[A8] Banging on rotors
Rich, Jack
JRich at Kronos.com
Mon May 8 14:53:01 EDT 2006
That's what it was like. I was ready to give up and take it to my
mechanic, but he had already said you sometimes have to beat it really
hard, so I just kept going. The original rotor is full of dents.
-----Original Message-----
From: a8-bounces at audifans.com [mailto:a8-bounces at audifans.com] On Behalf
Of Britt Crowell
Sent: Monday, May 08, 2006 11:49
To: a8 at audifans.com
Subject: Re: [A8] Banging on rotors
Helped a friend with his Jeep about 2 years ago to replace the rotors
due to
warpage.
After removing the claipers and banging on the rotors a bit with a
rubber
and plastic mallet, I called my mechanic uncle to make sure I wasnt
missing
something.
Then we used a 2x4 to hit them from the other side with a 8lb sledge.
Finaly just got under it with another BFH and beat dents all in the
rotors.
Eventualy POP!
They were silly stuck! Never seen that before! Even on my old 5ks that
would
sit for a year sometimes wating for some TLC.
Glad you got Er' Done!
Britt
>
> 1. Re: Bolt size holding on front (Lucas) calipers? (Rich, Jack)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Sun, 7 May 2006 22:34:38 -0400
> From: "Rich, Jack" <JRich at Kronos.com>
> Subject: Re: [A8] Bolt size holding on front (Lucas) calipers?
> To: "A8 Audifans \(E-mail\)" <a8 at audifans.com>
> Message-ID:
> <EF567CE9D817494EB0FE72B2418D6D6F0326E60A at exchg-d.KRONOS.COM>
> Content-Type: text/plain; charset="iso-8859-1"
>
> The correct answer is 21mm.
>
> That was the most difficult PITA brake job I've ever done. Although
> the
> pads are about the easiest to change I've ever seen (you don't have to
> remove or loosen the calipers) replacing the rotor wins the prize for
most
> difficult brake system I've seen. First, those 21mm bolts are on
> inordinately tight and 2nd, one of them is inaccessible behind the ABS
> wiring harness mount. It was also the first time I've ever changed
brakes
> that the disc was frozen on. Not just a little, but
> 20-minutes-pounding-with-a-hammer stuck on. They didn't need
replacing
> very badly, but I'd bought rotors, and once I started hitting it, I no
> longer wanted to leave it on. Normally I buy rotors because if you
are
> going to replace the pads, you might as well do rotors while you are
in
> there. I recommend against that on this car and replace them only
when
> necessary since the pads are really easy and the calipers are a bitch.
I
> left the original rotor on the other side, as it also was at least a
> little stuck and otherwise seemed in fine shape and hadn't been hit.
I
> now have one spare rotor for next time, when my passenger side will
need
> it and my driver's side won't.
>
> Oh, one last thing to go wrong: the pads from Tire Rack had the wrong
> wear-wiring connector, so I had to solder the original connector from
the
> old pads to the new pad wires.
>
> Jack
>
> -----Original Message-----
> From: a8-bounces at audifans.com [mailto:a8-bounces at audifans.com]On
> Behalf Of Rich, Jack
> Sent: Saturday, May 06, 2006 5:06 PM
> To: A8 Audifans (E-mail)
> Subject: [A8] Bolt size holding on front (Lucas) calipers?
>
>
> I went to replace my front rotors and found that the bolt holding on
> the
> caliper was larger than my largest size of 19mm. I've never
encountered
> this problem doing brakes before. Does anyone know what size bolt this
is?
> This is a 2001 A8L with the Lucas calipers (with the dual piston, 4
pads
> per caliper.)
>
> Thanks,
>
> Jack Rich
> Senior Member of Technical Staff
> Kronos
> www.kronos.com
> Improving the Performance of People and Business(tm)
>
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> End of A8 Digest, Vol 13, Issue 2
> *********************************
>
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