From: grntrks@juno.com
Date: Fri May 13 2005 - 11:54:47 PDT
Frank Cox - 'Nam 1966
MVPA 14530
'45 GMC 353 DUKW
--------- Forwarded message ----------
From: grntrks@juno.com
To: racecadet@yahoo.com
Date: Fri, 13 May 2005 12:25:49 -0500
Subject: Re: [MV] Brake help
Bob,
He is correct. DO NOT PUSH THE PEDAL TO THE BOTTOM. I only push the pedal
2/3 to 3/4 of the travel when bleeding the system.
I'm one of the financially challenged MV'ers, so I have bleed the brakes
manually with a helper pushing the pedal for me.
Here is the sequence I use:
push pedal 2 or three strokes and hold down
bleed the air pack first
open bleeder until pressure vents away then close bleeder and repeat
until no air is expelled ( only fluid.)
then check level in master cylinder and refill.
Move to right rear wheel and repeat.
move to left rear wheel and repeat
move to right intermediate wheel and repeat
move to left intermediate wheel and repeat
move to right front wheel and repeat
last , move to left front wheel and repeat.
( as you bleed the last wheel the pedal should begin to develope pressure
and stop higher with each bleed cycle. You may begin getting some pedal
at any time during the procedure but bleed the entire system as a safe
guard to insure ALL the air has been removed. DO NOIT ALLOW THE MASTER
CYLINDER TO RUN OUT OF FLUID OR YOU'LL HAVE TO START OVER!)
NOTE: DO NOT ALLOW THE PEDAL TO MOVE, HOLD IN THE DOWN POSITION UNTIL THE
BLEEDER YOU ARE WORKING WITH IS CLOSED. THEN RELEASE FOR ANOTHER STROKE.
I hope this helps and to those who already know how to do this please
check to see I haven't left something out.
Thanks,
Frank Cox - 'Nam 1966
MVPA 14530
'45 GMC 353 DUKW
On Fri, 13 May 2005 06:40:17 -0700 (PDT) Bob Ternes <racecadet@yahoo.com>
writes:
> With regards to bleeding the M35...
>
> I have been told that simply cracking a bleeder
> and mashing down the brake pedal is bad news for
> the seals in the Master. It apparently trashes
> them by making them travel too far into the bore,
> so the use of a power bleeder is recommended,
> well, at least by the person who told me.
>
> Here's some background: this advice is from the
> gent who purchased my t/o motor... he was
> apparently intimate enough with the truck to
> arrive with pre made engine stands for both front
> and rear engine mounts, if that's worth anything!
> He also told me about the use of air tool oil
> squirted into the rear of the master as a life
> preserver for the unit. His Volunteer FD is
> fleeted with M35's and so is his personal ranch -
> the gent seems to know his stuff with regards to
> preventive and routine maintenance.
>
> Cheers
> Bob
>
>
>
>
> --- grntrks@juno.com wrote:
> > If the master cylinder is " empty " and you
> > refill it, you should be able
> > to see the level drop as you pump the pedal
> > with your hand. If the fluid
> > remains undisturbed while the pedal is cycled
> > up and down, the master
> > cylinder is probably faulty.
> > The rubber cups may have become hard over the
> > years and no longer seal
> > against the bore to provide pressure or the
> > bore may be pitted or scored
> > and allowing the fluid to by-pass the cups.
> > Just my $.02 from my experience with my truck.
> >
> > Frank Cox - 'Nam 1966
> > MVPA 14530
> > '45 GMC 353 DUKW
> >
> >
> > On Wed, 11 May 2005 17:20:23 -0400 m35products
> > <m35prod@optonline.net>
> > writes:
> > > I just went out to drive the M35 and the
> > brake fluid vampire has
> > > struck
> > > again. I put more fluid in, which usually
> > fixes the problem, but
> > > this time,
> > > I can't get any pedal.
> > >
> > > Do I bleed these brakes the same way as on a
> > civilian truck? One
> > > wheel at a
> > > time?
> > >
> > > I don't seem to see any movement in the fluid
> > if I take off the
> > > master
> > > cylinder cap, and press down on the pedal.
> > Should there be any
> > > evidence of
> > > movement?
> > >
> > > Thanks.
> > >
> > > Arthur P. Bloom
> > >
> > >
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> > >
> >
> >
> > Frank Cox - 'Nam 1966
> > MVPA 14530
> > '45 GMC 353 DUKW
> >
> > ===Mil-Veh is a member-supported mailing
> > list===
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> >
>
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>
>
Frank Cox - 'Nam 1966
MVPA 14530
'45 GMC 353 DUKW
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