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Humming/Rattle in cab when RPM 1800-2000

Discussion in '3rd Gen Tundras (2014+)' started by JPritch22, Jan 12, 2018.

  1. Mar 12, 2019 at 1:26 PM
    #91
    r1-superstar

    r1-superstar Kailua Boy

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    See my post above ^^^ Sounds like we may be having the same issue.
     
  2. Mar 12, 2019 at 2:21 PM
    #92
    Max Power

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    Just saw your post, that might be what's happening with mine, though my RPM range is a little lower than yours, and the noise is most apparent when the engine is "droning". I tried unsuccessfully today to get the glove box off, but I take off the dash piece directly above the glove box, which allows access to the area behind the dash just above the glove box. Since the truck was already warmed up, by the time I got this piece off, it wasn't buzzing at me anymore, but I tried to make sure everything was tightened down. The one thing I did notice was that there is a bundle of wires running parallel to one of the those metal tubes you mentioned, you can see the multi-colored wire bundle in the opening on the far left. Those wires had some play in them, and they were resting on the metal tube. So I zip tied those wires tightly. You can see the zip tie in this picture. When I had my 2016 Tacoma, I had a buzzing noise from the glove box area and the culprit was a similar bundle of wires. I have no idea if this solution is going to work, but I figured it was worth a shot. Please keep us posted if your solution of wrapping hose around those metal pipes works. This is the one thing about my truck that is driving me crazy.
    IMG_8973.jpg
     
  3. Mar 12, 2019 at 2:25 PM
    #93
    r1-superstar

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    I've taken my glovebox off five times already. I'm a Pro! haha I can give you tips if you need them. Nice work on what you are doing. Hope it helps your cause. Mine is definitely coming from the area of the two silver tubes. But its weird that its most noticeable when the heater is on.
     
  4. Mar 12, 2019 at 2:29 PM
    #94
    Max Power

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    I got the glove box half off, but I got nervous when it came to screwing around near the airbag and I didn't want to mess with it too much. That's all I need is to create some fault in the SRS system and have to take it to the dealer. So I put it back together, and somehow have a screw left over and can't figure out where the heck it goes. If my current solution doesn't work and the glove box must come off, I suppose I can figure it out then. I really, really hope my zip ties worked....
     
  5. Mar 12, 2019 at 3:12 PM
    #95
    B737

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    no one has a sound bite / video of this issue?
    Its like a drone / resonance sound?
     
  6. Mar 12, 2019 at 4:23 PM
    #96
    r1-superstar

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    Got it fixed!!! I went ahead and wrapped each tube with radiator hose cut to fit. I zip tied the hose on and zip tied the two tubes together. This eliminated the rattle/buzzing sound. Word of caution; these pipes get HOT!!

    20190312_115952.jpg 20190312_162402.jpg
     
    Last edited: Mar 12, 2019
  7. Mar 12, 2019 at 4:41 PM
    #97
    Finch

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    Cool! Where are you taking this picture from? The piece removed above the glove box?

    I've only had my truck a month now but heard a buzzing noise when a truck with a loud exhaust and a car with some bass drove by me. It sounded low or underneath the dash. I removed that lowest piece under the glovebox and found two dry crunchy leaves. Im thinking I was hearing those. If not, I'll do what you did.
     
  8. Mar 12, 2019 at 5:03 PM
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    ardnutoz

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  9. Mar 12, 2019 at 5:06 PM
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    ardnutoz

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    Last edited: Mar 12, 2019
  10. Mar 12, 2019 at 5:45 PM
    #100
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    The blower motor has the blue and white sticker on it that reads 44. In my first picture, the metal in the left foreground is the part that the glovebox attaches to. The two silver tubes are going through the firewall. Both pics are taken looking straight in. All the plastic to the left is behind the center console of the dash.
     
  11. Mar 12, 2019 at 6:31 PM
    #101
    Finch

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    Gotcha...thanks.
     
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  12. Mar 12, 2019 at 9:52 PM
    #102
    r1-superstar

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    Keep us posted on your scenario and hopeful fix.
     
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  13. Mar 13, 2019 at 2:04 AM
    #103
    Finch

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    Will do.
     
  14. Mar 15, 2019 at 5:48 AM
    #104
    Max Power

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    My tip zie solution did not work. Next up, take a friend out with me to confirm that these two pipes are what is causing the noise, and try the solution shown above. I won't give up!
     
  15. Mar 15, 2019 at 6:06 AM
    #105
    War Machine

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    Easy fix.

     
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  16. Mar 17, 2019 at 7:49 AM
    #106
    Max Power

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    I just confirmed it, this is the issue I'm having as well. I popped the dash piece off and had a friend reach back there. When the buzzing was happening, he pushed on the metal tube he could reach and the buzzing stopped. Now i just have to figure out how to get the glove box off. I might just take it into the dealer and ask them to do it. They genuinely seemed interested in trying to fix the issue last time I was there but the truck wasn't making the noise at the time and they couldn't pin point the source.
     
  17. Mar 18, 2019 at 3:53 PM
    #107
    Max Power

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    Took her into the dealer to get an opinion. The dealer said they'd need to be able to replicate the noise, verify that it's the heater tubes, and would then have to consult with Toyota on a fix.

    So I'll fix it myself. I can access the tubes with the kick plate below the glove box removed. I'm not going to put the radiator hose on, but I found heat stabilized nylon zip ties on Amazon that are rated for continuous use in temperatures up to 257F. It won't be hard to snake a zip tie up there and across both tubes, which will hopefully tighten things up and remove the tolerance/play that is allowing the buzzing. I'll update if this relatively simple solution winds up working.
     
  18. Mar 18, 2019 at 4:00 PM
    #108
    r1-superstar

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    My buzzing/rattle has stopped for good. I'm glad you found it was the same thing as mine. Just be sure to only zip tie the tubes enough to stop the noise. I didn't want to put too much stress on the tubes.
     
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