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Faint whistle or chirping sound when accelerating

Discussion in '3rd Gen Tundras (2014+)' started by bsavoir, Oct 13, 2018.

  1. Oct 13, 2018 at 4:28 PM
    #1
    bsavoir

    bsavoir [OP] New Member

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    I have noticed this for a bit now, whenever I accelerate I hear a faint whistling or chirping sound but as soon as I let off its gone.
     
  2. Oct 13, 2018 at 4:41 PM
    #2
    womprat57

    womprat57 BABE the Big Blue Ox

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    I get similar, like a faint coil whine going from 2nd to 3rd, curios what will turn up on this.
     
  3. Oct 13, 2018 at 4:49 PM
    #3
    Moon Puppy

    Moon Puppy New Member

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    Bad ground on something electronic?
     
  4. Oct 13, 2018 at 4:53 PM
    #4
    AndyCBR

    AndyCBR New Member

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    I have a new 2018 and have noticed the same. It seems more pronounced when the truck is cold. Kind of like a faint belt slipping squeal or a heat shield vibrating at high frequency.

    It really reminds me of a heat shied resonating at high frequency.

    Any TSB's out there?
     
  5. Oct 13, 2018 at 5:44 PM
    #5
    bsavoir

    bsavoir [OP] New Member

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    Not electronic, I don't hear it with the windows up or when the volume is up and no music plays. Just when there down. Most of the time can drown it out with music but times when I don't listen to it I hear it again.
     
  6. Oct 13, 2018 at 5:48 PM
    #6
    Rica25

    Rica25 Got Bam?

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    Have u guys replaced the stock engine filter? With aftermarket?
     
  7. Oct 13, 2018 at 6:01 PM
    #7
    AndyCBR

    AndyCBR New Member

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    OEM filter 5k miles. Been hearing this since day one. Mostly at 2k rpm just before shifts. As I said before it seems to be more pronounced when the engine is cold.

    Almost like a whistling noise for 1-2 seconds just before the shift from 2-3 and 3-4.

    I kind of figured it was just a characteristic of the engine or the heat shields vibrating until the entire system gets up to full operating temperature.
     
  8. Oct 13, 2018 at 6:21 PM
    #8
    BIGUGLY

    BIGUGLY I the SheepDog. I have the capacity for Violence.

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    Probably the wire filter before the throttle body. It creates a whistle at tea under acceleration. It is normally more pronounced with a high flow air filter. You can replace the wire filter gasket thing with just a gasket and it goes away.
     
  9. Oct 13, 2018 at 7:17 PM
    #9
    bsavoir

    bsavoir [OP] New Member

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    I do have a afe intake, I don't recall hearing when first installed it, but maybe it was just never pay to much attention.
     
  10. Oct 13, 2018 at 7:45 PM
    #10
    Phadedbeard

    Phadedbeard New Member

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    Watched a video recently of a screen being removed in the throttle body that causes the low rpm whistle
     
  11. Oct 13, 2018 at 8:04 PM
    #11
    Atomic City Tundra

    Atomic City Tundra Old guy in training

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    I get a pretty loud whistle/screeching sound when I turn off the nannies and press the accelerator in an aggressive fashion from a dead stop ......I thought that was normal.

    :burnrubber:
     
    15whtrd likes this.
  12. Oct 14, 2018 at 5:43 AM
    #12
    womprat57

    womprat57 BABE the Big Blue Ox

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    Just a K&N drop in filter here.
     
  13. Oct 14, 2018 at 5:45 AM
    #13
    womprat57

    womprat57 BABE the Big Blue Ox

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    HAHAHA yeah thats happened a few times, but i think I got that one figured out :bananadance:
     
    Atomic City Tundra likes this.

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