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New bomb = 38 pumps




Well, I spent the better part on Saturday morning replacing the bomb (i.e. 
hydraulic accumulator) on my 5000.  Before, I had no reserve...with the 
engine off (even just turned off), there was no power assist for the 
brakes.  With the new bomb I noticed a few things that might help you others 
out there.  One is that with the working accumulator, when you relieve all 
the pressure, and then start the engine, the level in the reservoir falls 
about 7/8 of an inch (which it didn't do for me before).  This is a good way 
to see if your accumulator is accumulating any fluid (BTW, I have the round 
tank, not the square one).  Second is that it took 38 pumps for the assist 
to fade away with the engine just shut off.  Also, it was ok on number 36, 
weak on 37, and hard as a rock on 38.  I.e. it falls fast.  You guys out 
there losing it at 5...you got a problem.  For the record, I had just 
checked my servo (with the return tube leak test), and there was nary a 
drop.

I bought my new one from IPC in Fresno.  I'm not sure if they're the 
cheapest (279 for the new one), but everything I've bought from them (and 
it's some wierd Audi parts, not just brake pad type stuff) has fit and 
worked well, and they seem to actually stock stuff...none of that "well, 
when the boat arrives from Stuttgart, we'll call you" crap.

 - Mitch Loescher
   279 poorer, but with brakes.