RE: [alfa] hissing brake booster

["Jortak" <jortak@xxxxxxxxxxx>]

Darrell,

You might want to look at 'O'ring seal between the master cylinder and the
booster.  It could be that whenever you press on the brake it could flex the
joint enough to break this sealing surface and allow the leak.  Make sure
the 2 nuts holding the master cylinder to the booster are tight.  This seal
is easy to replace and can be found at any parts store.  Other than that I
would suspect that the booster is bad.

Good luck
John Ortakales
71 Spider
www.knology.net/ortak


>Date: Mon, 29 Mar 2004 19:58:15 -0600
>From: "Darrel McGregor" <dmacgregor@domain.elided>
>Subject: [alfa] hissing brake booster

>I've got an 84 Spider that now has a hissing noise in the passenger
compartment when you step >on the brakes. (Includes drop in idle speed and
loss of braking power.)

>The strange thing is that it holds a vacuum for at least a few minutes (I
haven't checked any >longer than that) after the engine is shut-off. (You
can hear it hiss when you step on the >brake pedal.)

>My feel is that the brake booster is bad, but I'm wondering if there is
another failure that >can cause the symptom of no leak until you step on the
brake. Does anyone have any experience >with this? The service manual lists
a couple of seals that might be the problem, but it      >doesn't say where
they are or how to check them. Are these seals available or do you still
>have to replace the entire booster?

>Thanks for the help,

>Darrel
-----------------------------

Date: Mon, 29 Mar 2004 21:04:59 -0500
From: "Christopher Keen" <ckeen74@domain.elided>
Subject: [alfa] how turbos work

Hi Tess,

If you want to save yourself the time and expense of buying an actual book,
there's always Howstuffworks.com, specifically
http://auto.howstuffworks.com/turbo.htm. They're a pretty good resource for
understanding how a lot of things work - I could waste a lot of time at this

site.

Good luck
Chris Keen
'77 spider
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