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What's the vroom noise?

Discussion in '2.5 Gen Tundras (2014-2021)' started by SD Surfer, Oct 13, 2023.

  1. Oct 13, 2023 at 4:33 PM
    #1
    SD Surfer

    SD Surfer [OP] Globe Trotting Bon Vivant

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    So I learned on here about the ABS check "think" noise when yo first start rolling, but what's the little "Vroom/Whoosh" kinda' noise that lasts just a second or two right after you shut the engine off?
     
  2. Oct 13, 2023 at 5:40 PM
    #2
    Silver17

    Silver17 Used, but returned and sold as new member

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    Eibach pro 2.0s, toytec progressive mini AAL, ARE CX cap, Airlift bags, Harrop Supercharger, 650cc injectors, 77.5mm pulley, SABM, TRD Dual exhaust, Solid Offroad motor mounts, J&L catchcan, Powertrax LSD, FN BFDs with 285/75r18 Kenda R/Ts.
    Those would be the air injection pumps running briefly to get any condensation/moisture out of them at shutdown so it doesn’t sit in them and lead to quicker deterioration.
     
    WhiskeyOso and HulkSmurf14 like this.
  3. Oct 13, 2023 at 8:28 PM
    #3
    SD Surfer

    SD Surfer [OP] Globe Trotting Bon Vivant

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    Ahhhh, thank you sir! You explained that in terms that even my little pea-brain can understand!
     
    Silver17[QUOTED] likes this.

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