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2015 Tundra bed lean

Discussion in '3rd Gen Tundras (2014+)' started by liberty2701, Aug 12, 2019 at 2:27 PM.

  1. Aug 12, 2019 at 2:27 PM
    #1
    liberty2701

    liberty2701 [OP] New Member

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    Hello, I am new to this forum and this is my first post. I just purchased a 2015 Tundra SR with an 8ft bed and 25k miles. The lady who owned it used it on a horse farm with a gooseneck hitch to tow a horse trailer. Hence, the low mileage. I decided to install a set of Firestone Ride-Rite air bags and noticed that the right rear sits 3/4" lower than the left. I measured at both the wheel well to the rim and the frame to the leaf spring. I can level the rear with the air bags but am concerned that maybe the right leaf spring has set some. I do have a 90 day warranty from the dealer so is this something to be concerned about or let it be? Thank you
     
    Last edited: Aug 12, 2019 at 2:36 PM
  2. Aug 12, 2019 at 3:35 PM
    #2
    Scuba

    Scuba New Member

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    I would very thoroughly inspect the RR leaf spring for a crack or break.
    Our trucks are known for leaning to the left due to the weight of the gas tank and battery all on that side.
    In other words: leaning to the right is strange and not normal.
     
  3. Aug 12, 2019 at 3:36 PM
    #3
    mtndds98

    mtndds98 New Member

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    ^^ what this dude said
     
  4. Aug 12, 2019 at 4:36 PM
    #4
    liberty2701

    liberty2701 [OP] New Member

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    Its going to Toyota for a lock actuator warranty repair. I am going to have them look at it.
     
  5. Aug 13, 2019 at 10:21 AM
    #5
    liberty2701

    liberty2701 [OP] New Member

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    Update: I decided to check the measurements this morning. I deflated the air bags to zero. Fender wheel well to to ground I get 3/4" diff. Fender wheel well to top of rim 3/8" diff. Frame to leaf spring 3/16" diff. Not sure why it is different than yesterday but with only 3/16" diff at the frame I would say my measurements are good. What do you think?

    Also I just noticed that there is no skid plate under my fuel tank. Is that normal for the SR?
     
    Last edited: Aug 13, 2019 at 11:15 AM
  6. Aug 13, 2019 at 10:48 AM
    #6
    15whtrd

    15whtrd Mr. Blonde

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    White 2015 Tundra DC SR5 TRD 4x4 5.7L, White 2003 Sequoia 2WD
    TRD Pro suspension, +2 Coachbuilder shackles, 2015 TRD Pro headlights, 20% ceramic tinted windows, charcoal filter delete, aFe drop in pro s dry air filter, TRD airflow accelerator, TRD oil fill cap, TRD 18 psi radiator cap, BDX Bullydog tuner, Weathertech floor mats front and rear, rear seat fold down mod, Tyger soft tonneau cover, Linex with uv protection, TRD swaybar, TRD center caps, TRD Pro grille insert, aluminum oil filter canister, Real truck tailgate seal, Pop-n-lock tailgate lock actuator, rear diff breather relocate.
    Measure from center of rim to fender to be most accurate. That takes out tire discrepancies. One thing I would consider, is the shackles. The shackle bushings have serrated teeth on the outsides so that the shackle is in a bind. When it’s tighten down the teeth bite into the shackle. I think if it was ever overloaded that it could skip a notch and not rebound. At least these are my thoughts on the idea of it. Maybe try upgrading to polyurethane bushings. If it doesn’t fix it at least you’ve got some good bushings and it should improve the ride.
     
    Last edited: Aug 13, 2019 at 11:11 AM
  7. Aug 13, 2019 at 11:14 AM
    #7
    liberty2701

    liberty2701 [OP] New Member

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    I will check out he bushings. I figured the most accurate measurement would be the frame to the spring. These are the most solid points. The fender and body is lightweight sheet metal which could have some variation quite easily. What do you think?
     
    15whtrd likes this.
  8. Aug 13, 2019 at 11:27 AM
    #8
    15whtrd

    15whtrd Mr. Blonde

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    TRD Pro suspension, +2 Coachbuilder shackles, 2015 TRD Pro headlights, 20% ceramic tinted windows, charcoal filter delete, aFe drop in pro s dry air filter, TRD airflow accelerator, TRD oil fill cap, TRD 18 psi radiator cap, BDX Bullydog tuner, Weathertech floor mats front and rear, rear seat fold down mod, Tyger soft tonneau cover, Linex with uv protection, TRD swaybar, TRD center caps, TRD Pro grille insert, aluminum oil filter canister, Real truck tailgate seal, Pop-n-lock tailgate lock actuator, rear diff breather relocate.
    True, the frame to axle would be the very most accurate. But that measurement is amplified the further from the fulcrum point I guess you could call it. So in a sense, an 1/8” at the frame may be a half inch at the hub.
     
  9. Aug 13, 2019 at 11:43 AM
    #9
    liberty2701

    liberty2701 [OP] New Member

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    Like I said earlier does it pay to let Toyota check it out since I am already going there? If they discover a problem the other dealer will pick up the tab being that it is under the 90 day warranty. If they say it is ok I will probably be out an hours labor at whatever the cost is. I can use the air bags to make it even but that is probably a bandaid on the problem if there is one? I wonder if there is an acceptable variation from one side to the other?
     
    15whtrd likes this.
  10. Aug 14, 2019 at 11:08 AM
    #10
    liberty2701

    liberty2701 [OP] New Member

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    Update: I had the truck at Toyota today for the actuator. I had them check out the lean. They said it is normal and within spec. I did not speak with the mechanic but the service guy gave these documents to measure. I measure and get 1.5". The sheet says 2.3". Any insight on this?

    Maybe I am over thinking this. To get it close to level I have 5psi in the left and 20 psi in the right air bag to make up the 1/4" difference between the frame and the leaf spring.

    My bed also has gooseneck hitch bolted between the frame rails. I wonder if this makes it more difficult for the frame to even up in the rear?
     

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    Last edited: Aug 14, 2019 at 12:39 PM

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