[s-cars] Brake light staying on after start up

[Brian Armstead]

Thanks Jim.  You are certainly right!  Fred has come to the rescue
several times.  His posts are extremely descriptive--a huge help for C4
newbies like myself.

Fred was kind enough to send this to me already, but I do appreciate you
sending it too!

Brian
93 S4

85 5KT
86 5KT
89 200Q all now departed

> "James Murray (QA/EMC)" wrote:
> 
> You can't ask for better than this... Author: Fred Munro, Audi UrS4
> Central Hydraulic Fluid Flush
> 
> http://www.s-cars.org/postnuke/modules.php?op=modload&name=Downloads&file=index&req=viewdownloaddetails&lid=8&ttitle=Audi_UrS4_Central_Hydraulic_Fluid_Flush
> 
> /Jamu.
> 
> -----Original Message-----
> From: s-car-list-bounces at audifans.com
> [mailto:s-car-list-bounces at audifans.com]
> Sent: Monday, October 24, 2005 7:14 AM
> To: Rich Assarabowski
> Cc: 'audifans'
> Subject: Re: [s-cars] Brake light staying on after start up
> 
> Great tips Rich/Fred.
> 
> Can you give a procedure on how to flush the hydraulic fluid?
> 
> THanks,
> 
> Brian
> 93 S4
> 
> Rich Assarabowski wrote:
> >
> > The brake light can also be actuated by a sensor in the master
> cylinder,
> > which often gets sluggish.  To test it, when the brake light is on
> > temporarily disconnect the wires at the bottom of sensor in the
> master
> > cylinder, if the light goes out then the problem is with the master
> cylinder
> > or more likely just the sensor.  Like with the bomb, the light also
> tends to
> > stay on for a few seconds after startup if it's not up to snuff.
> >
> > As Fred points out, it's not a problem to be ignored, flushing the
> hydraulic
> > fluid regularly should be on everyone's maintenance schedule.
> >
> > -- Rich A.
> >
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