Ferrari Mailing List: Re: 328 stainless brake lines, rear pads replacement and more

[LarryT (l02turner]

Glad you solved the problem.  When those brake hoses get old, they tend to 
expand under braking allowing the pedal to move farther than desired.  Also, 
the SS hoses you bought are popular with the racing crowd as the SS covering 
is intended to prevent that expansion.   There was a problem with early SS 
hoses however - which I assume is solved - when cars sit for weeks at a time 
the bushing at each end of the hose can take a "set" (form in one position) 
and when the brakes are used the bushing does not change to the new form - 
causing a leak.  Racers typically dont see this as they tend to inspect and 
rebuild much of their equipment pretty often.  Just be aware this used to 
happen - like I said, I believe the problem was solved.  My 911 only gets 
driven every few weeks sometimes and has never had that problem.

Those rubber hoses can also wear in another way - internally.   The inner 
lining comes away from the outer casing and while pushing the pedal is not 
hindered, when the foot is removed the brake fluid is prevented from moving 
back toward the MC and allowing the pads to move away from the rotor because 
the inner lining blocks the fluid.  Since there's no pressure to move it 
along, it causes the pad to drag/

HTH's
Good luck!
.
Larry T (67 MGB, 74 911, 78 240D, 91 300D)
www.youroil.net for Oil Analysis and Weber Parts
Test Results http://members.rennlist.com/oil
PORSCHE POSTERS!  youroil.net
Weber Carb Info http://members.rennlist.com/webercarbs
Porsche Road Test http://members.rennlist.com/roadtest/
.
----- Original Message ----- 
From: "Rui Gigante" <rui.gigante [at] gmail.com>
To: "Larry Turner" <l02turner [at] comcast.net>
Cc: "The FerrariList" <ferrari [at] ferrarilist.com>
Sent: Monday, June 25, 2007 1:26 PM
Subject: [Ferrari] 328 stainless brake lines, rear pads replacement and more


> Sorry, stupid me forgot to attach the picture ... please delete the
> previous mail ....
>
>
>
> Hi listers,
>
> Last weekend I've finished replacing the brake lines with Goodridge
> Stainless Brake Lines. Some might remember I suspected of a problem with 
> the
> master cylinder because the brake pedal would sometimes sag a bit. Well,
> after a test drive, the problem no longer happened .... and the pedal feel
> is much, much better now, specially when braking hard. Highly recommended 
> !
> Strange, but maybe there was some water in the system, or it just needed a
> good cleaning. I'll keep testing ...
>
> In the process I've found that the rear brake pads need to be replaced. 
> One
> of them has less than a millimeter, and since I'll have a track day at
> Estoril next saturday, I've decided to replace them. I've replaced brake
> pads before, but never on a Ferrari.
>
> I've attached the diagram of the rear caliper. Do I need to unscrew number
> 11, 13, or both, to remove the floating caliper ?
>
> Any help is appreciated before I start removing things I don't need to 
> ....
>
>
> Rui


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