Quote:
Originally Posted by 64GMCHorsepower
Did you brake bleed the new master? Do that first, then install the prop valve, then go to bleed the lines.....
It just takes a while....
Your master should have come with instructions on how to bench bleed it...
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I put a new master on my truck. Tiny little one bore replacement just like the factory used. I had to pump it over 100 times by hand to bleed all the air out of it. I didn't think I'd ever get done; I though something was wrong.
It came with a plastic plug to block the output while you bleed it. I've done others that came with a section of hose to loop back into the master cylinder reservoir. That type bled out allot faster than the blocking plug type.