Re: 164S Brake Lockup

[Thomas Washburn <thomasw@xxxxxxxxxx>]

> Date: Thu, 17 Jul 2003 19:54:55 -0600
> From: "Terry Johnston" <terence.johnston@domain.elided>
> Subject: 164S Brake Lockup
> 
> Today my front brakes on my 164 S locked up.  This happened once before about
> three years ago when I was in the SF Bay area.  As it was today it was very
> hot and was going slow.  The right front brake smoked both times.  Once I let
> things cool the brake freed up and I went on my way.  I am thinking since I
> get smoking from only the right front maybe there is a faulty sensor and only
> the right front is locking up.  Any ideas out there?  I am pretty sure this is
> heat related as the only times this has happened it has been well over 100
> degrees and it gets over that much more often in Utah than in the SF bay
> Area!

Terry,

Sounds like the all-too-common 164 master cylinder failure.  The right-front/
left-rear circuit will retain pressure, usually when it's very hot out.
  
The next time it starts happening (you can feel the brake pedal start to
stiffen), pull over and feel the temperature of all four wheels.  If the
right-front and left-rear wheel are hot, you've got a bad master cylinder.

I have some extra NOS master cylinders for sale if you need one.

  http://www.dedion.com/brake_master/index.html

Good luck,
-Tom
thomasw@domain.elided
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