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Help...high pitched noise is driving me crazy!!!

Discussion in '3rd Gen TRD Pro (2014+)' started by Ski65nut, Aug 1, 2018.

  1. Aug 1, 2018 at 5:24 AM
    #1
    Ski65nut

    Ski65nut [OP] New Member

    Joined:
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    Vehicle:
    2016 Tundra TRD Pro
    Lund bull bar with LED ligh bar, backflip bed cove, huskey mats, front window tints, center console divider, rear sway bar, Nitto Trail Grapplers
    thanks in advance for any and all help. I have a 2016 Tundra TRD Pro that is making a very high pitched noise (sounds almost like a high pitched brake squeal) on passenger side front when slowly shifting between 2200 & 2600 RPMs. The only thing New on the truck are my tires Nitto Trail Grapplers LT295/70r18

    The dealer initially though it was the the computer fan and changed the computer, but that wasn’t it. Now the truck has been at the dealer for 3 days and they think it may be wind noise. I think they are way off base because the noise happens at any speed when I am in the 2200-2600 RPM shift range
     
  2. Aug 1, 2018 at 5:54 AM
    #2
    Jrfor0

    Jrfor0 New Member

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    Colorado
    I get a similar high pitch noise that is more like a whistle from the same area around the same rpm. It only started making the noise after I changed to a high flow air filter so I assume it is the seal/screen inside the throttle body. There is a thread or two on here that goes over how to get rid of it by replacing the seal with one from the 4.6L motor, but I have been too lazy to do the mod yet.
     
    15whtrd likes this.
  3. Aug 1, 2018 at 6:29 AM
    #3
    tomsinamerica

    tomsinamerica New Member

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    Tom
    Durham, NC
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    it's the air intake I think. With the TRD intake you get a whistle from the wire filtery thingy further upstream. There's a thread somewhere on how to remove that wire grid thing
     
    Ski65nut [OP] likes this.
  4. Aug 1, 2018 at 7:27 AM
    #4
    Jrfor0

    Jrfor0 New Member

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  5. Aug 1, 2018 at 8:27 AM
    #5
    OBXTundra

    OBXTundra New Member

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    Air intake. My truck came with a K&N with K&N filter. I don't like K&N products and I really don't like oiled filters. I didn't have the stock intake, so I still have the K&N intake. But I switched the filter to an AFE Dri Filter. Immediately after making that switch in filters I noticed the EXACT noise at the EXACT RPM's you are describing. And it is 100% effected by the position of the throttle as well, move the throttle around a little when you hear the noise, I bet it changes with movement of the throttle.
     
  6. Aug 1, 2018 at 9:37 AM
    #6
    bowhun2r

    bowhun2r New Member

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    Steeler Nation
  7. Aug 10, 2018 at 6:41 AM
    #7
    Ski65nut

    Ski65nut [OP] New Member

    Joined:
    Sep 12, 2017
    Member:
    #9625
    Messages:
    2
    Gender:
    Male
    Vehicle:
    2016 Tundra TRD Pro
    Lund bull bar with LED ligh bar, backflip bed cove, huskey mats, front window tints, center console divider, rear sway bar, Nitto Trail Grapplers
    Thanks everyone for the help. The dealer had the truck for 5 days and told me basically the same thing. I guess now I believe them.
     

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