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

James Murray (QA/EMC) james.murray at ericsson.com
Mon Oct 24 09:31:51 EDT 2005


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=in
dex&req=viewdownloaddetails&lid=8&ttitle=Audi_UrS4_Central_Hydraulic_Fluid_F
lush

/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.
> 
> _______________________________________________
> S-CAR-List mailing list
> S-CAR-List at audifans.com
> http://www.audifans.com/mailman/listinfo/s-car-list
_______________________________________________
S-CAR-List mailing list
S-CAR-List at audifans.com
http://www.audifans.com/mailman/listinfo/s-car-list


More information about the S-CAR-List mailing list