[6pack] Brake MC

Richard Lindsay richardolindsay at gmail.com
Mon Sep 16 15:51:16 MDT 2019


That makes perfect sense. Thank you.

On Mon, Sep 16, 2019, 4:46 PM im sloane via 6pack <6pack at autox.team.net>
wrote:

> I have heard stories about someone bleeding the breaks, (not loved LBC but
> their daily driver), after replacing a caliper or wheel cylinder, and
> shortly thereafter experienced a master cylinder failure. The reported
> reason was the master cylinder was being pressed into territory that it
> didn't travel under normal conditions, and due to slight pitting or
> corrosion, the seals in the master were compromised.  The block under the
> pedal is reported to hopefully prevent this.  Obviously not necessary with
> a new master cylinder.
>
> YMMV,
> Sloane
> ------------------------------
> *From:* 6pack <6pack-bounces at autox.team.net> on behalf of Richard Taylor
> via 6pack <6pack at autox.team.net>
> *Sent:* Monday, September 16, 2019 7:57 PM
> *To:* 6pack list <6pack at autox.team.net>
> *Subject:* [6pack] Brake MC
>
> I don’t understand the logic of limiting the travel of the brake pedal,
> either. While this pedal shouldn’t have to travel even half of it stroke to
> apply full pressure to the brakes, we wouldn’t want to limit it should
> there be a failure in, say, half of the system. (Which would require a
> deeper pedal to make contact.
>
> I don’t know if it applies to this (brake) limiting of the pedal, but
> there are some clutch operating systems that require a “pedal stop” so that
> the throwout bearing isn’t pushed out too far during the clutch
> disengagement. The hydraulic bearing in the Toyota 5 speed conversion would
> be one of them.
>
> Dick
>
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