[Roadsters] Dragging Brakes...
RWM
RWM at RWMann.com
Mon Nov 21 13:22:45 MST 2016
Thanks, Dann.
In this case, I am re-using my nearly new Porterfield R4S compound rear
shoes, and the parking brake adjustment is, as it was, nominal.
Thanks for the image. I did manage to get the gaps staggered as they
were prior to replacing the wheel cylinders, which also answers Morey
Mast's question.
Must be the adjusters, not giving them enough slack.
Will advise.
Thanks again, everyone.
- Bob Mann
On 11/21/2016 3:08 PM, Rallye Enterprises, Ltd. wrote:
>
> When reading Steve Ehler's good comments on dragging brakes it
> reminded me of a few dozen phone
> calls I've received over the decades and I don't know if this is your
> case but I thought I'd throw it out there.
>
> When new shoes are put on a car it is necessary to readjust the
> parking brake cable linkage. If the linkage
> had been adjusted to deal with worn brake shoes and you put on new
> shoes it can many times cause the
> drag you speak of since the previously needed linkage shortening is no
> longer necessary.
>
> It's a simple matter of loosening the cable adjuster so it has just a
> titch of slack in it.
>
> The other fellows comments are common too; that the shoes have to be
> put on "staggered"; with the gap
> on the end of one shoe be on the "opposite" side of the circle than
> the other shoe's gap.
>
> Usually unless the drums are cut a lot it is hard to even get the
> drum over the shoes if both gaps (the area
> of the shoe where there is no lining) are put close to each other.
>
> I attached a picture of the shoe gaps staggered as they should be; I'm
> not sure I'm explaining this very well.
>
> Dann at Rallye
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