[s-cars] NAC: ABS MIL

[Scott DeWitt]

Your friend will be wasting his time and money attempting to sue. There are 
no monetary damages. I would inform the dealer as to what happened so next 
time they can be better informed.

Scott
----- Original Message ----- 
From: "Igor Kessel" <KBATPO at comcast.net>
To: "Toborg Michael (AC-SM/ESC3) *" <Michael.Toborg at us.bosch.com>
Cc: "Audi Q-list" <quattro at audifans.com>; "Audi S-list" 
<s-car-list at audifans.com>
Sent: Tuesday, July 12, 2005 10:35 PM
Subject: Re: [s-cars] NAC: ABS MIL


>
> The conclusion.
>
> per my recommendation, in no small part reinforced by the collective 
> wisdom of this great list my doctor friend replaced the half worn front 
> 205/55/16 all-season Conty crap with a couple of brand new 205/50/16 
> SP9000. Yeah, I know it's a wrong size, but they are the same as the rear 
> ones and the rears are summer only and are almost new.
>
> The ABS problem has magically gone away. My friend is now pissed like hell 
> at his Volvo dealership and is considering suing them for consumer fraud 
> for wanting to sell him a new ABS unit.
> :)
>
> Gentlemen, thank you so much for your replies and advice, both on- and 
> off-list.
>
> -- 
> Igor Kessel
> two turbo quattros
>
>
> Toborg Michael (AC-SM/ESC3) * wrote:
>> In theory, ABS needs to have all wheels the same rolling radius, but the
>> system should be able to compensate for the ~3% difference. If the
>> difference were a little bit bigger (5-6% difference) there might be a
>> problem. 3% is kind of near the border on what can cause a shutdown.
>> So, that could be the problem yes. If the MIL comes on after some
>> driving, it must be the difference in rolling radius, if the MIL comes
>> on at key up, that would point to some electical problem.
>> HTH
>> Mike
>>
>> -----Original Message-----
>> From: s-car-list-bounces at audifans.com
>> [mailto:s-car-list-bounces at audifans.com] On Behalf Of Igor Kessel
>> Sent: Friday, July 08, 2005 12:52 AM
>> To: Audi S-list; Audi Q-list
>> Subject: [s-cars] NAC: ABS MIL
>>
>> Folks,
>> I am posting this on behalf of one mechanically challenged doctor friend
>>
>> of mine.
>> The patient is a 1996 Volvo 850, 20v turbo 5 cylinder, auto. An ABS MIL 
>> in his car was interpreted by the dealer as "come on in and bend over, 
>> we'll screw you good". As we all know, 99% of problems with car 
>> electronics happen due to bad connections, yet the dealer wants to 
>> replace the ABS controller. Surprise surprise...
>>
>> Anyway, it has just occurred to me that the ABS controller may not like 
>> the fact that his front tyres are stock (205/55/16, yeah, just like the 
>> Audi :), whereas his rear tyres are smaller by 20mm (205/50/16) - did I 
>> mention that my friend was a doctor and could hardly tell a steering 
>> wheel from a spare wheel?
>>
>> Methinks that the 3.3% of rolling circumference difference and 20 extra 
>> rev/km are enough to trip the ABS MIL. Is it too far fetched or is there
>>
>> any merit to this suspicion? I have a gut feeling that the ABS controller 
>> is not his problem.
>>
>> Any opinions? Thx in advance.
>>
>
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