S4 / RS4 (B5 Platform) Discussion Discussion forum for the B5 Audi S4 & RS4 produced from 1998-2002

my ABS and BRAKE lights flashing...

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Old Aug 31, 2003 | 08:33 AM
  #1  
addìct's Avatar
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Default my ABS and BRAKE lights flashing...

i read the manual, and it says, now i will have rear brake lock-up.

is it a bad idea to go to the drag strip saturday? also, what caused this and how can it be dealt with?

anyone have a price range to fix it?

i have alcon 4pot front brakes w/pagid pads,
and stock rear's with axxis pads
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Old Aug 31, 2003 | 08:38 AM
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Default have you also checked the brake fluid?

That'll make lights come on too.

If you lock your rear brakes, the car could easily spin...not a good thing from a drag run.
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Old Aug 31, 2003 | 08:49 AM
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Default it seems as though it is full but...

i'm not 100% sure. i took off the cap, to check the fluid level, but there is a filter on top.

any other sure ways of checkin it?
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Old Aug 31, 2003 | 10:07 AM
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Default ABS is also tied to MAF

Have you vagged it yet?
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Old Aug 31, 2003 | 10:12 AM
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Default

There are min/max marks on the side. When was the system flushed last?
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Old Aug 31, 2003 | 10:42 AM
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Default try cleaning and reseating the ABS sensor on the wheel that is thinking it's locking

I did this and it worked. I acuallyused osme windex to get some crud and rust off the sensor.
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Old Aug 31, 2003 | 11:08 AM
  #7  
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Default Re: my ABS and BRAKE lights flashing...

I had the same lights, then my brakes locked up. The dealer replaced the EPS pump, pressure sensor, and brake light sensor. Now my brake pedal goes to the floor w/o the car stopping. Waiting for a new master cylinder to come in to be installed. Hopefully that fixes it.

'02 S4 18,000
Stock (sometimes)
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Old Aug 31, 2003 | 05:07 PM
  #8  
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Default Mine was doing it too...so I just disconnected the ABS controller...actually it was another reason

It was cause my car to stumble and run like **** when I first got the K04s put in. I haven't had any problems yet...but I do need to replace the ABS unit.
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