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Date: Wed, 22 Sep 2004 11:40:31 GMT
From: "LC" <goalie22nospamail.com>
Subject: Re: How hard is it to replace a slave cylinder on an 87' saab 900S?


I also looked at the picture. That looks quite a bit like what the item looks like from pictures i've seen. I know this was from a '78 Saab 99. My question is... Will I have to seperate the tranny from the engine to get at the clutch slave cylinder on the 900? If so, that makes my job appreciably harder. Thanks! "LC" <goalie22nospamail.com> wrote in message news:KF54d.11348$HC5.10557nospamsvr31.news.prodigy.com... > He says it's leaking a little when hot, and that it has not been bled. > He found this out on a trip back from atlanta (to des moines). > Any clues there? Either way, from what my mechanic buddy says, it's a > piece of cake job to replace the slave cylinder... but then again, it's > 500 miles away if replacing that doesn't work! > > > > "Dave Hinz" <DaveHinznospamcop.net> wrote in message > news:2rbk1oF18p7etU1nospamberlin.de... >> On Tue, 21 Sep 2004 19:18:56 GMT, LC <goalie22nospamail.com> wrote: >>> Not sure exactly... it's an ebay mobile. It's currently sitting about >>> 500 >>> miles from me. He says that the clutch is fine until it gets warm, and >>> then >>> you have to pump it up to get it to function.. He was told by a local >>> saab >>> mechanic that it was the slave cylinder. >> >> To me, that sounds like air bubbles, anyone else agree? I'd go for it. >> I'm thinking you _might_ be able to get it fixed by just bleeding the >> clutch properly; unless it's pissing fluid all over (ask) that may be the >> only thing wrong. Find out if it's leaking there or just working badly >> when it's warm. If it's not leaking, then do this: >> >> Take along (stay with me here, I'm serious) a roll of duct tape, a turkey >> baster, 6 feet of clear tubing to fit over the end of the baster, two >> pints of DOT-4 brake fluid, and the right size wrench for the clutch >> bleeder nipple (13mm? Anyone know this? I can check tonight). >> >> Take a look here: >> http://68.78.86.35:/dave/saab/99turbo/reanimation/ >> Click on "removing the engine" >> There's a collection of thumbnail images there. The one with the best >> view >> of the clutch slave cyl. is number 030.html, click on it for a bigger >> shot. >> image 032 is pretty good too. Anyway, the best way to bleed the clutch >> on >> these cars has nothing to do with the clutch pedal and pumping, because >> there >> is a long vertical tube that's of more volume than the volume of the >> master >> cyl...so you can't get it all out that way, period. >> >> Open the hood. Tape the baster to the upper (used to be rear) edge of >> the hood (after removing the bulb. It's a funnel now.) Hose from >> baster onto bleeder nipple, fluid in baster. Try to get the bubble out >> of the clear tubing before you push it through the system, no reason to >> make this worse. Let gravity pull the fluid down through the baster, >> through the clear tube, into the slave cyl, up the piping, and into the >> reservoir. Watch the pretty bubbles, and try not to let the funnel/tube >> empty or you'll get new bubbles in there. >> >> When it's done bubbling (you may have to siphon some fluid out of the >> reservoir during all this), close the bleeder nipple, and remove your >> funnel/hose. Don't get the DOT-4 on the paint. >> >> If the clutch is leaking hydraulic fluid and the slave really is bad, >> then this won't help much if at all. But, there's at least a reasonable >> chance that the "doesn't work when hot" is actually air space in the >> fluid. Worst case you'll know that's not it. If it works when >> it's cold, you can at least get going, and you can get a long way >> on the freeway without shifting. >> >>> I dunno.. it's a decent car for cheap, and I need something for my >>> sis-in-law. >> >> If you're comfortable with the above, you should be fine. I don't know >> if >> I'd drive a couple days with a suspect clutch, but I wouldn't have a >> problem >> doing it for, say, a 1/2 day cross-state trip if that's the sort of thing >> we're talking about. I'm open to anyone saying "that's not an air >> problem, >> Dave", but it's at least reasonable, likely, and easy to fix. >> >> Dave Hinz >> >> > > > >

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