The pad's metallic backing is thin and sits behind the piston pin that
holds the brake pad in place. I believe the retaining pin on the
piston would contact the rotor - and do far more damage - than the pad
backing.
--- Brian Hollands <Brian_Hollands@adp.com> wrote:
> Keep in mind that it's not the piston that comes into contact with
> the
> rotor, but rather the metallic backing on the brake pad. I tend to
> doubt
> that the notches in the caliper body are cut shallow enough to
> prevent the
> pad's metal backing to contact the rotor (I've never let mine get
> that worn)
> as that would allow the pad to wear to a point at which it no longer
> contacts the rotor because the piston bottoms out. That would cause
> a brake
> failure - although not a sudden one - and doesn't sound like a good
> engineering decision as rotors are considered wear parts and the
> piston
> wouldn't touch the rotor anyway unless the pad fell out of the
> caliper or
> something.
> Brian '69 2000
> Tampa, FL
> http://web.tampabay.rr.com/oilleak/
>
>
>
> -----Original Message-----
> Also, in answer to the question about stops to prevent metal to metal
> contact, that appears to be the case. Look at the drawing here:
>
> http://www.hyedracyl.com/instruct.html
>
> it clearly shows a notch cut to clear the piston that stops short of
> the
> piston being able to contact the rotor.
>
> /// datsun-roadsters@autox.team.net mailing list
> /// Send admin requests to majordomo@autox.team.net or go to
> /// http://www.team.net/cgi-bin/majorcool
> /// Send list postings to datsun-roadsters@autox.team.net
>
=====
Thanks,
Adam Bradley
'70 Datsun 1600 Roadster SPL311-28181
'66 Datsun PL411 sedan PL411-022447
http://www.picturetrail.com/abend
Yahoo! Tax Center - online filing with TurboTax
http://taxes.yahoo.com/
/// datsun-roadsters@autox.team.net mailing list
|