It's a 2 stage Gast pump that is sealed and you do not change the oil. To my knowledge, there is no bleeder screw. I checked the vacuum of the pump with 2 different MV gauges and an independent gauge. It might just be tired/worn out and in need of a rebuild.
Luther Jim Cathey wrote: >> For some stupid reason unknown to me, my pump will not go past 26"hg >> even when just pumping to the MityVac gauge. GRRR. >> > > Is it a proper 2-stage vane pump? Ever changed the oil? > Does it make that hollow rattling sound it's supposed to? > Do you have a bleeder screw on the pump that's stuck or > been left open? Is your MV gauge all right? > > -- Jim > _______________________________________ 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
