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Date: Tue, 22 Dec 1998 01:10:01 -0500
From: "The Man" <TD-TTCdeadnopsam.net>
Subject: Re: misc problems


G.Velema / M. Hilvers wrote in message <367EBCB7.2B34nopsamr.NL.net>... >> ... >> >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. > I've never had much luck with those rebuild kits. Damn things always seem to not last very long and I'm right back to sqyare one. I've only used rebuild kits with American cars though (mostly Fords). I decided it was much less headache to buy the whole thing either new or in the boneyard. I've got one going on my old '84 and I may give it a try. Everything on my Saabs seems to work better then on those old Fords. >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. Yes sirre, Bob! That's whatta I'm talkin' a bout!! Although I will say again on my '84 Saab when I had to replace a front caliper I bleed the breaks and I was amazed that each screw losened after a short soak with that Kroyil stuff and a little TLC. (Try that on one of those old Fords!!!) Don't know if it was because the previous owner was working on the thing recently or just that everything is better Saab. Either way when I do the master cylinder I will do it myself since they have been losend in the past year or so. Only got one question though, will I need to bleed the cylinders for the clutch? I sure hope not cause that stuff scares me!!! > >> Mahazgnoitche! > >Say what?? That'd be the all purpose greeting/salutation. I think loosely translated it's like Aloha or something. > >-- >MH ('78 95 '79 96) See ya!! The Man ('84 900 '88 900T)

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