadener
    • SoundQubed Q-Mat Sound Deadening Mat
    • Thermo-Tec Heat and Sound Suppressor
    I would like to buy a Gen 3 Tacoma and have put it off because I don't want to spend $40-$45k on a truck and then only be able to use it to go to Costco because it puts my hands and feet to sleep.
     
  9. Jun 3, 2019 at 2:27 PM
    #2549
    friendlywithbears

    friendlywithbears a tree falling in the woods

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    I was driving up steep hills today for long periods of time, and the steering wheel vibration was really bad. I have a dampener now that I'm going to try in different places and will report back.
     
  10. Jun 3, 2019 at 5:48 PM
    #2550
    GPatriot

    GPatriot Well-Known Member

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    Mostly true. The lower point of mine is at 2000rpms and up to 2200 or so. But depending on it's mood it does it all the time in that rpm range.
    I've never heard of any of the things in that list but I know several pages back there was one person that changed out the exhaust (cat-back) and said it went away. I'm not willing to shell out that much money though on a hope. Early on there were people that said it was the engine mounts because this V6 is in the Lexus that had hydraulic mounts whereas Toyota just did rubber mounts on this truck.
    My God if Toyota would just say what causes it I might pay or fix it myself! Its the only issue I have left with this damn thing lol
     
    Old Tundra Guy likes this.
  11. Jun 4, 2019 at 6:22 AM
    #2551
    TriniPhantom

    TriniPhantom Well-Known Member

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    Thanks for the feedback. It seems like the 3rd gen has a lot of resonance issues. The diff howl, these vibrations etc. To be honest I'm really surprised. I really expected more from Toyota. Seems like not enough research testing was done. All in all from the truck I came from before, 2004 Nissan Frontier, this is a world of difference, and I'm happy with it despite these gremlins. Nothing is perfect right :/
     
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  12. Jun 4, 2019 at 6:14 PM
    #2552
    friendlywithbears

    friendlywithbears a tree falling in the woods

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    Initial feedback from adding the exhaust dampener is a resounding improvement. Vibration was minimized throughout the range such that I didn't even notice and even forgot about it for a lot of the drive. It was not long distance so I'll update further as I drive more with it.

    Dampener was placed between the connection and the muffler.

    IMG_20190604_180421.jpg
     
  13. Jun 4, 2019 at 6:17 PM
    #2553
    TriniPhantom

    TriniPhantom Well-Known Member

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    link for dampener? Please and thank you sir :)
     
  14. Jun 4, 2019 at 6:29 PM
    #2554
    SpeySquatch

    SpeySquatch Function over Form

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    Along with the exhaust dampener, are you guys sure that part or all of the buzz isn’t the torque converter kicking on? The TC buzz is normal and also occurs in Jeeps
     
  15. Jun 4, 2019 at 7:02 PM
    #2555
    friendlywithbears

    friendlywithbears a tree falling in the woods

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    Part number is 17581-31010, searching online should give you a bunch of options. Make sure you use a clamp with a diameter that fits, one from Amazon did not but one from Napa was good.
     
  16. Jun 5, 2019 at 2:38 AM
    #2556
    blkbelt42

    blkbelt42 Well-Known Member

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  17. Jun 5, 2019 at 5:48 AM
    #2557
    friendlywithbears

    friendlywithbears a tree falling in the woods

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    TriniPhantom likes this.
  18. Jun 5, 2019 at 6:17 AM
    #2558
    TriniPhantom

    TriniPhantom Well-Known Member

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    Thanks!
     
  19. Jul 17, 2019 at 1:25 PM
    #2559
    Patrick1046

    Patrick1046 Well-Known Member

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    Has the damper eliminated the problem?
     
  20. Jul 17, 2019 at 4:04 PM
    #2560
    friendlywithbears

    friendlywithbears a tree falling in the woods

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    After several thousand miles, I can say no. I'm going to add one or two more and change where they are to see if that helps. I did put it pretty far toward the muffler.
     

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