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Hello-

I have a rather strange situation to ask about; I recently acquired my 1984 300ZX Turbo, and when I bought it (for only $850, got a sweet deal), the brakes were hardly responding at all (grinding noises made it seem like the pads needed replacement). So I picked up some new brake pads for front and rear (both disc), and some high-quality brake fluid, and proceeded to change out the old pads for the new. This being my first brake job, I enlisted the help of my roommate, who has done this many times, and jacked up the rear driver's side wheel first, changed the pads, cleaned/re-greased some of the moving parts, and then attempted to bleed the brake fluid by unscrewing the bleed valve. However, when I went to pump the brake pedal and let the fluid drain, only a few drops came out. We tried the pump, hold, release method, and several other variations of pedal pressure, but nothing seemed to get any fluid out. Puzzled, I checked the level of brake fluid under the hood and it was all the way to the fill line. So, it doesn't appear to be a leak in the brake fluid, or the level would be lower. I suspect there is a clog somewhere, or that I need a new part of some sort. Does anyone have an idea of what might cause this, or what might solve it? New master or slave cylinder? Any ideas greatly appreciated. Thanks,



Post Edited (Apr 29, 1:45pm)
 

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Could be the master cylinder has lost prime...someone let it go dry...they have to be bench bled. I'd either start with a rebuilt MC or try the vac gauge bleeding method from the wheels.
 
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