Installing an ATB Diff.
Andy Szyszkowski
andys at aemf.org
Fri Nov 20 08:21:42 PST 2009
I'm considering the installation of a Quaiffe ATB in my 6 speed 01e
trans, and may want to do the install myself. Since I'll simply be
replacing the center section and retaining the same R&P, it should be
reasonably straight forward (I've done a few standard differential set
ups before). Short of buying the full manual, is there a reference to a
link where I can get the lash and bearing preload specs? Also, how are
the bearing shims sold; in sets, individually, or? Are the shims
normally stocked by dealers?
Thanks for your help,
Andy
=============================
-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
On Behalf Of quattro-request at audifans.com
Sent: Friday, November 20, 2009 7:18 AM
To: quattro at audifans.com
Subject: quattro Digest, Vol 73, Issue 26
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Today's Topics:
1. Re: MPG (victor norman)
2. RE: MPG (Hayes Myers)
3. Re: MPG (Kent McLean)
4. Brake behavior (Brian K. Ullrich)
5. Re: Brake behavior (DK)
6. Re: Brake behavior (Grant Lenahan)
7. Re: Brake behavior (Mark Rosenkrantz)
8. Re: Brake behavior (Grant Lenahan)
----------------------------------------------------------------------
Message: 1
Date: Thu, 19 Nov 2009 16:14:02 -0500
From: "victor norman" <victor.norman at sbcglobal.net>
Subject: Re: MPG
To: <quattro at audifans.com>
Message-ID: <3E6D34C9517042BB89F26E3E20F119EF at dad>
Content-Type: text/plain; charset="iso-8859-1"
I have a 2000 A4 2.8 quattro and never seem to get more than 20mpg in
mixed town and highway driving. That plus the piddling small gas tank
means that I need to refill every 250 miles. Lousy mpg for a small car,
I just assume that it's the penalty that goes with 4 wheel drive. Anyone
else have similar results?
Vic Norman
------------------------------
Message: 2
Date: Thu, 19 Nov 2009 16:21:07 -0500
From: "Hayes Myers" <hayesmyers at gmail.com>
Subject: RE: MPG
To: "'victor norman'" <victor.norman at sbcglobal.net>,
<quattro at audifans.com>
Message-ID: <014f01ca695e$361887a0$a24996e0$@com>
Content-Type: text/plain; charset="us-ascii"
I got that on my A6 v8 (02 model)...although crept up a little bit on
the
hwy. Is it automatic?
-----Original Message-----
From: quattro-bounces at audifans.com [mailto:quattro-bounces at audifans.com]
On
Behalf Of victor norman
Sent: Thursday, November 19, 2009 4:14 PM
To: quattro at audifans.com
Subject: Re: MPG
I have a 2000 A4 2.8 quattro and never seem to get more than 20mpg in
mixed
town and highway driving. That plus the piddling small gas tank means
that I
need to refill every 250 miles. Lousy mpg for a small car, I just assume
that it's the penalty that goes with 4 wheel drive. Anyone else have
similar
results?
Vic Norman
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quattro mailing list
http://www.audifans.com/mailman/listinfo/quattro
http://www.audifans.com/kb/List_information
------------------------------
Message: 3
Date: Thu, 19 Nov 2009 16:54:41 -0500
From: Kent McLean <kentmclean at comcast.net>
Subject: Re: MPG
To: quattro at audifans.com
Message-ID: <4B05BEA1.1020901 at comcast.net>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
victor norman wrote:
> I have a 2000 A4 2.8 quattro and never seem to get more than 20mpg in
> mixed town and highway driving.
I get in the low 20s (22-23), but that's without a lot of stop-and-go
traffic
slowing me down. That's about the same as I get with the 20V and the
V8. Go figure.
--
Kent McLean
1990 V8 w/5-speed and other mods
1991 200 TQA #3, with mods
1999 A4 Avant, V6 Tiptronic
gone: '91 200 TQA x2, '94 100 S Avant, '89 200 TQ "Bad Puppy"
------------------------------
Message: 4
Date: Thu, 19 Nov 2009 20:47:36 -0600
From: "Brian K. Ullrich" <bullrich at ullrichsys.com>
Subject: Brake behavior
To: <quattro at audifans.com>
Message-ID: <07020A69751F4CDB8CADD096A1FA3186 at nick>
Content-Type: text/plain; charset="us-ascii"
Hi all.
