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Date: 8 Nov 2004 18:23:12 GMT
From: Dave Hinz <DaveHinznospamcop.net>
Subject: Re: Clutch master problem (I think)


On Mon, 08 Nov 2004 17:12:06 +0000, Grunff <grunffnospam.com> wrote: > Dave Hinz wrote: > >> Questions: does this sound like master cylinder problems as I think? > > Very likely. Yes, with a "yes, but". See below: >> If so, could it be just a gummy hose between the reservoir and the >> master, or is this a master cyl rebuild thing? > > Eh? I'm confused. My 99 (1978 Combi Turbo, the only 99 I ever worked on) > had an integrated reservoir built into the master. Is this not the case > with yours? Yes, this is a 3-door (Combi). It has vacuum-assisted brakes, and the clutch slave cylinder looks very much like the one on my Sonetts - just the cylinder lengthwise, a pipe on the top going forwards, rubber hose clamped to the forwards-going pipe, that hose goes up to the bottom of the brake fluid reservoir which sits on top of the brake M/C, which is on the front of the vacuum servo. It looks like this: http://www.eeuroparts.com/images/diagrams/c900clutch.gif I wonder if that hose (to the reservoir) is gummed up inside, which would restrict it from getting fluid to the M/C. Reason I think this is when I open the bleeder nipple and apply pressure at the reservoir, _nothing_ comes out. Should it at that point (I'm thinking yes)? Also, the turkey-baster method doesn't work on this car, which implies something is blocking flow in _that_ direction as well. I took the slave cyl. out of the system, hooked my siphon hose to the end of the clutch hydraulic line, and behavior was the same (pulls back as I raise the pedal, almost always). So we're not pulling from the reservoir, either because the MC is bad, or the hose is plugged. Any guesses? The rebuild kit and the hose are about the same cost and not much different in screwing-around to get at. (can't _see_, but can reach, the hose on the m/c.) Dave

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