200q20v Digest, Vol 123, Issue 2

Tue Mar 4 12:57:13 PST 2014

Girl don't worry, I've been lied too. Kicked around so many times before

Regards,

jfk

802 272 5868
jkempf at madriver.com

On 3/4/2014 3:00 PM, 200q20v-request at audifans.com wrote:
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> Today's Topics:
>
>     1. Re: 200q20v Digest, Vol 123, Issue 1 (Jay Kempf)
>     2. Re: Brake Master Cylinder (SAJanesick - Bellsouth)
>     3. Re: 200q20v Digest, Vol 123, Issue 1 (SAJanesick - Bellsouth)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 04 Mar 2014 14:28:07 -0500
> From: Jay Kempf <jkempf at madriver.com>
> To: 200q20v at audifans.com
> Subject: Re: 200q20v Digest, Vol 123, Issue 1
> Message-ID: <53162947.8020800 at madriver.com>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> One thing I have done in the past for things you can't get or things you
> can't rebuild is to buy the nearest a new or rebuilt alternate and
> disassemble it to get the internal guts and rebuild the existing with
> those parts. These master cylinders are supposedly not rebuildable but I
> was able to get one apart and measure it to try to source new seals. So
> if your 4 port one has exactly the same guts you could just take the
> guts out and rebuild the one you have with it. The front snap ring can
> be cut and removed with a Dremel or die grinder with a thin cut off
> wheel. A standard snap ring can be put in it's place. I have done that
> part successfully.
>
> Also, I have been resealing unsleeved aluminum brake and clutch cylinder
> housings for years, probably decades, on high end euro cars. Inspect the
> bore when you get it apart. If it is clean as most are, then reuse it
> with the new seals.
>
> The Porsche 928 has a somewhat notoriously hard to get out clutch
> master. So many rebuild it from the pedal side with the guts of a new
> clutch master by just removing the pedal pushrod, boot and snap ring.
> Then pulling the guts out and putting the new guts in. Just one example
> (happens to be a cast iron housing) but I have done many other oddballs
> like that. Many where I have taken the seals to the seal supply place
> and just gotten the new lip seals (normally 4 for a two chamber master).
> Some master cylinders have different bore diameters for the two diagonal
> or front/rear circuits so disassembly to know what you have to go get is
> key.
>
> Regards,
>
> jfk
>
>
>>> According to an ATE cross-reference site, the internal specs are the same
>>> in terms of bore.  Externally they appear identical save the two
>>> additional ports.
>>>
>>> I have not fitted it yet in case I need to send it back.
>>>
>>> The question is has anyone used the unit for the standard 200 and capped
>>> the two additional brake line feed holes with a threaded plug and then
>>> successfully used that BMC in the TQ20V, or are there internal differences
>>> that require the original 2 port version?
>>>
>>> If I can save $230 by altering the 4 port BMC to a 2 port, then I'll be
>>> satisfied to drive around town.  No track time intended.
>>>
>>> Thanks,
>>>
>>>       - Steve Janesick
>>> _______________________________________________
>>>
>
>
> ------------------------------
>
> Message: 2
> Date: Tue, 4 Mar 2014 14:40:00 -0500
> From: "SAJanesick - Bellsouth" <sajanesick at bellsouth.net>
> To: <scotty at advancedautomotion.com>
> Cc: 200q20v at audifans.com
> Subject: Re: Brake Master Cylinder
> Message-ID: <56FEE4DE35294B419164A186CEB1B840 at LENOVODFE0A9CE>
> Content-Type: text/plain; format=flowed; charset="utf-8";
> 	reply-type=original
>
> Scott,
>
> The bottom link from AutohausAZ lists an ATE OEM part for the TQ20V. That is
> the best example I can provide for you although I also found it referenced
