Date: Thu, 24 Mar 2005 18:16:45 -0500 From: "doug" <dougejNOSPAMnospamFREEhotmail.com> Subject: Re: 9-3 brake rotor
Dave What I posted says it all - 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. 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? This isn't a Saab issue specifically; rather it's concept that applies to cars with ABS in general. 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. doug "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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