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________________________________
From: Abe Berman <yellowcuda at gmail.com>
To: Theodore Chen <tedebearp at yahoo.com>
Cc: trgreen at comcast.net; s-car-list at audifans.com; Keith Franchetti <skidfranc at gmail.com>
Sent: Tue, June 8, 2010 10:43:36 AM
Subject: Re: [s-cars] Sticky Big Red


Teddy,
 
This is the procedure that I found yesterday:
 
http://p-car.com/diy/brakepads/
 
I did not see a retaining bolt on my calipers, could that bolt be only on the 996 calipers?
 
a


On Tue, Jun 8, 2010 at 1:07 PM, Theodore Chen <tedebearp at yahoo.com> wrote:

Abe,you might want to try a web search to see if you can find pictures of the pad replacement procedure.  There's a retaining bolt on top of the caliper.  Remove this and the anti-rattle clip.  Then you should be able to grab the pads with pliers and pull them out.
>
>
>On Mon Jun 7th, 2010 7:58 PM PDT Abe Berman wrote:
>
>>Removed caliper this evening.  On the inside of LF rotor the pad seems to be
>>only contacting the outer edge of the rotor surface, the inner surface is
>>>rough with some light rust.  The pads seem to be jammed into the caliper
>>though and I couldn't easily figure out how to remove them.  I did not do
>>the conversion, so I am unfamiliar with this caliper design and the online
>>>descriptions indicate that the pads should be easily removed.  Is there a
>>trick that I am missing?
>>
>>On Mon, Jun 7, 2010 at 8:01 PM, Tom Green <trgreen at comcast.net> wrote:
>>>
>>> Abe, I mean clean the brake dust and crud off the caliper so you can see
>>> the condition of the dust boots.  You probably are going to have to remove
>>> the pads but not the caliper.  If one is torn it is probably best to bite
>>>> the bullet then and have them rebuilt.  Your inspection of the lines, etc is
>>> time well spent.
>>>
>>> That sounds like a shop you use regularly that checked the balance.
>>>  Knowing the problem, I am sure they would also look for a leaky piston or
>>>> other possible causes.  The shop I use will tolerate my inspection while
>>> they have the wheels off.
>>>
>>> I use Mintex red box and Hawk HPS for street pads.
>>>
>>> Tom '95 S6
>>>>          '95.5 S6 avant
>>> Knoxville, TN
>>>
>>> On Jun 7, 2010, at 3:27 PM, Abe Berman wrote:
>>>
>>> Tom,
>>>
>>> Thanks for the tips.  I did not closely inspect them, no, my mechanic
>>>> actually did the balancing as I do not have access to a balancer.
>>>
>>> What constitutes an "exterior cleanup"?  I usually wipe down the caliper
>>> exteriors and the surrounding with a rag and simple green when I change
>>>> winter and summer wheels.  I clean the rotors with brake cleaner should any
>>> simple green get on them.  I do not however remove the caliper or rotor.  I
>>> do inspect the lines and suspension components whilst down there.
>>>>
>>> Any recommendations on pads and fluid from the group?  As far as
>>> performance needs, this is a spirited daily driver only, no track use.
>>>
>>> Thanks,
>>>
>>> a
>>>>
>>>
>>> On Mon, Jun 7, 2010 at 2:31 PM, Tom Green <trgreen at comcast.net> wrote:
>>>
>>>>
>>>>
>>>>
>>>> Did you have a chance to inspect the brakes while the wheels were being
>>>>> checked for
>>>> balance?  You don't mention any intervening maintenance since the brakes
>>>> were
>>>> installed 5 yrs/30K miles ago.  It's certainly time for a fluid flush,
>>>>> exterior cleanup and
>>>> inspection, and perhaps a pad change.  If they are one piece rotors,
>>>> turning them to
