02 A4q 3.0 Aux. belt tensioner failure

[Peter Golledge]

Ahhh missed the Aux/V belt bit.  I've kept the original tensioner going on
the 95 S6 by popping the bearing seal with a pick and putting in a high
viscosity grease each T-belt change. Was getting a bit dry by ~120k miles
the first time I did it, still going at 235 k miles.  My Subaru equivalent
on a WRX burned up at less than 100k miles, actually wore the pulley into
an oblong before we figured it out!

On Thu, Mar 17, 2016 at 1:30 PM, theringmeister at triad.rr.com <
theringmeister at triad.rr.com> wrote:

> ....by aux belt you mean the serpentine belt not timing...right?
>
> Not sure what the service interval on the tensioners for those is.. Cody
> probably knows but he's at Sebring this week keeping some vintage racecars
> track-worthy.
> Fairly certain the tensioner on my 92 UrS's AAN is original. I know it is
> on the 08 Q7's 3.6 ...at 170K. Probably need to change the belt at the very
> least... maybe the tensioner too.
>
> ----- Reply message -----
> From: quattro-request at audifans.com
> To: <quattro at audifans.com>
> Subject: quattro Digest, Vol 149, Issue 6
> Date: Thu, Mar 17, 2016 3:00 PM
>
> From: Tihol Tiholov <t.tiholov at gmail.com>
> To: "quattro at audifans.com" <quattro at audifans.com>
> Subject: '02 A4q 3.0 Aux. belt tensioner failure
> Message-ID:
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>
> Just sharing.
> 2 days ago the roller of the auxiliary/poly V belt tensioner seized with no
> prior noise warning prior and, of course, ripped the belt, almost through.
> Car had 150K km.
> How often does this happen? Have 3 other VAG products, 2 with original
> tensioners and no issues. Any BTDT's?
>
> --
> Tihol
>
>
> ------------------------------
>
> Message: 2
> Date: Thu, 17 Mar 2016 01:07:58 -0600
> From: Peter Golledge <petergolledge at gmail.com>
> To: Tihol Tiholov <t.tiholov at gmail.com>
> Cc: "quattro at audifans.com" <quattro at audifans.com>
> Subject: Re: '02 A4q 3.0 Aux. belt tensioner failure
> Message-ID:
> <CACt5vdX=vyjLFBa0MQvfmRtX2OrY3m0Xig4F326-y9gPL+ccSg at mail.gmail.com>
> Content-Type: text/plain; charset=UTF-8
>
> Well on all of the older generation motors (MC, AAN etc) belts/idlers were
> always replaced every 60K miles  (along with Water pump since it was the
> tension device).  I'd keep with that, way cheaper than a new motor.
>
> Could be worse there are later V8 Audis with insane ($5K) repairs to get
> timing chain tensioners replaced. :-)
>
> On Wed, Mar 16, 2016 at 1:40 PM, Tihol Tiholov <t.tiholov at gmail.com>
> wrote:
>
> > Just sharing.
> > 2 days ago the roller of the auxiliary/poly V belt tensioner seized with
> no
> > prior noise warning prior and, of course, ripped the belt, almost
> through.
> > Car had 150K km.
> > How often does this happen? Have 3 other VAG products, 2 with original
> > tensioners and no issues. Any BTDT's?
> >
> > --
> > Tihol
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