flashing brake light

[Huw Powell]

I agree with Mark, and feel compelled to add that the *red* flashing 
warnings are not trivial, they indicate serious problems.  Also, one 
should never assume that the sender (or whatever) is broken.

Mark R wrote:
> I'll comment......
> Fix the leak!  You should not have to add brake fluid, let alone
> repeatedly.  OK- As things wear, a little fluid might be added in between
> pad and rotor changes, but that's a 1 time add, if any.
> 
> The damp conditions could be brake pad wear sensor wires loosing continuity
> or another wiring issue.
> 
> Mark Rosenkrantz
> 
> On Thu, Feb 26, 2009 at 11:58 AM, Max Hoepli <mhoepli at vif.com> wrote:
> 
>> Patient: 1986 Turbo Quattro type 44, 300,000 km
>>
>> My red triangle warning light was blinking and sounding, I added DOT 4
>> brake
>> fluid, the problem seemed to have been solved. When it is wet outside the
>> blinking comes on again, but less often after brake fluid added. The sensor
>> cables to the brake pad wear sensors have been cut.
>>
>> Comment.
>>
>>
>> Max
>>
>>
>> -----Original Message-----
>> From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
>> On
>> Behalf Of Andrew Duane
>> Sent: Thursday, January 22, 2009 09:48
>> To: cobram at juno.com; suffolkd at aol.com
>> Cc: quattro at audifans.com
>> Subject: RE: flashing brake light
>>
>> When my brake light started flashing, it was almost always due to a
>> slightly low fluid level in the reservoir. Cornering or sloshing would
>> make the light flicker.
>>
>> quattro-bounces at audifans.com wrote:
>>> Not in my experience, because even a bad bomb will hold
>>> pressure when the
>>> car is running.  A bad bomb won't compensate for pressure needed for
>>> heavy assist or engine off operation.  During normal driving
>>> you wouldn't
>>> even notice it, since pump pressure is so high it will
>>> maintain without
>>> the nitrogen assist.  If your pumps marginal, have a clogged line or a
>>> bad leak, you'd hear the whine of the pump and notice the
>>> lack of assist
>>> way before any idiot lights start flashing.
>>>
>>> BCNU,
>>> http://www.geocities.com/cobramsri/
>>> "God's a kid with an ant farm. He's not planning anything."
>>>
>>> suffolkd at aol.com writes:
>>>> Flashing brake light (sporadic) on an older brake "bomb" assist type
>>>> of car mean his pressure accumulator is starting to fail?
>>>> Ur S4/6 have these as well as the 200 20V?
>>>>
>>>> -Scott by BOSTON
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>> /Andrew
>>
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> 

-- 
Huw Powell

http://www.humanspeakers.com/audi

http://www.humanthoughts.org/