Recharged Bomb (AKA Brake Pressure Accumulator) - Failure

[George Harris]

Sorry, I'm not intimately familiar with the procedure. The reason I
asked is I visited a private 'Audis Only' shop in Ontario. Zoltan, the
owner, had rebuilt a few of these bombs, and part of the procedure,
after testing that it was not leaking, was to install a valve in it so
it could be charged. Logically, if the valve can be used once, it can be
used again. I'm assuming that the charge leaked out slowly over time,
and a simple recharge of Nitrogen would give the bomb a third life just
with the recharge at a significantly reduced cost. Conceivably one could
get a spare bomb from the wreckers and have it recharged and sitting on
the shelf waiting until you need it. One might even get pretty
proficient at installing the bomb ;-) BTW Zoltan had printed out a
procedure that he must have found in the archives (originally prepared
by Russ?).

George

hien pham wrote:
>
>
> What I meant was the procedure for recharging the accumulator.
>
>
>
>
>> From: "hien pham" <digitizit at msn.com>
>> To: harchris at smokesignal.net, Eric_R_Kissell at whirlpool.com
>> CC: quattro at audifans.com
>> Subject: Re: Recharged Bomb (AKA Brake Pressure Accumulator) - Failure
>> Date: Fri, 11 Apr 2003 18:06:54 -0700
>>
>>
>> Hi George,
>>
>> I need to replace my cars' brake Presure accumulator. I wonder if you
>> could
>> describe the procedure.
>>
>>
>>
>>
>>
>>> From: George Harris <harchris at smokesignal.net>
>>> To: Eric_R_Kissell at whirlpool.com
>>> CC: quattro at audifans.com
>>> Subject: Re: Recharged Bomb (AKA Brake Pressure Accumulator) - Failure
>>> Date: Fri, 11 Apr 2003 20:00:42 -0400
>>>
>>> Did Russ's units not have any tire valve on it so you could recharge
>>> yourself?
>>>
>>> George
>>>
>>> Eric_R_Kissell at whirlpool.com wrote:
>>>
>>>> I am reporting that my recharged bomb has died.  I cannot recall
>>>> seeing a
>>>> report of the failure of a recharged bomb here before.
>>>>
>>>> Russell Southerlin recharged this brake pressure accumulator for me
>>>> several years ago.
>>>> I got about 40,000 miles out of the recharged unit.
>>>>
>>>> Because I could not contact Russ to arrange for another recharged
>>>> bomb, I
>>>> bought a new one from Adirondack Auto for ~$190.
>>>>
>>>> The recharged bomb cost me $50 plus shipping when Russ did it, so I got
>>>> about 40,000 miles for $50.  I do not know how long a new bomb
>>>> lasts, but
>>>> comparing the $190 new price to $50 recharged price means I could by 4
>>>> recharged units for about the price of one new.  If each recharged
>>>> units
>>>> lasted 40,000 miles or more, four of them would get you ~160,000 miles
>>>> for
>>>> about the same money as a one new one.  That is if you did not pay for
>>>> installation.  I found it is not too bad of a job, but I like to buy
>>>> cars
>>>> that have low levels of exposure to road salt.  I would have gone with
>>>> another recharged unit if I found one quickly enough.
>>>>
>>>> BTW, I started receiving a red brake warning triangle periodically
>>>> while
>>>> driving several weeks ago.  I did not check the bomb right away.
>>>> Eventually I experienced the solid brake pedal.  The red brake warning
>>>> triangle has not reappeared since I changed the bad bomb yesterday
>>>> evening.
>>>>
>>>> Also, I refilled the hydraulic oil with Amsoil ISO 32 synthetic
>>>> hydraulic
>>>> oil.  After I drain and cycle out most of the Green Gold, I will report
>>>> on
>>>> how this performs.  I had intended to change over before winter, but
>>>> somehow I am just getting around to it, so I cannot report on cold
>>>> weather
>>>> performance.  Of course Southern Indiana does not really get cold
>>>> weather,
>>>> anyway.  I bought 5 gallons, so I could make some available to
>>>> others to
>>>> try for my cost if they are close enough for delivery.  I do not
>>>> want to
>>>> ship any repackaged oil. I will be moving to Tiffin (NW), Ohio in one
>>>> month so if any Northern Ohio listers want to try the Amsoil I can
>>>> arrange
>>>> it then.
>>>>
>>>> I have shared my experience.
>>>>
>>>> Eric
>>>> 1989 200q Avant, 1.8 Bar (qlcc)
>>>> 1986 5000cstq, 1.8 Bar (SJM)
>>>> 1987 VW GTI 1984cc - FOR SALE
>>>> Evansville, IN (soon Tiffin, OH)
>>>>
>>>>
>>>>
>>>
>>>
>>
>>
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