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Date: Sat, 26 Mar 2005 15:18:38 -0500
From: "doug" <dougejNOSPAMnospamFREEhotmail.com>
Subject: Re: 9-3 brake rotor


>>And please don't top-post, it fucks up the flow of the conversation And for a second there I thought you might have some class. "Dave Hinz" <DaveHinznospamcop.net> wrote in message news:3ainiaF6cr3dvU1nospamvidual.net... > On Thu, 24 Mar 2005 18:16:45 -0500, doug > <dougejNOSPAMnospamFREEhotmail.com> wrote: >> Dave >> >> What I posted says it all - > > Yes, I saw what you posted. > >> if one forces brake fluid through any ABS system >> in a direction it was not intended to flow, there is always the potential >> for damage. > > Brakes _do_ intend flow in the reverse direction. That's how they > release. > >> The electronically controlled solenoid valves in a hydraulic >> control unit are not designed for bi-directional flow. The act of forcing >> a >> piston back into its bore in the caliper can - and occasionally does - >> cause damage. Why even risk it if it can be avoided so easily? > > Do you have any documentation that shows that your theory applies > to Saab brake systems? > >> This isn't a Saab issue specifically; rather it's concept that applies to >> cars with ABS in general. > > Yes, I understand that. > >> My advice is based on many years of experience and >> common sense. Factory repair manuals are great for providing info on how >> to >> do repairs on proprietary components, or for wiring diagrams or >> troubleshooting diagrams. But does one need to refer to Saab >> documentation >> to do decide if it's better to avoid damaging an expensive component by >> following my suggestion? I think not. > > And yet, until I see something from Saab's documentation, your > suggestion is just based on handwaving and theory. If it's valid, > Saab will say so. If they don't, it's just another "I heard someone say" > level of advice. > > I'm not saying your suggestion doesn't seem logical, I'm saying > that plenty of things that seem logical are unnecessary and/or > wrong, and I'm trying to see some evidence other than you saying "it > makes sense" to decide which category this goes into. > > And please don't top-post, it fucks up the flow of the conversation. > >> "Dave Hinz" <DaveHinznospamcop.net> wrote in message >> news:3agoirF68k3u0U1nospamvidual.net... >>> On Thu, 24 Mar 2005 15:53:35 -0500, doug >>> <dougejNOSPAMnospamFREEhotmail.com> wrote: >>>> >>>> Under no circumstances should you push the caliper piston back into the >>>> bore - there is definitely the potential of damage to the ABS. >>> >>> Can you show any Saab documentation that says that? >>> >> >>

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