> in the ATE web catalog as:03.2125-3610.3 010214, found on this link:
> http://outcat-cs.tecdoc.net/ows/en/CB4BA8AD2CDA5863BDF349DD8C22D2EE.ows_cs1.srv;jsessionid=CB4BA8AD2CDA5863BDF349DD8C22D2EE.ows_cs1?view=VIndexFramesetJsp
>
> After reading your information about rebuilder reluctance on aluminum parts,
> I looked back at the RockAuto CENTRIC part that I purchased and it is NOT
> listed as a rebuilt unit.  I mistook it for a Cardone rebuilt unit below it.
> Make sense as there also was no core charge on it.
>
> The question still remains as to whether or not I could simply plug the
> unneeded holes and carry on from there.
>
>              - Steve
>
>
> ----- Original Message -----
> From: "Scott DeWitt" <scotty at advancedautomotion.com>
> To: "SAJanesick - Bellsouth" <sajanesick at bellsouth.net>
> Cc: <200q20v at audifans.com>
> Sent: Tuesday, March 04, 2014 2:05 PM
> Subject: Re: Brake Master Cylinder
>
>
>> What part number do you need?
>>
>> I had a conversation at AAPEX with a guy who was working a booth for a
>> reman company and he said that they do not rebuild any brake components
>> that have aluminium housings, as often people never change the fluid and
>> it gets slightly corrosive and pits the surface. The only correct way to
>> rebuild those would be to sleeve it and they couldn't compete with the
>> companies that just replace the seals.
>>
>> Scott
>>
>> On Tue, March 4, 2014 12:49 pm, SAJanesick - Bellsouth wrote:
>>> Chipping down the list of things to fix a binding RF caliper, the next
>>> item to change is the brake master cylinder.  AutohausAZ has one at
>>> $300+,
>>> but since the car is so old and this is something of an experiment, I
>>> opted for a cheaper rebuilt unit from RockAuto - CENTRIC Part #
>>> 13033110 -
>>> for $103.  The unit I received is apparently similar but not identical to
>>> the original.
>>>
>>> The rebuilt CENTRIC looks like the BMC for the standard 200 Quattro as
>>> illustrated by AutohausAZ.
>>> http://www.autohausaz.com/search/product.aspx?sid=5lqoz045vymflc45bhb1fg2p&makeid=800002@Audi&modelid=1007277@200%20QUATTRO%20TURBO&year=1991&cid=14@Brake%20%26%20Wheel%20Hub&gid=1836@Brake%20Master%20Cylinder
>>>
>>> The BMC for the TQ20V appears identical except it only has two ports vs.
>>> the four ports above.
>>> http://www.autohausaz.com/search/product.aspx?sid=5lqoz045vymflc45bhb1fg2p&makeid=800002@Audi&modelid=1007288@200%20QUATTRO%20TURBO&year=1991&cid=14@Brake%20%26%20Wheel%20Hub&gid=1836@Brake%20Master%20Cylinder
>>>
>>> According to an ATE cross-reference site, the internal specs are the same
>>> in terms of bore.  Externally they appear identical save the two
>>> additional ports.
>>>
>>> I have not fitted it yet in case I need to send it back.
>>>
>>> The question is has anyone used the unit for the standard 200 and capped
>>> the two additional brake line feed holes with a threaded plug and then
>>> successfully used that BMC in the TQ20V, or are there internal
>>> differences
>>> that require the original 2 port version?
>>>
>>> If I can save $230 by altering the 4 port BMC to a 2 port, then I'll be
>>> satisfied to drive around town.  No track time intended.
>>>
>>> Thanks,
>>>
>>>      - Steve Janesick
>>> _______________________________________________
>>> 200q20v mailing list http://www.audifans.com/mailman/listinfo/200q20v
>>>
>>
>> -- 
>> Thanks!
>> Scott DeWitt
>> Advanced Automotion
>> Ph:  720.4.GEARS.1 (720.443.2771)
>> Fax: 361.288.8030
>> Any price quoted in this email is valid for 15 days, and subject to
>> availability.
>> Http://www.advancedautomotion.com
>> Shipping, Return, and Warranty policies
>> http://www.advancedautomotion.com/shipping.php
>> http://www.advancedautomotion.com/warranty.php
>>
>
>
> ------------------------------
>
> Message: 3