I'm a regular poster in the V8 and 200Q20v lists, but I have a question
that
is really related to a 1990 200tq 10v, and thought you guys could help.
A
little background first:
I have replaced everything that is rubber under the car, including
shocks,
lower control arms, tie-rod ends. In doing so, we removed each wheel
assembly in the front including the calipers, as well as the calipers in
the
back. We did the brake lines and pads all around. Prior to doing so, the
brake pedal was firm, but sort of dead, meaning that the power assist
did
not seem to be active. It felt like a conventional, non-powered brake
system. But, it worked. No ABS light, and the car stopped quite well.
Once we re-assembled the car, we re-pressured the lines, and then bled
out
the brakes using the pressure system. They bled well (a TON of fluid),
but
when we put the car on the ground, the pedal pulsed, and then went
straight
to the floor, and the calipers seem to have clamped down. We can still
roll
the car, but clearly the brakes are not working.
I am not familiar with this braking system, so I'm in the dark, and my
Audi
wrench is more familiar with B4+ cars, so this one is a mystery to him
as
well. His first thought is master cylinder (not leaking), or the bomb
(which
neither of us have much knowledge of, either than it exists).
Does anyone have any words of wisdom here?
Thanks!
Brian
------------------------------
Message: 5
Date: Thu, 19 Nov 2009 21:21:11 -0700
From: DK <proleonk at gmail.com>
Subject: Re: Brake behavior
To: quattro at audifans.com
Message-ID:
<6cbaa2370911192021i189309e0i34108e229f249276 at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
If you did bleed the brakes correctly without getting air back in to
the system, it should work. Did you run low/out of fluid when bleeding
by any chance? How much pressure did you apply with the pressure
bleeder as the limit is around 30psi. I would rebleed the brakes
manually to be sure, starting furthest away from the MC.
How long where the calipers/ lines disconnected for? Maybe lots of
fluid drained while disconnected, running the MC completely dry. It
shouldnt have affected the ABS, but the pulsing of the pedal could
indicate that a sensor maybe is at fault, activating the ABS, or the
ABS reservoir drained. (Not too familiar how the ABS works)
Regarding the brake bomb, sounds like it isnt quite working anymore -
hence the firm brake pedal before. It only works when the engine is
running, it gets pressure from the PS pump. Doesnt relate to the pedal
going to the floor.
Dave
------------------------------
Message: 6
Date: Fri, 20 Nov 2009 09:22:50 -0500
From: Grant Lenahan <glenahan at vfemail.net>
Subject: Re: Brake behavior
To: "Brian K. Ullrich" <bullrich at ullrichsys.com>
Cc: quattro at audifans.com
Message-ID: <02FBF7DE-01A6-4412-90EF-C226F6C50A2B at vfemail.net>
Content-Type: text/plain; charset=US-ASCII; delsp=yes;
format=flowed
this is mysterious, but i've observed other go through similar
agony. So at least consider and check:
1. did you bleed the ABS dry? If so you must cycle the ABS pump with
the bleeder in place or it pumps air.
2. could you have gotten dirt in a caliper so it wont release?
3. could you have an ABS control module failure? I have no idea why
bleeding would cause this, so its unlikely, but i did hear of it
causing a very similar problem once
Grant
On Nov 19, 2009, at 9:47 PM, Brian K. Ullrich wrote:
> Hi all.
>
>
>
> I'm a regular poster in the V8 and 200Q20v lists, but I have a
> question that
> is really related to a 1990 200tq 10v, and thought you guys could
> help. A
> little background first:
>
>
>
> I have replaced everything that is rubber under the car, including
> shocks,
> lower control arms, tie-rod ends. In doing so, we removed each wheel
> assembly in the front including the calipers, as well as the
> calipers in the
> back. We did the brake lines and pads all around. Prior to doing
> so, the
> brake pedal was firm, but sort of dead, meaning that the power
> assist did
> not seem to be active. It felt like a conventional, non-powered brake
> system. But, it worked. No ABS light, and the car stopped quite well.
>
>
>
>
>
> Once we re-assembled the car, we re-pressured the lines, and then
> bled out
> the brakes using the pressure system. They bled well (a TON of
> fluid), but
> when we put the car on the ground, the pedal pulsed, and then went
> straight
> to the floor, and the calipers seem to have clamped down. We can
> still roll
> the car, but clearly the brakes are not working.
