From what I can tell, the CD says something about with the key on 12 volts to them. Will check that tomorow. That almost makes it sound like if they do not have 12 volts, then they are in the vent position.
Peter Frederick wrote: > They switch vacuum on and off just like a switchover valve, but they > have a filtered vent line to keep from sucking dust into the vac pump. > I'm not sure, but I do believe they have to hold vac -- at least check > the lines from the transducer to the servo to make sure it's not > leaking! > > Mine are dead (won't hold vac) so I have blocked the lines to the air > recirc and EGR valves on the 87 300D. > > Peter > > > _______________________________________ > http://www.okiebenz.com > For new parts see official list sponsor: http://www.buymbparts.com/ > For used parts email [EMAIL PROTECTED] > > To Unsubscribe or change delivery options go to: > http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com > -- Kaleb C. Striplin/Claremore, OK 94 E420, 92 300D, 92 250D Turbo, 92 300E 4Matic, 91 300D, 90 420SEL, 89 560SEL, 89 260E, 87 300SDL, 87 300TD, 85 380SE 5.0 Euro, 81 240D, 81 380SLC, 80 240D, 76 240D, 76 300D, 72 250C, 69 250 http://www.okiebenz.com _______________________________________ http://www.okiebenz.com For new parts see official list sponsor: http://www.buymbparts.com/ For used parts email [EMAIL PROTECTED] To Unsubscribe or change delivery options go to: http://okiebenz.com/mailman/listinfo/mercedes_okiebenz.com
