View Single Post
  #61  
Old January 10th 18, 05:43 PM posted to rec.autos.tech
[email protected]
external usenet poster
 
Posts: 128
Default Drum brakes - do you disconnect the parking brake cable?

On Wednesday, January 10, 2018 at 8:01:48 AM UTC-6, AMuzi wrote:
> On 1/9/2018 8:31 PM, Mad Roger wrote:
> > On Tue, 09 Jan 2018 17:20:53 -0600,
> > AMuzi wrote:
> >
> >> You might want a second opinion on those parts prices:
> >> http://www.rockauto.com/en/catalog/toyota

> >
> > Wow. What a difference in prices from the Toyota dealer!
> > It's not half, it's not a third, or a fifth - it's one tenth the price!
> >
> > The only thing I need now is to know the OEM shoe friction ratings.
> >
> > I'd be perfectly happy with just-as-good friction pads as OEM at those
> > RockAuto prices of basically $12 per "something".
> >
> > I guess I need to call RockAuto in the morning at 1-608-661-1376 (Wisconsin
> > time zone) to figure out two critical things:
> >
> > 1. How many shoes come for $12 (one?, two? four?)
> > 2. What's the cold/hot friction rating?
> >
> > It's shocking that Toyota didn't know the friction rating, and RockAuto
> > doesn't know the friction rating based on their web page (admittedly good
> > prices).
> >
> > The friction rating is the *most* important thing about a brake shoe -
> > nothing else even matters if they are a worse friction rating than what you
> > want.
> >
> > And yet, the RockAuto page lists shoe after shoe after shoe after shoe
> > after shoe (Centric, Bosch, Wagner, ACDelco, RayBestos, PowerStop, Monroe,
> > BeckArnley, Bendix, etc.) and not one of them specifies the most important
> > thing about a brake shoe!
> >
> > WTF? It's impossible to buy brake pads or shoes without knowing the
> > friction rating. Who on earth can possibly compare two brake shoes without
> > that critical information?
> >
> > It's not like a brake shoe has any other major job but friction.
> >
> > The higher the number the stronger the friction (SAE J866a):
> > E = 0.25-0.35
> > F = 0.35-0.45
> > G = 0.45-0.55
> > H = 0.55-0.65
> > http://faculty.ccbcmd.edu/~smacadof/DOTPadCodes.htm
> >
> > Given RockAuto and Toyota don't seem to tell people the pad's friction
> > rating, I have to wonder ... do people really buy friction materials
> > knowing nothing about their cold & hot friction coefficients?
> >

>
>
> There are no asbestos brake linings available so everything
> else now is similar and adequate.
>
> --
> Andrew Muzi
> <www.yellowjersey.org/>
> Open every day since 1 April, 1971


White Post Restorations whitepost.com can restore anything auto related.I once saw their ad years and years ago in Hemmings Motor News paper magazine. hemmings.com
Ads