>
>
>
> I am not familiar with this braking system, so I'm in the dark, and
> my Audi
> wrench is more familiar with B4+ cars, so this one is a mystery to
> him as
> well. His first thought is master cylinder (not leaking), or the
> bomb (which
> neither of us have much knowledge of, either than it exists).
>
>
>
> Does anyone have any words of wisdom here?
>
>
>
> Thanks!
>
>
>
> Brian
>
> _______________________________________________
> quattro mailing list
> http://www.audifans.com/mailman/listinfo/quattro
> http://www.audifans.com/kb/List_information
>
Grant Lenahan
glenahan at vfemail.net
(201) 602-4702 mobile
------------------------------
Message: 7
Date: Fri, 20 Nov 2009 10:01:52 -0500
From: Mark Rosenkrantz <speedracer.mark at gmail.com>
Subject: Re: Brake behavior
To: Grant Lenahan <glenahan at vfemail.net>
Cc: quattro at audifans.com, "Brian K. Ullrich" <bullrich at ullrichsys.com>
Message-ID:
<56e3dd120911200701i1ff55e2bgd8953c2d7a873c1e at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1
Sounds like air in the ABS pump, or (even more likely) a blown seal due
to
pressure bleeding. I'm not sure the procedure to bleed on the older
cars.
On the newer cars, you use VAG-COM to operate the ABS pump while
bleeding.
On older cars, I use a Vacula for bleeding. Vacuum bleeding the system
is a
bit safer on the seals than pressure bleeding brakes of clutches.
Mark
On Fri, Nov 20, 2009 at 9:22 AM, Grant Lenahan <glenahan at vfemail.net>
wrote:
> this is mysterious, but i've observed other go through similar
> agony. So at least consider and check:
>
> 1. did you bleed the ABS dry? If so you must cycle the ABS pump with
> the bleeder in place or it pumps air.
>
> 2. could you have gotten dirt in a caliper so it wont release?
>
> 3. could you have an ABS control module failure? I have no idea why
> bleeding would cause this, so its unlikely, but i did hear of it
> causing a very similar problem once
>
> Grant
> On Nov 19, 2009, at 9:47 PM, Brian K. Ullrich wrote:
>
> > Hi all.
> >
> >
> >
> > I'm a regular poster in the V8 and 200Q20v lists, but I have a
> > question that
> > is really related to a 1990 200tq 10v, and thought you guys could
> > help. A
> > little background first:
> >
> >
> >
> > I have replaced everything that is rubber under the car, including
> > shocks,
> > lower control arms, tie-rod ends. In doing so, we removed each wheel
> > assembly in the front including the calipers, as well as the
> > calipers in the
> > back. We did the brake lines and pads all around. Prior to doing
> > so, the
> > brake pedal was firm, but sort of dead, meaning that the power
> > assist did
> > not seem to be active. It felt like a conventional, non-powered
brake
> > system. But, it worked. No ABS light, and the car stopped quite
well.
> >
> >
> >
> >
> >
> > Once we re-assembled the car, we re-pressured the lines, and then
> > bled out
> > the brakes using the pressure system. They bled well (a TON of
> > fluid), but
> > when we put the car on the ground, the pedal pulsed, and then went
> > straight
> > to the floor, and the calipers seem to have clamped down. We can
> > still roll
> > the car, but clearly the brakes are not working.
> >
> >
> >
> > I am not familiar with this braking system, so I'm in the dark, and
> > my Audi
> > wrench is more familiar with B4+ cars, so this one is a mystery to
> > him as
> > well. His first thought is master cylinder (not leaking), or the
> > bomb (which
> > neither of us have much knowledge of, either than it exists).
> >
> >
> >
> > Does anyone have any words of wisdom here?
> >
> >
> >
> > Thanks!
