# Without a source of constant vacuum -->

Posted by John vdP (93 SE) on July 13, 2003 at 19:36:50: In Reply to: When bleeding with a Mityvac... posted by RosenKen on July 13, 2003 at 17:08:23: You'll have to keep pumping as the vacuum equalizes as the fluid enters. Think of it as the reverse of of the hoseless air containers. After one or tire. there is no oompf left. Using a mighty vac just keep pumping until no more air bubbles come out with the fluid. I bought the metal one but was not too impressed. Air can enter between the thread of the bleeder nipple, giving a confusing reading (unless you seal those threads). The small container interrupts a good running bleed operation too often. To avoid (or minimize) air entering between the threads, make sure your hoses seal well, and use low vacuum to draw the air bubbles out. John Replys:

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: : You'll have to keep pumping as the vacuum equalizes as the fluid enters. Think of it as the reverse of of the hoseless air containers. After one or tire. there is no oompf left. : Using a mighty vac just keep pumping until no more air bubbles come out with the fluid. : I bought the metal one but was not too impressed. Air can enter between the thread of the bleeder nipple, giving a confusing reading (unless you seal those threads). The small container interrupts a good running bleed operation too often. : To avoid (or minimize) air entering between the threads, make sure your hoses seal well, and use low vacuum to draw the air bubbles out. : John