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Wu wu wu front end sound

Discussion in '1st Gen Tundras (2000-2006)' started by Blueranger501, Mar 8, 2020.

  1. Mar 8, 2020 at 2:50 PM
    #1
    Blueranger501

    Blueranger501 [OP] New Member

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    I’ve been doing a lot of searching and can only find this issue for the 2nd gens.

    I have brand new wheel bearings and Aisin manual hub conversion. Confirmed that both half shafts and front drive shaft spin freely.

    Sound comes on at 45mph and the frequency of the wuwuwu gets faster with speed. Swapped in my full size spare and still have it. Any other ideas? Driving me crazy!
    Thanks.
     
  2. Mar 8, 2020 at 2:56 PM
    #2
    FrenchToasty

    FrenchToasty Desert rat

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    Put it in 4hi and see if it goes away
     
  3. Mar 8, 2020 at 3:14 PM
    #3
    Blueranger501

    Blueranger501 [OP] New Member

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    Forgot to say I did that too. No dice.
     
  4. Mar 8, 2020 at 3:43 PM
    #4
    hagrid

    hagrid Ich habe sie gespritzt

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    Good Lord, I hope not. Need to save money for fuel.
    Sweet... another dub step thread!

    Sit back and wait for the dank to drop.
     
  5. Mar 8, 2020 at 3:44 PM
    #5
    hagrid

    hagrid Ich habe sie gespritzt

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    Good Lord, I hope not. Need to save money for fuel.
  6. Mar 8, 2020 at 4:09 PM
    #6
    Medic343

    Medic343 5+4+3=2

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    What type of tires so you have in your truck? How new or worn are they? That's my first guess
     
  7. Mar 8, 2020 at 4:15 PM
    #7
    smslavin

    smslavin Behind a lens...

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    Some stuff
    are you listening to the...

     
  8. Mar 8, 2020 at 4:17 PM
    #8
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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    BubbaW, Outbound and hagrid like this.
  9. Mar 8, 2020 at 9:19 PM
    #9
    noahrexion

    noahrexion New Member

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    What is up with the Aisin hub conversion?

    Did the noise start after completion and new bearings? Does it change with side loading/turning in either direction?
     
  10. Mar 8, 2020 at 9:59 PM
    #10
    Blueranger501

    Blueranger501 [OP] New Member

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    Tires are 315/70/17 Falken AT3s. 3k on them. Noise did start after (regear to 4.88s, ARB F/R, and new bearings).

    A lot of stuff to chase down as it’s all new at the same time. Done by a reputable shop, taking back next week for them to check. Wheel bearings were already checked last week and deemed “good”. Just wondering if I am missing something.

    Noise does not change when turning or loading one side or the other.

    And the DUB is no fun. Gotta crank my system to drown it out.
     
    hagrid likes this.
  11. Mar 8, 2020 at 10:00 PM
    #11
    Blueranger501

    Blueranger501 [OP] New Member

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    Seems that it’s coming from Front Right and that was the tire I swapped. I might try front left to eliminate tires completely.
     
    tvpierce likes this.
  12. Mar 8, 2020 at 10:28 PM
    #12
    noahrexion

    noahrexion New Member

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    That would be the easiest to eliminate (swapping tires completely with another set if you can) first off.
     
  13. Mar 9, 2020 at 4:22 AM
    #13
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    I think he had one too many dank drops.
     
  14. Mar 9, 2020 at 7:14 AM
    #14
    hagrid

    hagrid Ich habe sie gespritzt

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    Good Lord, I hope not. Need to save money for fuel.
    How dare you, sir!
     
  15. Mar 9, 2020 at 11:46 AM
    #15
    SouthPaw

    SouthPaw The headlight guy

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    Usually the 'wu wu wu wu" helicopter sound is wheel bearings from what I've seen (or heard).

    Everything installed correctly? Could be differential noise as well.
     
