Creg's problem is not the booster. His problem is most likely air in the
lines. Creg, you so fluid coming out of thatone connection there close to the
firewall. If fluid is leaking out, air is probably leaking in. You need to
fix this leakm bleed the brakes, and hope there are no more leaks...
D^2
Quoting Mark Swingle <mark.swingle@xxxxxxxxx>:
> I don't think it's the entire problem, but if you are hearing a hiss
> when
> you hit the brakes, it's probably the vacuum leaking from the booster.
> But
> when I had that problem, the pedal was hard (no assist) until the
> vacuum
> from the engine compensated for the leak.
>
> Mark
> 1990 Chrysler Imperial
> 1991 Plymouth Grand Voyager LE
> 1994 Chrysler LeBaron LX convertible
> 1997 Dodge Neon Highline sedan
> Atlanta, GA
>
> -----Original Message-----
> From: mailing-list-owner@xxxxxxxxxxxxxxxx
> [mailto:mailing-list-owner@xxxxxxxxxxxxxxxx]On Behalf Of Greg Graham
> Sent: Thursday, April 03, 2003 2:36 PM
> To: mailing-list@xxxxxxxxxxxxxxxx
> Subject: IML: 67 Braking problems again
>
>
>
> Oh great powers that make things stop, I need your wisdom now. Here are
> the
> symptoms with my '67 (naturally, front disks and rear drums). I press
> on
> the stop button and there's quite a bit of pedal travel and a noticable
> hiss
> from the pedal area when I do so. The pedal will go to the floor with
> little effort and the brakes will finally grab, but at a minimal
> amount.
> The pedal is not "hard", it simply goes to the floor. No amount of
> pumping
> the brakes makes any difference at all. The hiss stops as soon as I
> reach
> the floor (only hisses while the pedal is in motion). The "brake
> system"
> light comes on. Once to the floor and the car has stopped, the brakes
> will
> hold it stopped indefinitely as long as I keep my foot on the pedal (no
> gradual slip like a bad Master cylinder). What on earth is wrong with
> my
> brakes now?
>
> Here are the things that have been done: The following items have been
> replaced: Master Cylinder, all metal brake lines, rear wheel
> cylinders,
> rubber lines up front from the metal line to the brake itself. No
> leaks
> anywhere under the hood and no drips at any of the wheels. No loss of
> brake
> fluid; Master Cylinder stays full. I recently had the brake lines bled
> when
> I purchased new tires, but I am not exactly confident in the quality of
> their work. Still air in the lines? Bad Power brake booster? Bad
> "new"
> master cylinder? Can pads or disks or drums be the culprit? What sort
> of
> thing would result in so much pedal travel with so little result in
> braking?
> The Convertible starts every time and rides like a dream... but that
> won't do me any good if I can't stop!
>
> Thanks, Greg
>
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