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Re: [Tigers] Brake Mystery

To: "rfraser@bluefrog.com" <rfraser@bluefrog.com>, 'Stu Brennan' <stubrennan@comcast.net>, 'Tiger Net' <tigers@autox.team.net>
Subject: Re: [Tigers] Brake Mystery
From: "Teepen, Jere" <jteepen@usatoday.com>
Date: Mon, 28 May 2012 22:21:47 -0400
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Thread-topic: [Tigers] Brake Mystery
What type of brake hose did you use?  Rubber or Stainless braided?  Any idea
how old the replacement brake hoses are?  Stainless should not present any
problems, but if they are new old stock they could have been bad before they
were installed on the car.

-----Original Message-----
From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net] On
Behalf Of Ron Fraser
Sent: Monday, May 28, 2012 6:24 PM
To: 'Stu Brennan'; 'Tiger Net'
Subject: Re: [Tigers] Brake Mystery

Stu
        You rebuilt the system and now there is probably contamination or
air in the line somewhere.

The left caliper is doing all the braking.  It may have some contamination
grabbing the caliper pistons - check to make sure the left caliper is
releasing OK.  Bled it to see if any contamination comes out.

The right caliper is not getting the same force as the left.   Air in the
line can cause this - bled it some more.

Check to make sure the brake pads are floating in position, not cocked or
hung up at the edges.  I have had to file the edge down on a few pads to
make them fit correctly.

I don't think it is the case here but if the rear brakes are not adjusted
correct; they can cause this problem too.  Pull the park brake handle one
click at a time to see if the rear wheels grab and lock at the same time.

Ron Fraser

-----Original Message-----
From: tigers-bounces@autox.team.net [mailto:tigers-bounces@autox.team.net]
On Behalf Of Stu Brennan
Sent: Monday, May 28, 2012 7:28 PM
To: Tiger Net
Subject: [Tigers] Brake Mystery


OK, guys, troubleshooting time.  The problem:  Brakes pull sharply to the
left on application.  The pull is continuous, not transient on application.

Background:   All seemed fine last fall when I put it away.   I rebuilt the
calipers, slave and master last summer.  The right caliper pistons moved
freely, and grabbed the disk when the pedal was pressed.  The right bled OK.

Since the booster was going out for a rebuild, I replaced all three flex
hoses while I was waiting.  I finally got it all back together and bled it
this afternoon, then went for a drive.  Booster ok, no leaks, but the same
pull to the left was still there.  I pulled the ebrake, and it stayed
straight, so itbs not the rear, and I can feel it in the steering anyway.

So, any ideas?  What could happen over the winter that could cause something
like this?

Stu
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