[urq] Brake Booster

[Thatcher Hubbard]

Eric has become wise in the ways of Urq-dom in only a few months.

Someone on this list told me that he went to stainless steel brake
lines to firm up the pedal feel after a G60 conversion.  It would make
sense that they would feel spongy without a master cylinder change as
well.

On 5/12/05, Eric Renneisen <racingiron at comcast.net> wrote:
> Mike wrote:
> > ETKA shows two part numbers for the Brake
> > Booster, 857612107A and 859612107. I was
> > told that the 107A unit is available. Will
> > that work in my early build 83 #459?
> 
> Careful reading of the Family Album will reveal that the 859- P/N is for
> the '88+ urqs with a different hydraulic system.  The first number you
> list is correct for the USA.  Hold on to your hat before requesting a
> price quote, though.  You're not gonna want to spend that kind of dough
> without a good reason.
> 
> > I've replaced the parts a a preventative
> > measure, and the brakes work ok, but they
> > feel a bit spongey even after bleeding and
> > replacing the brake fluid.
> 
> Spongy compared to what?  If you're used to the stock calipers, the
> slightly more pedal travel with the G60s might be what you sense.  If
> not, how did you bleed?  I'd be certain all the air is out before going
> further.
> 
> > What tells me that the Booster could be on
> > it's way out is that I see a small amount
> > of ATF leaking on the screw/stop located on
> > the bottom of the booster. Any suggestions?
> 
> That ATF leak is simply telling you that you own an urq (they all do it
> eventually).  The booster isn't dead, it just needs a rebuild (1/10th
> the price of replacement).  Check archives from a couple of weeks ago.
> 
> Eric Renneisen
> '93 S4
> '86 urq
> Chattanooga, TN
> 
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