Changing out the master cylinder was pretty straightforward. There is a
great access panel in the back which I didn't notice right away.
I decided to bleed the master cylinder in the car, hooked up to the
reservoir only. I was concerned about spilling fluid all over the place
while trying to install the unit. It all worked fine, except when I went
around bleed the brakes.
I found a leaky cylinder at one of the rear brakes. I guess I should have
checked it all out before I started. Somehow the scope of each project I do
always expands.
Roger Wilson
'60 TR3
-----Original Message-----
From: triumphs-bounces@autox.team.net
[mailto:triumphs-bounces@autox.team.net] On Behalf Of Bob Danielson
Sent: Friday, October 24, 2008 1:05 PM
To: triumphs@autox.team.net
Subject: Re: [TR] Brake master cylinder
I never even heard of bench bleeding until this post.......but that doesn't
mean much. I replaced my M/C in '07 and had it off the car again this past
winter. Obviously I didn't bench bleed it either time and the brakes are
nice and firm and I had no problem bleeding them either time.
Bob Danielson
1975 TR6 CF38503U
Running w/ Throttle Body Injection
Toyota 5 Speed & Nissan LSD
http://tr6.danielsonfamily.org
-----Original Message-----
From: triumphs-bounces@autox.team.net
[mailto:triumphs-bounces@autox.team.net] On Behalf Of Randall
Sent: Friday, October 24, 2008 10:39 AM
To: triumphs@autox.team.net
Subject: Re: [TR] Brake master cylinder
> However, when you are installing an
> new master cylinder bench bleeding is the only way to get all the air
> out of it.
Well, just to present the opposing viewpoint, I have never bench bled, and
it's never caused me any problems. I rebuilt both MCs on TS13571L just the
other day; both pedals are high and firm after just ordinary bleeding of the
brakes and my usual "pump and hold" technique on the clutch.
This car was "put away wet" over 30 years ago; what I found in every single
aluminum hydraulic cylinder would make a poster for why I hate glycol fluid.
Not just seized, but full of hard, crunchy yellow stuff that I literally had
to chip away.
Randall
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