Quote:
Originally Posted by The Gears
I am not sure if the pump on the Volvo is an auxiliary vacuum or the only source of vacuum for the brake booster. Just starting to research this.
Trying to get more info like how are the vanes lubricated, a question Diesel911 asked. I am going to drop by a Volvo dealer and see what I can find out.
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If it Electric you don't have to worry about lubrication.
In the Below Thread there is a link to another type of Electric Vacuum Pump made bye Peirburg.
Electric Vacuum/Brake Booster Pump Tested