> Date: Tue, 4 Mar 2014 14:46:01 -0500
> From: "SAJanesick - Bellsouth" <sajanesick at bellsouth.net>
> To: <jkempf at madriver.com>,	<200q20v at audifans.com>
> Subject: Re: 200q20v Digest, Vol 123, Issue 1
> Message-ID: <FFD0FEE33F9F4E99B982E36A71C2B489 at LENOVODFE0A9CE>
> Content-Type: text/plain; format=flowed; charset="iso-8859-1";
> 	reply-type=response
>
> Jay -
>
> I'm moderately competent in turning a wrench, and while I'd consider
> rebuilding a clutch master if there were few other alternatives, I draw the
> line with brakes.  It could be a very painful learning experience for a
> first time BMC rebuilder.
>
> However, I thank you for the insight and additional information - and
> applaud you on diving in where others like myself hesitate.  And you have
> provided me with an alternative approach if all else fails.
>
>              - Steve
>
> ----- Original Message -----
> From: "Jay Kempf" <jkempf at madriver.com>
> To: <200q20v at audifans.com>
> Sent: Tuesday, March 04, 2014 2:28 PM
> Subject: Re: 200q20v Digest, Vol 123, Issue 1
>
>
>> One thing I have done in the past for things you can't get or things you
>> can't rebuild is to buy the nearest a new or rebuilt alternate and
>> disassemble it to get the internal guts and rebuild the existing with
>> those parts. These master cylinders are supposedly not rebuildable but I
>> was able to get one apart and measure it to try to source new seals. So if
>> your 4 port one has exactly the same guts you could just take the guts out
>> and rebuild the one you have with it. The front snap ring can be cut and
>> removed with a Dremel or die grinder with a thin cut off wheel. A standard
>> snap ring can be put in it's place. I have done that part successfully.
>>
>> Also, I have been resealing unsleeved aluminum brake and clutch cylinder
>> housings for years, probably decades, on high end euro cars. Inspect the
>> bore when you get it apart. If it is clean as most are, then reuse it with
>> the new seals.
>>
>> The Porsche 928 has a somewhat notoriously hard to get out clutch master.
>> So many rebuild it from the pedal side with the guts of a new clutch
>> master by just removing the pedal pushrod, boot and snap ring. Then
>> pulling the guts out and putting the new guts in. Just one example
>> (happens to be a cast iron housing) but I have done many other oddballs
>> like that. Many where I have taken the seals to the seal supply place and
>> just gotten the new lip seals (normally 4 for a two chamber master). Some
>> master cylinders have different bore diameters for the two diagonal or
>> front/rear circuits so disassembly to know what you have to go get is key.
>>
>> Regards,
>>
>> jfk
>>
>>
>>>> According to an ATE cross-reference site, the internal specs are the
>>>> same
>>>> in terms of bore.  Externally they appear identical save the two
>>>> additional ports.
>>>>
>>>> I have not fitted it yet in case I need to send it back.
>>>>
>>>> The question is has anyone used the unit for the standard 200 and capped
>>>> the two additional brake line feed holes with a threaded plug and then
>>>> successfully used that BMC in the TQ20V, or are there internal
>>>> differences
>>>> that require the original 2 port version?
>>>>
>>>> If I can save $230 by altering the 4 port BMC to a 2 port, then I'll be
>>>> satisfied to drive around town.  No track time intended.
>>>>
>>>> Thanks,
>>>>
>>>>       - Steve Janesick
>>>> _______________________________________________
>>>>
>> _______________________________________________
>> 200q20v mailing list http://www.audifans.com/mailman/listinfo/200q20v
>
>
> ------------------------------
>
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> End of 200q20v Digest, Vol 123, Issue 2
> ***************************************