On Sunday, August 2, 2020 at 12:28:48 PM UTC-4, Steve W. wrote:
> Arlen Holder wrote:
> > On Fri, 31 Jul 2020 14:04:50 -0700 (PDT), trader_4 wrote:
> >
> >> Every pad I've installed for decades has had them, including the ones that
> >> use electric wear sensors.
> >
> > How many miles do you get per front pads, in general?
> >
> > As for mechanical sensors, my bimmer has only one wear sensor per axle
> > o No mechanical sensor; only electronic (front left and rear right).
> >
> > Although electronic is essentially mechanical, since it's a stub of plastic
> > that wears on contact, exposing the wires embedded inside that plastic.
> >
> > One issue is removing the sensors often breaks them if you're not careful.
> >
> > Since we rotate so frequently, checking brakes are easy; but this question
> > was for estimating miles for someone else who doesn't rotate as frequently
> > as I do (due to mountainous terrain causing specific "camber scrub" wear to
> > the inboard corners of the front tires).
> >
> > At the moment, with the data we have, it's about 4,000 miles per pad mm.
>
> There is no rule of thumb for brake wear because it depends more on the
> driver, vehicle location and the pad materials than anything else.
>
> Drive out in the plains where the only hills are long and low and the
> brake wear is going to be much different than if you live in the
> rockies. Same with driving in New York City versus San Fransisco.
>
> Another factor is the vehicle itself and how it is set up. Some will
> chew through brakes fast while others barely nibble. Some will go
> through brakes in 40K or less while others might make it to the junkyard
> on the OEM rears pads.
>
>
> The Journey we have had all the brakes done by the dealer with OEM
> parts prior to our purchase, They have about 55K on them and the fronts
> are worn maybe 1/2 way. The rears however were just replaced, but not
> for wear, the rotors rusted into junk and damaged the pads. So it got
> new NAPA coated rotors and premium ceramics to see how they work on it,
> have had very good service from them on many other vehicles.
>

Another factor is riveted vs. bonded linings, you can run a bonded lining a lot thinner than a riveted one. 5mm might be thiiiiiis close to grinding the rivet heads.

nate