Al,
One problem I once had was getting all the air out of the slave cylinder. No
matter how much I tried bleeding while it was mounted properly on the car I
could not get all the air bubbles out. While leaving all the hydraulics
connected I loosened the mounts for the slave, wired off the plunger so it
could not move, then let the slave hang down vertically. I then watched a
bunch of air bubbles make their way up the line. When I mounted everything
back up I had solved my problem.
Having said that, I would take a look at the front calipers also. The noise
you mentioned does not sound right and finding the source of the noise could
show you your problem. If one of the pistons in your calipers was sticking
then that would cause the noise when it let go. If it then came back to
normal position slowly then your brake pedal would be soft.
Also, check to make sure that there is not excess play in the front wheel
bearing. If the bearing isnt snug then each time you press the brakes the
pistons in the calipers could get knocked back in far enough so that the next
time you used the brakes the pedal would feel soft.
If the servo was bad then you would have to use an excessive amount of force
to apply the brakes, but the pedal would still be hard. This is not what you
are describing. I am not sure of the condition of your servo but I am
doubtful that what you are describing for a problem could be attributed to the
servo.
Please let us know what you find out. We love a mystery.
Cheers,
Aaron
-----Original Message-----
From: Bob Danielson <75tr6@tr6.danielsonfamily.org>
To: Al Salvatore <tr6parts@charter.net>; triumphs@autox.team.net
Sent: Sun, May 23, 2010 8:22 am
Subject: Re: [TR] brakes
Al,
Seeing as you've done TR6 brakes before, I assume you've got both the front &
rear reservoirs of the M/C filled. After that make sure you've bled all the
air out of the system or you'll have a soft mushy feel and inconsistent
braking. As far as the servo goes, I went with Ted Schmuacher at TSI
(http://www.tsimportedautomotive.com/). Ted's been in the LBC business for 45
years and carries quality parts. His web site doesn't always list everything
he carries so give him a call or drop him an email about rebuilt servos. I got
mine from him and it looks brand new. You do a core exchange with him. I also
got my rebuilt calipers from him.
Bob
Bob Danielson
1975 TR6 running with
Throttle Body Injection
Toyota 5 Speed
Nissan Diff & CVJs
http://tr6.danielsonfamily.org
--------------------------------------------------
From: "Al Salvatore" <tr6parts@charter.net>
Sent: Saturday, May 22, 2010 8:06 PM
To: <triumphs@autox.team.net>
Subject: [TR] brakes
> I recently finished rebuilding a 74 tr6.
> I rebuilt the front calipers and put in new rear brake cylinders and >
shoes,
> along with new brake lines.
> We.ve bleed it a couple of times and it still does't have a real hard >
pedal.
> It also doesn't want to stop real good. Very squirely braking from over >
55.
> I rebuilt the brakes on my 76 awhile ago and haven't experienced any thing
> like this, and they are rock hard.
>
> I also notice a slight thud noise when the brakes are first applied. I am
> thinking that its coming from the servo and the the servo may need some >
work.
> I haven't needed a servo repaired before, any particular places >
recommended
> and price range.
>
> Al
>
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