Sticky brakes when pulling up from a stop. Any ideas?

escapA8 · 08-13-2002, 08:59 AM

I looked through the A8 forum database but couldn't find anything about this.

My brakes seem to stick when I pull up after coming to a stop. Sometimes it only seems to happen to one of the brakes because the steering wheel briefly pulls slightly to one or the other side. Also, after the brakes stick like that and I only accelerate to about 20 mph and push the brake pedal even slightly, I get the vibration in my pedal as if I was activating ABS. Yesterday my ABS, Traction and Brake warninglights lit up. After turning the engine off and on I was able to reset these warninglights which haven't lit up since.

Any opinions about what I should be looking for? Dirty sensors?

Thanks guys! (1997 A8 3.7 FWD, no mods whatsoever)

barryl · 08-13-2002, 10:25 AM

Hello,

When was the brake fluid last changed? You might have
old fluid that has absorbed a lot of water. That might
be causing problems in the calipers.

Good luck,
Barry

escapA8 · 08-14-2002, 07:25 AM

escapA8 · 08-21-2002, 10:17 AM

I had it fixed at Audi Schaumburg for about $250. Car runs fine again!

08-13-2002, 08:59 AM	#1
escapA8 Member Account #: 31455 Join Date: Jan 2002 Posts: 2,158	Sticky brakes when pulling up from a stop. Any ideas? I looked through the A8 forum database but couldn't find anything about this. My brakes seem to stick when I pull up after coming to a stop. Sometimes it only seems to happen to one of the brakes because the steering wheel briefly pulls slightly to one or the other side. Also, after the brakes stick like that and I only accelerate to about 20 mph and push the brake pedal even slightly, I get the vibration in my pedal as if I was activating ABS. Yesterday my ABS, Traction and Brake warninglights lit up. After turning the engine off and on I was able to reset these warninglights which haven't lit up since. Any opinions about what I should be looking for? Dirty sensors? Thanks guys! (1997 A8 3.7 FWD, no mods whatsoever) __________________ escapA8 = escapade 1997 A8 3.7 FWD Tiptronic by PaulW & tozoM8 Bilstein Shocks - Eibach Springs Ferodo DS2500 Brake Pads

08-13-2002, 10:25 AM	#2
barryl New Member Account #: 34376 Join Date: Mar 2002 Posts: 298	Re: Sticky brakes when pulling up from a stop. Any ideas? Hello, When was the brake fluid last changed? You might have old fluid that has absorbed a lot of water. That might be causing problems in the calipers. Good luck, Barry __________________ Barry Lenoble http://members.rennlist.com/drive944/ lenoble@optonline.net

08-14-2002, 07:25 AM	#3
escapA8 Member Account #: 31455 Join Date: Jan 2002 Posts: 2,158	Thanks for your ideas. I'll check my brake fluid! __________________ escapA8 = escapade 1997 A8 3.7 FWD Tiptronic by PaulW & tozoM8 Bilstein Shocks - Eibach Springs Ferodo DS2500 Brake Pads

08-21-2002, 10:17 AM	#4
escapA8 Member Account #: 31455 Join Date: Jan 2002 Posts: 2,158	Problem turned out to be a broken ABS speed sensor! I had it fixed at Audi Schaumburg for about $250. Car runs fine again! __________________ escapA8 = escapade 1997 A8 3.7 FWD Tiptronic by PaulW & tozoM8 Bilstein Shocks - Eibach Springs Ferodo DS2500 Brake Pads

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