[Biturbos4] Lack of heat in B5 series car - any thoughts? (common problems, etc)
glenahan at vfemail.net
Mon Dec 24 07:23:54 PST 2007
I'll get out ye olde VAG-COM ( and let Al chase the codes)
On Dec 24, 2007, at 9:54 AM, Mark R wrote:
> We have a GLX (AWD, V6) as a company car for our VP (purchased
> new). Great value as it's a total Audi drivetrain. The FWD
> versions seem to have more differences (suspension, etc.). Our
> 2001 is about to get replaced. It's been stellar, but it's around
> 200K miles now! My mother's BMW 330xi will likely become his new
> car as she wants something bigger.
> The climate control head should be scannable with VAG-COM. If
> there's a stepper motor failure, it'll surely turn up there. And
> that's where you should start the diagnosis.
> When he changes the cabin air filter, it would be a good
> opportunity to check for debris (leaves, dead rats) as well.
> Mark Rosenkrantz
> ('87 4KCSQ, '00 S4, and a bunch of other toys)
> On Dec 24, 2007 9:10 AM, Grant Lenahan <glenahan at vfemail.net> wrote:
> OK, its a Passat. and it isn't even mine.
> But a friend, who's a pretty fair mechanic, just bought a 2001 Passat
> for his son. It should be very similar to B5 A4s and S4s in this
> regard, I assume.
> One problem is that the heat doesn't work - it blows stone cold air
> (I'm told). They know the history of the car, and the owner says it
> was working normally one day, and totally gone the next. We suspect a
> mixture (cold/warm air) stepper motor died or a connection to it has
> a problem. But i've not heard many complaints about this.
> Any wisdom? Common problems? Things to check? Warnings?
> Thanks much,
> ps: apologies if this arrived twice. It got caught in moderator
> approval land and never emerged - or not so I saw.
> Biturbos4 mailing list
> Biturbos4 at www.audifans.com
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