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3rd Gen Poll: Rear End Noise howling when feathering throttle

Discussion in '3rd Gen. Tacomas (2016-2023)' started by smitty99, Jul 21, 2016.

?

Does your rear end make a slight howling noise at 50-65mph when feathering throttle?

  1. Yes

  2. No

  3. Have not checked it yet but will report back

Results are only viewable after voting.
Page 8 of 320
  1. Jul 31, 2016 at 9:14 AM
    #141
    The hammer

    #141
    The hammer Who’s the Wrench?

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    I hate to say it, but the dealer may not always offer you a solution for various reasons. I would still try what Aussiek2000 said for myself, all it can hurt is a little time of which has already been spent in the effort.

    Hope that helps
    Cheers!
     
    The hammer, Jul 31, 2016
    #141
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  2. Jul 31, 2016 at 9:17 AM
    #142
    aero90

    #142
    aero90 Well-Known Member

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    It is 100% not tire related.
     
    aero90, Jul 31, 2016
    #142
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  3. Jul 31, 2016 at 9:31 AM
    #143
    The hammer

    #143
    The hammer Who’s the Wrench?

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    That may be true in some cases of course, but it ought not to be dismissed for all possible scenarios when no other solution seems to be working.

    Hope that helps
    Cheers!
     
    The hammer, Jul 31, 2016
    #143
  4. Jul 31, 2016 at 9:40 AM
    #144
    fdbyrne

    #144
    fdbyrne Well-Known Member

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    If it were tire related it would be speed sensitive, not throttle sensitive.

    It may be the fluid, who knows? I think
    $29 75w-90 Synthetic Gear Lube - 1 Quart (Pack of 2)
    75w-90 or whatever they put in there for gas mileage these days is too thin for a truck differential but that's only my opinion of course.
     
    fdbyrne, Jul 31, 2016
    #144
  5. Jul 31, 2016 at 9:43 AM
    #145
    ecoterragaia

    #145
    ecoterragaia Everyone lives downstream.

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    Has anyone checked their driveshaft slip joint for looseness?

    I know this is 3rd gen, but my '06 RC 4x4 has had a howl between 45-60 mph with neutral load on the drivetrain since I bought it 5 yrs ago. I finally diagnosed it as a slightly loose slip joint. It actually disappears with a heavy load in the bed. There have been a few other early 2nd gen RC owners who have experienced the same thing and "fixed" it by flipping the driveshaft (actually just moves the noise away from the cab).

    Just a suggestion, and it is free to check it yourself.
     
    ecoterragaia, Jul 31, 2016
    #145
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  6. Jul 31, 2016 at 10:18 AM
    #146
    smitty99

    #146
    smitty99 [OP] I also bought a 4Runner

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    Good thought! I'll have the dealer look into this.
     
    smitty99, Jul 31, 2016
    #146
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  7. Jul 31, 2016 at 10:34 AM
    #147
    smitty99

    #147
    smitty99 [OP] I also bought a 4Runner

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    Thinking about this some more. Dealer did put my truck on a lift and used a stethoscope to listen to the diff assembly and this is where they isolated the noise. So I'm thinking in that case it isn't likely a slip joint?
     
    smitty99, Jul 31, 2016
    #147
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  8. Jul 31, 2016 at 12:21 PM
    #148
    Truggin

    #148
    Truggin What a long, strange trip it's been

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    Truggin, Jul 31, 2016
    #148
  9. Jul 31, 2016 at 12:22 PM
    #149
    smitty99

    #149
    smitty99 [OP] I also bought a 4Runner

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    smitty99, Jul 31, 2016
    #149
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  10. Jul 31, 2016 at 12:37 PM
    #150
    The hammer

    #150
    The hammer Who’s the Wrench?

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    But aren't all 4X4 stock trims the same angle, or is the TRDOR different, as not all appear to have the same issue?
     
    The hammer, Jul 31, 2016
    #150
  11. Jul 31, 2016 at 12:45 PM
    #151
    The hammer

    #151
    The hammer Who’s the Wrench?

