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SignUp Now!why? the accumulator is filled with brake fluid and the pressure is made by the pump. what would nitrogen have to do with anything?RareT said:Psssssssst......is it possible that the accumulator can be re-charged with Nitrogen?
LV GN said:why? the accumulator is filled with brake fluid and the pressure is made by the pump. what would nitrogen have to do with anything?
RareT said:Another question...has anyone opened an accumulator? What's inside? I'm not trying to be a smart-ass, I just want to know, and I'm sure others do as well.
Let's start with the simple stuff. What is inside the accumulator and what fails in one to where it no longer functions correctly?
Both those accumulators are long since gone from the factory. Been discontinued for some time. There was another post about a company making a power master type system for a 57 cheby. I noticed that system uses a Teves accumulator ball and a Teves ABS pressure switch. Since the pressure switch shuts down at 2500psi and turns on at 2000psi, that equates to somewhere around 10-12 pedal pushes if the system (was charged and)were without (electrical) power. A whole lot more than the 2 or 3 you get out of PMfontana said:Looks like someone has already recharged the accumulator....
http://www.turbobuicks.com/forums/showthread.php?t=21373
Wayne
gofstbuick said:The accumulator has a diaphram separating 2 halves. The back half is charged with nitrogen (200-300psi). When the key is turned on or pressure drops below the pressure switch set point, the the PM motor pumps (to approx 735psi). The pressure created by the motor act on the diaphram. When you press on the brake pedal, the presurized diaphram reacts and pushes with the power piston for added brake assist. I would suggest NOT trying to open an accumulator up. You don't know the condition of the diaphram and if there is still pressure on the one side, it could blow up like a bomb in your face .
fontana said:Looks like someone has already recharged the accumulator....
http://www.turbobuicks.com/forums/showthread.php?t=21373
Wayne