If you put check valves (or any device) in series, the pressure/vacuum loss will be additive. So, in this case, you will see less vacuum at the controls if you use two. However, the original poster should check his and the controls for leaking.
:-) Shane -----Original Message----- From: Dean Stillie [mailto:[EMAIL PROTECTED] Sent: Monday, September 13, 2004 8:04 AM To: Shane Thoms Subject: Re: SD> Heater Control Question There is just a one way valve at the brake booster. Some of the newer minivans had a small resevour built into this valve (93-95) When ever I'm in the wreckers I pick a few up no reason you can't use two of these in a row Dean Stillie 82 Rampage [EMAIL PROTECTED] 1.67 60' 91 Sundance [EMAIL PROTECTED] ----- Original Message ----- From: "Shane Thoms" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]>; <[EMAIL PROTECTED]> Sent: Sunday, September 12, 2004 10:59 PM Subject: RE: SD> Heater Control Question > Seems like a vacuum problem to me. DO our cars have a reservoir for > when in > boost? > Or maybe your controls have a leak?? > > Shane > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of edd > Sent: Sunday, September 12, 2004 8:41 PM > To: [EMAIL PROTECTED] > Subject: SD> Heater Control Question > > I vaguely remember seeing something on the list regarding this a while back. > My heater control setting change when the boost comes up. Defroster > will change to heater until I back off the gas and then things go back > to the way > the controls are sent. > > I haven't pulled the heater control panel yet to see what's behind it. > Before I do, anyone know what I should be looking for? > > Thanks, as always. > > -Ed Dreistadt > '85 LeBaron Konvertible > TII, auto > > -----------------------REMOVE-FOOTER-WHEN-REPLYING-------------------- > ---- -- > -- > Questions? Visit http://www.sdml.org/ > > To be removed, visit http://www.sdml.org/pages/leave.html > > -----------------------REMOVE-FOOTER-WHEN-REPLYING-------------------- > ---- ---- > Questions? Visit http://www.sdml.org/ > > To be removed, visit http://www.sdml.org/pages/leave.html -----------------------REMOVE-FOOTER-WHEN-REPLYING---------------------------- Questions? Visit http://www.sdml.org/ To be removed, visit http://www.sdml.org/pages/leave.html