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    The other point I'm wondering is the locker. What with all that's going on back there, ATRAC, LSD, locker, I know that electronically it's supposed to cancel any conflict between them, but is it? I would hope the engineers can find a solution soon

    Hope that helps
    Cheers!
     
    The hammer, Jul 31, 2016
    #151
  12. Jul 31, 2016 at 1:05 PM
    #152
    The hammer

    #152
    The hammer Who’s the Wrench?

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    My though is, that if the electronics are somehow failing on some, not all, like the trans was, it might be an area the engineers maybe working on, IDK, But I honestly hope it can be all sorted out soon.

    Hope that helps
    Cheers!
     
    The hammer, Jul 31, 2016
    #152
  13. Jul 31, 2016 at 1:18 PM
    #153
    Truggin

    #153
    Truggin What a long, strange trip it's been

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    Excellent question. And I think the answer is "no". The Off Roads have a different suspension, and this would likely shift the angle to some extent.
     
    Truggin, Jul 31, 2016
    #153
  14. Jul 31, 2016 at 1:24 PM
    #154
    smitty99

    #154
    smitty99 [OP] I also bought a 4Runner

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    But the problem is this issue is prevalent on all models not just the TRD OR. That's already been ruled out.
     
    smitty99, Jul 31, 2016
    #154
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  15. Jul 31, 2016 at 1:34 PM
    #155
    over60

    #155
    over60 Over70 & still a "Grumpy Old Guy"

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    MY rear end doesn't howl at 65, (I'm driving)..but my son mooned a nice old couple on the freeway the other day...out the rear window at about 65MPH, and I'm sure I did hear the howl you are talking about..... It sort of sounded like "The Hammer"....:bananadance:
     
    over60, Jul 31, 2016
    #155
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  16. Jul 31, 2016 at 3:58 PM
    #156
    The hammer

    #156
    The hammer Who’s the Wrench?

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    Underworld Flex trifold, tinted, TRDPRO grill, TRDPRO shift knob, etc,etc
    Well if there' a difference in the angle it still doesn't explain why not all trdor are affected some ppl off road heavy with stock no issues.

    But I won't be a bit surprised if it turns out to be something small or mundane such as a bad run on crush washer or bearing or seat.
    But all replaced parts go back to Toyota for them to examine and if they find something it takes time to trace the part and find out which ones maybe affected.
    I would have gotten the trd if they would've had it in white l/b so i hope they get to the bottom soon.

    Cheers!
     
    The hammer, Jul 31, 2016
    #156
  17. Jul 31, 2016 at 4:42 PM
    #157
    MasterPenguins

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    MasterPenguins Well-Known Member

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    That is what I am kinda leaning toward. Something small that they just haven't 100% pinned down yet. I am sure that Toyota will take care of me! The only question is how long will it take?
     
    MasterPenguins, Jul 31, 2016
    #157
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  18. Jul 31, 2016 at 5:52 PM
    #158
    MasterPenguins

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    MasterPenguins Well-Known Member

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    Yeah, I am already on my second one. Hopefully the field engineer will be able to look at my second one in a little over a week. Thankfully no one at my dealership has told me "well that is normal" or "you're just gonna have to live with it." It has actually been the opposite! Things like "Thanks for being patient with us." And "We'll get this sorted out for you."
     
    MasterPenguins, Jul 31, 2016
    #158
    Mace587, The hammer and smitty99[OP] like this.
  19. Jul 31, 2016 at 6:09 PM
    #159
    smitty99

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    smitty99 [OP] I also bought a 4Runner

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    All eyes are on you my man. We are awaiting to hear the outcome. I'll be close behind you too with my 2nd repair order.
     
    smitty99, Jul 31, 2016
    #159
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  20. Jul 31, 2016 at 6:21 PM
    #160
    jg16

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    jg16 Well-Known Member

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    Been watching this thread for a while. My truck has this problem. TRD ORDC. Waiting till they find a fix before I take it in. Hope they find it soon. Really like the truck. The howling diff is the only problem it has. 1200 miles
     
    jg16, Jul 31, 2016
    #160
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