1. Registration trouble? Please use the "Contact Us" link at the bottom right corner of the page and your issue will be resolved.
    Dismiss Notice

Allowable wheel runout?

Discussion in 'Early CJ5 and CJ6 Tech' started by Howard Eisenhauer, Aug 31, 2014.

  1. Aug 31, 2014
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
    Joined:
    Nov 22, 2003
    Messages:
    8,122
    Got the tires spinning today under power :)

    Noticed my wheels are wobbly :(

    I've got two with ~ 30 thou at the outside edge of the rim (barely noticeable), one ~ 50 thou (noticeable), one at ~ 100 thou (very noticeable) & one 200 thou + (downright discouraging).

    Nothing in the FSM on this that I can find, anyone know?



    H.
     
    Howard Eisenhauer, Aug 31, 2014
    #1
  2. Aug 31, 2014
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
    Joined:
    Sep 23, 2002
    Messages:
    12,529
    Typically maximum lateral runout on steel wheels is .045" and .035" for alloy wheels as a rule of thumb.
     
    nickmil, Aug 31, 2014
    #2
  3. Aug 31, 2014
    Rondog

    Rondog just hangin' out

    Parker, CO
    Joined:
    Aug 25, 2005
    Messages:
    2,918
    Wouldn't the runout at the bead be the important part? The steelies I'm restoring sure aren't perfect, but I don't see how they really could be either. Not machined like alloys. Plus they're nearly 60 years old.....

    Reckon that's why they make them humongous wheel weights. Not like I'm planning on running at high speeds anyway.
     
    Last edited: Aug 31, 2014
    Rondog, Aug 31, 2014
    #3
  4. Aug 31, 2014
    nickmil

    nickmil In mothballs.

    Happy Valley, OR
    Joined:
    Sep 23, 2002
    Messages:
    12,529
    Rondog, those numbers I posted are at the bead area. Those numbers are for modern wheels though so if you are a little above that I wouldn't sweat it too much. You start approaching .055" and above though it can be a problem depending on tires used and how fast you drive. It can be pretty magnified starting around 40ish mph and above.
     
    nickmil, Aug 31, 2014
    #4
  5. Aug 31, 2014
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
    Joined:
    Aug 3, 2003
    Messages:
    9,820
    I would speculate it may be variable depending on the trueness of your hub faces and also the relative torques on each lug.

    As a side note, I have a friend who bought four NEW aftermarket wheels (for snow tires) and the tire shop refused to mount them because they were so far out of true.
     
    PeteL, Aug 31, 2014
    #5
  6. Aug 31, 2014
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
    Joined:
    Nov 22, 2003
    Messages:
    8,122
    Thanks for the numbers Nick. :)

    I played a bit more with it after I posted, the .100/.200+ both showed up on the front passenger side. I checked the runout on to raised part of the dish & it's ~.035 right there- I'm thinking the hub might be warped. I'll dig into it more next weekend.

    H.
     
    Howard Eisenhauer, Aug 31, 2014
    #6
  7. Aug 31, 2014
    PeteL

    PeteL If it wasn't for physics, and law enforcement... 2024 Sponsor 2023 Sponsor 2022 Sponsor

    Hills of NH
    Joined:
    Aug 3, 2003
    Messages:
    9,820
    Maybe you could rotate (re-clock) your wheel to a different position on the hub and get it to run true, if the tolerances balance out?


    I once had a wheel center badly bent - maybe a half inch runout - by a klutz with a tire machine.
     
    Last edited: Aug 31, 2014
    PeteL, Aug 31, 2014
    #7
  8. Sep 6, 2014
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
    Joined:
    Nov 22, 2003
    Messages:
    8,122
    So the really bad one turned out to be the hub- 65 thou runout just outboard of the studs. I have a couple of spares that should be accident free so I'll clean one of those up for use.

    H.
     
    Howard Eisenhauer, Sep 6, 2014
    #8
  9. Sep 6, 2014
    Keys5a

    Keys5a Sponsor

    Florida Keys
    Joined:
    Jan 23, 2014
    Messages:
    4,190
    I'll guess it was a rear hub that was out? I have replaced two rear keyed hubs over the years that were bent by using the wrong puller. For some reason, folks think they can use a puller with three hooked arms that reach around the hub. All these do is bend the hub. I have had the same issue with my old Triumph TR sports cars.
    One of the Jeep hubs was re-trued on a lathe after the studs were removed and it is still in use over 20 years later.
    -Donny
     
    Keys5a, Sep 6, 2014
    #9
  10. Sep 7, 2014
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
    Joined:
    Nov 22, 2003
    Messages:
    8,122
    No, it's one of the front ones, that one was on when the accident happened. I'll be checking the rears as well but they're within Nick's specs.

    H.
     
    Howard Eisenhauer, Sep 7, 2014
    #10
  11. Sep 13, 2014
    Howard Eisenhauer

    Howard Eisenhauer Administrator Staff Member

    Tantallon, Nova...
    Joined:
    Nov 22, 2003
    Messages:
    8,122
    Got the replacement hub on, runout is now within 35 thou. :)

    H.
     
    Howard Eisenhauer, Sep 13, 2014
    #11
New Posts