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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 |
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