Date: Wed, 07 Jun 2000 17:24:55 GMT From: BigFatGuynopsameja.com (BigFatGuy) Subject: Re: Valve replacement
_nopsamm (Mathias) wrote in <393DE3E5.D9561B2nopsamm>: Thanks all for the replies! I'm going to try to change the valve out this weekend. My understanding is that this is a common problem with some of the old 900s and that if this part replacement doesn't work, I should run a check on all the vacuum hoses. Ford >The bypass valve is EASY to replace. On my 9000 in took me about 20min, >and it could have been done faster if necessary. All you need is a >screwdriver. You may need to plug some hooses for cooling water, but >this is nothing to worry about. > >Morgan, when the bypass valve is leaking, air that has already been >measured by the air mass meter is released into open air, which makes >the air/fuel mixture to be all wrong. This is what causes the frequent >stalling... > >Br, >Mathias >9000 Aero -91 > > > >Morgan Bullard wrote: > >> If you can figure out which part it is, (it should look like the new >> one, :) ) it shouldn't take more than a few minutes. I don't know how >> that would cause your car to stall though, unless it is causing a >> vacumm leak. What it does it allow the compressed air from your turbo >> someplace to go when you close the throttle while under boost. It >> keeps your boost up and prevent large pressure build ups on the >> impeller of your turbo, which can damage it. >> >> "BigFatGuy" <BigFatGuynopsameja.com> wrote in message >> news:8F4B94BC6BigFatGuymydejacomnopsam126.101.100... >> > Hello all. >> > >> > I've recently been advised that in order to stop the frequent >> > stalling of my 1992 900 Turbo Convertible, I should replace its >> > turbo bypass valve. Has anyone had any experience with this >> > procedure? Is this something I can do myself in the driveway or >> > should I approach my mechanic? >> > >> > Thanks, >> > >> > Ford > >