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Old 01-06-2009   #1
Aurora40
 
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Join Date: May 2005
Location: Leesburg, VA
Posts: 2,713
Default Bleeding master cylinder question...

So I guess I'm a dope. I installed my DRM bias spring. Then followed the directions to bleed all four calipers, which took dangerous brakes (full of air) to merely insanely soft.

But I should have read the FSM instead. Apparently if you suspect the master has air in it, there is a procedure to bleed it first.

However, I'd already bled the corners. Does that mean there may be air somewhere else in the system, like maybe in the ABS controller (pulled out of the m/c)? After bleeding the m/c tonight, I fired it up to feel the pedal with the booster. It's raining and at freezing so I don't want to drive it around, but the pedal feels more like normal, though not exactly firm.

The manual actually says you don't have to bleed the calipers after bleeding the m/c if the calipers don't have air in them. I was surprised by that, but am I ok at this point? Or should I bleed the calipers for good measure? Or may there now be air in the ABS unit, and if so what do I do about it? Suggestions? Thanks!
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