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Brief groaning sound after start

Discussion in '2.5 Gen Tundras (2014-2021)' started by MistrRoboto, Jul 10, 2024.

  1. Jul 10, 2024 at 8:11 AM
    #1
    MistrRoboto

    MistrRoboto [OP] '17 MGM SR5 TRD CrewMax

    Joined:
    May 23, 2017
    Member:
    #7836
    Messages:
    647
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    Male
    Virginia Beach, VA
    Hey all, hoping to get some advice on an issue I am having.

    Right after start, my truck starts to groan from the engine bay. It generally goes away after the first 20-60 seconds after start. Seems to be most persistent when I start to move, generally backing out of the driveway. Video link below.

    https://photos.app.goo.gl/aDGZDqqK4iKiU1wXA

    Belt and tensioner are new due to some squeaking, but that didn't have any impact on the issue, positive or negative.

    Might also be worth noting that when the air conditioning is on, I perceive a slight howling at some RPMs, BUT, having the HVAC on or off does not impact the issue mentioned above.

    Thanks!
     
  2. Jul 10, 2024 at 8:18 AM
    #2
    AZBoatHauler

    AZBoatHauler SSEM#140/3URx2/BAF140

    Joined:
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    So.Arizona
    Vehicle:
    2017 CrewMax 4x4, 2017 LandCruiser, 2005 Sequoia 4x4
    Demello / SOB Fab Bumpers, SuperWinch, WKOR sliders, RCI skids, Baja Designs lighting, Billy 6112 and 5160 w/ CB +2, JL Audio with Alpine HU, DD 10" Exhaust, LED headlights, Rago fab mounts, 35” BFG, HAM radio
    Fan clutch?
     
    KNABORES likes this.
  3. Jul 10, 2024 at 9:59 AM
    #3
    KroppDuster

    KroppDuster Out with the old and in with the...older?

    Joined:
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    Here. There. Everywhere.
    Vehicle:
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    I think I'm deaf. I had my speakers and the video volume all the way up and couldn't hear it.
     
  4. Jul 10, 2024 at 10:02 AM
    #4
    MistrRoboto

    MistrRoboto [OP] '17 MGM SR5 TRD CrewMax

    Joined:
    May 23, 2017
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    Virginia Beach, VA
    Odd. Do you hear me shifting into reverse, or nothing at all? Its pretty distinct!
     
  5. Jul 10, 2024 at 10:04 AM
    #5
    KroppDuster

    KroppDuster Out with the old and in with the...older?

    Joined:
    Dec 7, 2021
    Member:
    #71535
    Messages:
    2,000
    Here. There. Everywhere.
    Vehicle:
    2021 SR5 TRD Off Road - Cavalry Blue
    Is it that quick squeak at :02?
     
  6. Jul 10, 2024 at 10:19 AM
    #6
    MistrRoboto

    MistrRoboto [OP] '17 MGM SR5 TRD CrewMax

    Joined:
    May 23, 2017
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    Virginia Beach, VA
    Yes. Then problem noise at 6-9 seconds, briefly at 10-11, and 15.
     
  7. Jul 10, 2024 at 11:20 AM
    #7
    AZBoatHauler

    AZBoatHauler SSEM#140/3URx2/BAF140

    Joined:
    Aug 13, 2019
    Member:
    #34576
    Messages:
    7,354
    Gender:
    Male
    First Name:
    Adam
    So.Arizona
    Vehicle:
    2017 CrewMax 4x4, 2017 LandCruiser, 2005 Sequoia 4x4
    Demello / SOB Fab Bumpers, SuperWinch, WKOR sliders, RCI skids, Baja Designs lighting, Billy 6112 and 5160 w/ CB +2, JL Audio with Alpine HU, DD 10" Exhaust, LED headlights, Rago fab mounts, 35” BFG, HAM radio
    It sounds like harmonic resonance at the times OP noted.
     
  8. Jul 10, 2024 at 3:36 PM
    #8
    gizardlizard

    gizardlizard New Member

    Joined:
    Oct 18, 2022
    Member:
    #85072
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    117
    Gender:
    Male
    Madison,WI
    Vehicle:
    2017 TRD pro Tundra
    6” lift, 35 inch tires, chrome delete, ridiculous stereo
    My truck has the exact same issue but only when it’s cold outside. I’ve yet to figure it out. New alternator, idler, tensioner and fan clutch is next.
     

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