[s-cars] Re; S-Car Brake system conversion

Tom Green trgreen at comcast.net
Sun Mar 15 19:34:47 PDT 2009


>
This little annoying problem is just that, Dennis.  A small annoyance,  
not a big problem.  It is an ABS wheel sensor problem-probably just  
one, and
most likely at the wheel hub.  A VAG-COM check may reveal which wheel- 
maybe.  If so, good, if not check each sensor for proper position in  
the holder.
It could be a bad sensor or a wiring problem, but not an  
insurmountable problem.  At least, you know where to start even if you  
don't know the ending for
sure.

Given your URQ experience. I think I will just try to make the  
hydraulic system the best it can be.

Tom


> -----Original Message-----
> Date: Sun, 15 Mar 2009 10:18:14 -0400
> From: dgraber460 at aol.com
> Subject: Re: [s-cars] S-Car Brake system conversion- Read- no more PS
> 	pumpintegration <question>
> To: cody at 5000tq.com, vinnieb2 at yahoo.com, s-car-list at audifans.com
> Cc: urq at audifans.com
> Message-ID: <8CB739003A28914-D18-3038 at FWM-M16.sysops.aol.com>
> Content-Type: text/plain; charset="us-ascii"
>
> I have an UR S6 with brake issues as well, so I can empathize with  
> those feelings! My car is briefly activating the anti-locks on every  
> stop as the speedo crosses 10 MPH on decel.
> In the FWIW department, I have switched my URQ over to the vacuum  
> system from a CGT, and it works fine for daily driver duty. However,  
> I have tracked the car twice since and found that 4 laps on a small  
> tight course is all I get from the vacuum system. In the? fifth lap  
> on both courses the brakes went rock hard.?Still functional enough  
> to keep me out of trouble, but the assist was gone. Pulled into the  
> pits and let it set for a few minutes and all went back to normal.  
> Four more laps and repeat.
> In the past when I have tracked a car with regular brake fluid (not  
> SuprBlue) I have encountered boiling brake fluid which required a  
> much longer recovery time, and felt much more disconcerting on use.  
> The brakes would almost go away completely.
> I'm definitely not suggesting you take either option and modify your  
> brakes in any way. That is totally your responsibility, but thought  
> this information might be of interest.?
>
>
> Dennis Graber
> Denver, CO
> 720-838-0558



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