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Date: Sun, 21 Nov 2004 11:21:56 +0000
From: Charles Christacopoulos <>
Subject: Re: C900 front rotor screw size?

Dave Hinz wrote: > On Sun, 21 Nov 2004 03:17:23 GMT, Dexter J <> wrote: > >>Well that is novel, thank you very much for the pix on it. I think I will >>do the same next time I have to do the rotors. Very sensible solution to >>the problem. > > > For the record, I got all 4 torx bolts out of the front rotors on the > '86 today, with _zero_ grunting, swearing, penetrating oil, or anything. > Wrench in, twist, click, "that was easy". All 4 brake bleeder nipples > loosened fine too. Brakes are still crap; the pedal is soft and goes > all the way to the floor slowly, although I'm not losing any fluid. > I assume this is master cylinder rebuild time. Anyone have a goood > online DIY guide for a vacuum-assisted Saab c900 brake master cylinder? > I already know I can't just take it off the front of the booster with > the two bolts which look like the obvious method. > > Dave Hinz > When I did that on a 1983 900... you could get an overhaul kit ... with the rubber seals etc. Next time I looked the kit included the pistons. One issue with overhauliing the old one is if the culinder is in good condition if not you need a complete replacement. I have an old haynes manual it has half a page of text on the issue and 1 page of diagram. Do you have it? Make sure no fluid gets on the paintwork as it will strip it off. Nothing hidden in removing the master cylinder from the car. Undo the two bolts you talk about, *all* the pipes + wires connecting to it ... and it comes off. There is a rubber O ring between the cylinder and the servo unit. That and maybe a bit of rust have stuck the two together. If everything is diconnected try maybe a tap with a soft hammer. Your car does not have ABS, does it? (not on 1986 model) Then it is different to what i have been saying above. If it helps at all. Charles -- Please remove _removeme_ to reply. Work: Hobby:

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