From: Bill & Bonnie Prestin (bprestin@chartermi.net)
Date: Thu Jul 03 2003 - 19:09:55 PDT
Jeremy,
If you depress the plunger the break fluid should squirt out the port on
the rear of the master cylinder. Then the plunger should return to the
forward position. Also I would not recommend using a foreign made cylinder.
I did, bought a new one & installed it, and it leaked out a puddle of fluid
a week later on the floor under of the truck. I suspect those foreign made
cylinders can not handle silicone break fluid. My truck has the sticker
saying "use silicone fluid only". I then bought a domestic one and installed
it. I have yet to contact the dealer I bought it from about the defective
cylinder.
Bill
Michigan
----- Original Message -----
From: "jeremyknopow" <jeremyknopow@yahoo.com>
To: "Military Vehicles Mailing List" <mil-veh@mil-veh.org>
Sent: Thursday, July 03, 2003 9:48 PM
Subject: [MV] testing a master cylinder
> Just pulled the master cylinder assy. off my 53' REO because the piston
> was sticking. I'm replacing the whole thing because it's fairly pitted,
> but my question is when you have a master cylinder off a vehicle, you
> fill up the reservoir, and then depress the piston like you're stepping
> on the brake, should the master cylinder squirt out brake fluid and then
> return to its resting position? The one I'm replacing does not - it
> just sticks in the depressed condition (as I will be until I get this
> truck going)- but I'm wondering if that's normal or just because it's
> bad.
>
> Do you have to hook a line from the master cylinder outlet back up to
> the reservoir to make it a closed loop to test it properly?
>
> Thanks All,
>
> Jeremy
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