[AMC-list] brakes

[tom jennings <tomj@xxxxxxx>]

oops, meant to reply to Bill + list.


---------- Forwarded message ----------
From: tom jennings <tomj@xxxxxxx>
Date: Thu, May 27, 2010 at 1:01 PM
Subject: Re:
To: Bill Serckie <realtorbill@xxxxxxxxxxxxx>


There are pushrods of different length. What I would do is, with both on the
bench, insert the pushrod into each, and make sure the amount it sticks out
is the same, precisely.

You did bench bleed it, right? It's critical, and you can even harm the
master cyl if you do not. It is nearly impossible to do right on the car.
It's a messy PITA but has to be done. The thing has to be perfectly level
(problem #1 in the car) not the tilt angle it operates at.

I find that it takes nearly 15 - 20 minutes (!) of pressing in with a fat
screwdriver to purge every single microscopic tiny bubble out of the thing.

It's so messy... I finally just got a section of brake line from NAPA, cut
it in half, and bent it such that hte cut ends dip into the reservoir (the
lines are "C" shaped). Clamp the master in a vise, level, insert the two C
shaped lines, fll the resevoir with brake fluid, then with a big fat
screwdriver, press the piston in *just one inch* at a time (don't bottom it)
until every single tiny bubble is gone.

I leave the steel bleeding lines in, then move it to the car, mount it, then
take one off at a time and screw in the real brak eline. You'll need to then
bleed the car, front and rear. Sometimes I have to do that twice, last time,
three bleeds! I use a hand vacuum pump type bleeder. Just some damn air
bubble WILL NOT EXIT.

Brake stuff is all trickery. None of it is all that hard, just a lot of
annoying little rituals.



On Thu, May 27, 2010 at 9:37 AM, Bill Serckie <realtorbill@xxxxxxxxxxxxx>wrote:

>
> Tom,
>
> Thanks for the reply...I got it swapped out but had to change the pushrod
> from one master cylinder to the other but now I have absolutly no pedal at
> all.  Is this normal when a non power brake master cylinder is changer ?
> I realize that I need to bleed the new master cylinder but shouldn't  I have
> at least some pedal ?
>
> *Bill Serckie*
> *Coldwell Banker Real Estate & Mortgage Services*
> *2 River Place Suite "K"*
> *Lansing, IL 60438*
> **
> *Office # (708) 889-2739*
> *Fax #    (708) 360-5787*
> *Cell #    (773) 251-5234
> *
>
>
>
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