> >
> >
> >
> > Brian
> >
> > _______________________________________________
> > quattro mailing list
> > http://www.audifans.com/mailman/listinfo/quattro
> > http://www.audifans.com/kb/List_information
> >
>
>
>
> Grant Lenahan
> glenahan at vfemail.net
> (201) 602-4702 mobile
>
>
>
>
> _______________________________________________
> quattro mailing list
> http://www.audifans.com/mailman/listinfo/quattro
> http://www.audifans.com/kb/List_information
>
------------------------------
Message: 8
Date: Fri, 20 Nov 2009 10:17:07 -0500
From: Grant Lenahan <glenahan at vfemail.net>
Subject: Re: Brake behavior
To: Mark Rosenkrantz <speedracer.mark at gmail.com>
Cc: quattro at audifans.com, "Brian K. Ullrich" <bullrich at ullrichsys.com>
Message-ID: <69EF2C55-1BBB-4E5E-A33B-FA721D8387A3 at vfemail.net>
Content-Type: text/plain; charset=US-ASCII; delsp=yes;
format=flowed
that said, i prefer pressure bleeding as it is safer w/r/t keeping
air out. But you must keep pressure under 20 lbs, preferably under 15
lbs. to be really safe.
I know people who use one 30x a year during track season.
Grant
On Nov 20, 2009, at 10:01 AM, Mark Rosenkrantz wrote:
> Sounds like air in the ABS pump, or (even more likely) a blown seal
> due to pressure bleeding. I'm not sure the procedure to bleed on
> the older cars. On the newer cars, you use VAG-COM to operate the
> ABS pump while bleeding.
>
> On older cars, I use a Vacula for bleeding. Vacuum bleeding the
> system is a bit safer on the seals than pressure bleeding brakes of
> clutches.
>
> Mark
>
> On Fri, Nov 20, 2009 at 9:22 AM, Grant Lenahan
> <glenahan at vfemail.net> wrote:
> this is mysterious, but i've observed other go through similar
> agony. So at least consider and check:
>
> 1. did you bleed the ABS dry? If so you must cycle the ABS pump with
> the bleeder in place or it pumps air.
>
> 2. could you have gotten dirt in a caliper so it wont release?
>
> 3. could you have an ABS control module failure? I have no idea why
> bleeding would cause this, so its unlikely, but i did hear of it
> causing a very similar problem once
>
> Grant
> On Nov 19, 2009, at 9:47 PM, Brian K. Ullrich wrote:
>
> > Hi all.
> >
> >
> >
> > I'm a regular poster in the V8 and 200Q20v lists, but I have a
> > question that
> > is really related to a 1990 200tq 10v, and thought you guys could
> > help. A
> > little background first:
> >
> >
> >
> > I have replaced everything that is rubber under the car, including
> > shocks,
> > lower control arms, tie-rod ends. In doing so, we removed each wheel
> > assembly in the front including the calipers, as well as the
> > calipers in the
> > back. We did the brake lines and pads all around. Prior to doing
> > so, the
> > brake pedal was firm, but sort of dead, meaning that the power
> > assist did
> > not seem to be active. It felt like a conventional, non-powered
> brake
> > system. But, it worked. No ABS light, and the car stopped quite
> well.
> >
> >
> >
> >
> >
> > Once we re-assembled the car, we re-pressured the lines, and then
> > bled out
> > the brakes using the pressure system. They bled well (a TON of
> > fluid), but
> > when we put the car on the ground, the pedal pulsed, and then went
> > straight
> > to the floor, and the calipers seem to have clamped down. We can
> > still roll
> > the car, but clearly the brakes are not working.
> >
> >
> >
> > I am not familiar with this braking system, so I'm in the dark, and
> > my Audi
> > wrench is more familiar with B4+ cars, so this one is a mystery to
> > him as
> > well. His first thought is master cylinder (not leaking), or the
> > bomb (which
> > neither of us have much knowledge of, either than it exists).
> >
> >
> >
> > Does anyone have any words of wisdom here?
> >
> >
> >
> > Thanks!
> >
> >
> >
> > Brian
> >
> > _______________________________________________
> > quattro mailing list
> > http://www.audifans.com/mailman/listinfo/quattro
> > http://www.audifans.com/kb/List_information
> >
>
>
>
> Grant Lenahan
> glenahan at vfemail.net
> (201) 602-4702 mobile
>
>
>
>
> _______________________________________________
> quattro mailing list
> http://www.audifans.com/mailman/listinfo/quattro
> http://www.audifans.com/kb/List_information
>
Grant Lenahan
glenahan at vfemail.net
(201) 602-4702 mobile
------------------------------
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