Date: Fri, 14 Jul 2000 18:24:02 GMT
From: "Keith Grider" <keithnopsamhallidaytech.com>
Subject: Re: Help: Mushy Clutch Pedal


Andre, I would have it looked at by a Saab mechanic. Seized bleed screw is a bad thing as you cannot get the air out of the system. The way the hydraulic master/slave works (in general) is that a small amount of fluid is removed from the reservoir and pushed into the line to the slave cylinder. The increased volume of fluid in the line then causes the slave to move. If there is air in the line, the air has to be compressed (the fluid cannot be compressed) and the pedal may have to move more than is required to disengage the clutch. To get the air out of the line, the bleed screw must be opened, and the air forced out by the master. Air in the line could cause increased clutch wear and possibly transmission synchro damage. Just my $0.02 Keith Grider "Andre Labelle" <andrenopsamcraft.com> wrote in message news:396F578B.BB06DDB7nopsamcraft.com... > The mechanic said that he couldn't bleed it because the bleed screw was > seized and he couldn't get at it very well. It seems to work fine now. > Is it possible that the air got out of the system by itself? What > happens, or could happen, if there is still air in the system? > > Keith Grider wrote: > > > > if it WAS mushy and it firmed up by itself, it should be bled again as there > > is still air in the system. > > > > Keith Grider > > > > "Andre Labelle" <andrenopsamcraft.com> wrote in message > > news:396F4FB7.26151006nopsamcraft.com... > > > I was having to pull the clutch pedal back up also ('93 9000). About a > > > week ago I had the master cylinder replaced. They had problems bleeding > > > it so it was mushy for a couple hours. Now it's firm. It seems like > > > replacing the master cylinder worked. > > > > > > john e nazimek wrote: > > > > > > > > Hello, > > > > At the recommendation of a mechanic recently, I had the cluctch master > > > > cylinder replaced on my '93 9000. Prior to that it would go from mushy > > to > > > > firm to mushy, etch. Then it got to the point where it wouldn't return > > to > > > > original position without using the foot to pull it back up. Now it > > seems > > > > to be happening again. Does this mean that the problem was not the > > master > > > > cylinder, it wasn't blead properly, maybe there is a leak in the system, > > > > or is it another bad master cylinder? What a tragedy, this car has been > > > > failing me a lot lately. > > > > Thanks in Advance. > > > > John > > >

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