Date: Mon, 21 Dec 1998 20:25:11 -0100 From: "G.Velema / M. Hilvers" <NOSPAMgvelemanopsamr.NL.net> Subject: Re: misc problems
> ... > >brakes which had normal pressure during driving looses pressure. The brake > >pedal will go almost to the floor and stopping can be difficult. ... > >with the master cylinder or seals of anykind? Is this something that I > could fix myself. > > I would say that your master cylinder is gone. The tell-tale sign is that > it won't hold for any length of time. If the car breaks and then the pedal > sinks to the floor will holding it I'd recommend replacing the thing. ... I agree it is likely to be the seals and cups in the master cylinder. The same goes for this kind of clutch trouble. If there is leakage at the slave cylinders you will see hydraulic fluid leaking to the outside. If it is the master cylinder (either brake or clutch) there does not have to be visible leakage. If it is the inside seal/cup that is leaking it will leak from the high pressure side to the low pressure side inside the master cylinder. ... > Replacing this thing isn't all that bad but bleeding the system sure can suck. ... Replacing the entire master unit is only necesary if the inside wall is scored/scratched, otherwise just replace the seals and cups. That is a job any DIY mechanic can do with a standard set of tools (a workshop manual also helps). The repair kit will only cost a few $$, replacing the entire unit will cost a lot, as all SAAB parts do. BTW the brake/clutch unit is not SAAB OE it is likely to be Girling or Lockheed. Bleeding the brake/clutch system is not really a problem, unless you shear off the bleeder screws at the wheel cylinders - then you are in trouble. > Mahazgnoitche! Say what?? -- MH ('78 95 '79 96)
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