[Fot] Rotor run out

[Kas Kastner]

I had this done last month on my Q50S Infiniti after my two long trips to
the East. It seemed like it did not take any time at all to complete the
job and it brought the brakes back to a new condition.

*Never be beaten by equipment.*

On Sun, Sep 13, 2015 at 9:52 AM, Randall <TR3driver at ca.rr.com> wrote:

> > I've looked at their lathe and I don't think it
> > could do it while the rotors are still attached to the hub,
> > but I could be wrong. If you do this, do you also remove the
> > bearing race to avoid damage from the operation?
>
> There is a special unit for machining rotors "on the car".  The standard
> bearings are used, with the clearances snugged up if
> possible.
>
> https://www.youtube.com/watch?v=fD2ECRu6Jf4
>
> As a side comment, I installed a new rotor on my street TR3 the other
> day.  First trial installation on the hub produced about .010"
> TIR runout.  After I cleaned up the hub a bit where the rotor sits, I put
> the rotor back 180 degrees away from where it was before,
> and was careful to torque the bolts to the same torque (I just used an
> impact gun the first time).  Result was about .0015" TIR.
>
> Since I don't have a lift, I mount a spare vertical link & spindle in the
> bench vise for testing.  (This is an old photo, not the
> new rotor obviously.)
> http://goo.gl/F0xsX0
>
> -- Randall
>
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