>>>> provide a new and true bedding surface for new pads is a good idea.  If
>>>>> the pads are
>>>> worn 1/2 or more, the reposition of the piston may be all that is needed
>>>> along with the
>>>> new fluid, but if the pistons are out that far you might be advised to
>>>>> check behind the
>>>> dust boot to make sure the pistons are clean and add a little plasti-lube
>>>> to insure they
>>>> retract smoothly when resetting for new pads.
>>>>
>>>>> Then clean and inspect the brakes at least yearly and flush the fluid at
>>>> least every two
>>>> years.
>>>>
>>>>  Tom '95 S6
>>>>          '95.5 S6 avant
>>>>> Knoxville, TN
>>>>
>>>>  -----Original Message-----
>>>> Date: Mon, 7 Jun 2010 10:16:42 -0700
>>>> From: Martin Kozaczek <mkozaczek at gmail.com>
>>>>> Subject: Re: [s-cars] Sticky Big Red
>>>> To: Abe Berman <yellowcuda at gmail.com>
>>>> Cc: s-car list <s-car-list at audifans.com>
>>>>>   Message-ID:
>>>> <AANLkTilHqJpT3apSTxEfyJ0goZq8B9FwRMlw0kiQ_1Dp at mail.gmail.com>
>>>> Content-Type: text/plain; charset=ISO-8859-1
>>>>>
>>>> I've read that some have had luck with taking the caliper off (easier to
>>>> work this way) removing the seal or boot whatever it's called, then
>>>> cleaning
>>>>> out the piston bore with liberal amounts o WD40 or equivalent, clearing
>>>> out
>>>> with compressed air and reassembling.
>>>>
>>>> My calipers were new so I didn't bother, just sent them back.
>>>>>
>>>> On Mon, Jun 7, 2010 at 10:01 AM, Abe Berman <yellowcuda at gmail.com> wrote:
>>>>
>>>> Thanks for sharing Martin.
>>>>
>>>>>
>>>> Hmm, guess I should check the archives.  I am hoping (read: praying) that
>>>> I
>>>>
>>>> don't need to replace the caliper(s).
>>>>
>>>>
>>>>> On Mon, Jun 7, 2010 at 12:40 PM, Martin Kozaczek <mkozaczek at gmail.com
>>>> >wrote:
>>>>
>>>>
>>>>  This seems to be a common problem with the older style two piece
>>>>>
>>>>  928GTS/993 big reds or blacks.  I had a brand new set that did it right
>>>> from
>>>>
>>>>  day 1.
>>>>
>>>>
>>>>  I tried everything and could not get it to go away, so I returned them
>>>>> and
>>>>
>>>>  temporarily replaced them with 996 C4 calipers while I wait for my 996TT
>>>> big
>>>>
>>>>  reds.  Problem went away immediately when I put the 996 calipers on.
>>>>>
>>>>
>>>>   On Mon, Jun 7, 2010 at 9:27 AM, Abe Berman <yellowcuda at gmail.com>wrote:
>>>>
>>>>
>>>>  Patient - 95.5 Avant mit Porsche "Big Red" front calipers
>>>>>
>>>>
>>>>  Has anyone had problems with sticky Porsche calipers?
>>>>
>>>>
>>>>  I have been experiencing incidences of shuddering on the highway and
>>>>> feel
>>>>
>>>>  it
>>>>
>>>>  slightly (but intermittently) around town at lower speeds.  Checked
>>>>
>>>>  balance
>>>>
>>>>  on all 4 wheels and its fine.  Tires are new and have no external
>>>>>
>>>>  defects.
>>>>
>>>>
>>>>  I experienced this to a HEAVY degree whilst on the highway on Friday and
>>>>
>>>>  immediately pulled off at an exit.  Front Left wheel had serious heat
>>>>>
>>>>  radiating off of it and a strong brake smell, all others were normal.
>>>>
>>>>
>>>>  I did some reading and it seems like the correct procedure would be to
>>>>>
>>>>  clean
>>>>
>>>>  and lubricate slide pins and flush brake fluid/bleed brakes to eliminate
>>>>
>>>>  possible gunk/moisture in lines.
>>>>
>>>>>
>>>>  The Big Reds were installed approximately 5 years/30k miles ago.
>>>>
>>>>
>>>>  Thanks in advance for any thoughts.
>>>>
>>>>
>>>>  Abe
>>>>>
>>>>  Burlington, VT
>>>>
>>>>
>>>>
>>>
>>>
>>>
>
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