  16. Mar 12, 2020 at 2:16 PM
    #16
    speedtre

    speedtre New Member

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    ventorph, shawn474, Darkness and 5 others like this.
  17. Mar 14, 2020 at 11:51 AM
    #17
    Blueranger501

    Blueranger501 [OP] New Member

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    Confirmed it’s nothing rotational, something is vibrating or rubbing at that speed. Will continue to look and tinker will report back when I’ve sorted it out.
     
    bmf4069 likes this.
  18. Mar 14, 2020 at 2:47 PM
    #18
    Darkness

    Darkness Allergic to white

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    That's one of those references I make all the time and anybody who hasn't seen that video doesn't catch it. I showed one of my coworkers and it became a regular part of his vocab, like "this new code I wrote has got that WOOO WOOOOOOOO"
    :rofl:
     
    bmf4069 and speedtre like this.
  19. Jul 9, 2020 at 9:57 PM
    #19
    Blueranger501

    Blueranger501 [OP] New Member

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  20. Jul 9, 2020 at 11:23 PM
    #20
    270Fan

    270Fan New Member

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    I had a wheel bearing go bad and it sounded very similar to that. Mine was on a 2wd, though.
     
    YardBird likes this.
  21. Jul 10, 2020 at 3:26 AM
    #21
    hagrid

    hagrid Ich habe sie gespritzt

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    Good Lord, I hope not. Need to save money for fuel.
    ...sniff sniff...

    Is there more dank about?
     
    bmf4069 likes this.
  22. Jul 10, 2020 at 5:05 AM
    #22
    bmf4069

    bmf4069 Yup, that's car parts in a dishwasher

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  23. Jul 10, 2020 at 5:10 AM
    #23
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    From living with a back rear driver side bad wheel bearing for 4-5 years, I can tell you the sound starts at about 10 mph and increases the faster you go. The sound wobbles through the cab in intervals. The sound got real bad the last month before replacing it.

    I did not listen to the video link above.
     
    revtune likes this.
  24. Jul 10, 2020 at 6:06 AM
    #24
    revtune

    revtune New Member

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    I had a front wheel bearing wear out in a Tacoma. I thought for sure my muffler had worn out because it sounded almost exactly like muffler drone. It was the worst at certain highway speeds. It was driving me nuts. I replaced it and it was a night and day difference.
     
  25. Jul 10, 2020 at 6:45 AM
    #25
    Darkness

    Darkness Allergic to white

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    Man you really got that woo-woooooo

    That's a weird one, really sounds like a bearing but with the load shifting not changing anything, maybe its something else. Did the shop check it out yet? How were the bearings checked?

    If not a bearing that leaves drive shaft/axle or diff. Hard to imagine the drive shaft if you didnt have noise before all that work was done.
     
  26. Jul 10, 2020 at 6:52 AM
    #26
    NewImprovedRon

    NewImprovedRon Hey! Get off my grass!

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  27. Jul 10, 2020 at 7:05 AM
    #27
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Listened to the vid. Sounds like a wheel bearing. You were talking too much and your keys were rattling around with the blinker on so that part overwhelmed the background sound of what sounded like my bad wheel bearing.
     
  28. Jul 10, 2020 at 8:08 AM
    #28
    Blueranger501

    Blueranger501 [OP] New Member

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    I can talk less haha..testing various maps since I’m still leaning out and documenting which one is which. Truck needs a tune unfortunately so taking it easy on the throttle for now.

    As a reminder I have manual hubs now and have verified both CVs and front driveshaft spin freely. Noise does not changing if I engage 4wd, open hubs and vice versa.

    Noise started after new hubs, gears and spindle gussets. They told me I got new WB after gussets but who knows.

    Shop states wb’s are fine, put on a lift and spin around. Maybe take it for another look as I think it’s getting louder (which also points to WBs). When they looked at it a few months ago they thought it was a harmonic vibration of sorts, I don’t think it is I can’t find anything loose or rubbing and I’ve been under the truck for hours (just out on solid motor mounts from Solid Off-road, huge difference, acceptable vibration increase at idle).

    I’ve moved my front tires around with my full size spare, maybe I’ll take in for a rotate and balance to be 100% sure.

    Appreciate the help, I want to post vids with only the supercharger whine, it’s a lot of fun!
     
  29. Jul 10, 2020 at 8:20 AM
    #29
    04DCTundraMan

    04DCTundraMan Crimedog McGriff

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    I know you said new wheel hubs but that sounds just like what mine did when it went and it got very noticeable in sound at 40-50 mph. Maybe not broken but something is off??
     
  30. Jul 10, 2020 at 8:49 AM
    #30
    Professional Hand Model

    Professional Hand Model A.K.A ‘Golden Hands’

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    Yeah that last few seconds of vid where there were no other distractions I could hear that familiar sound. Like the ‘Hunt for Red October’ and they are listening for Ivan underwater. Who whu wha wha wooo woo.
     

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