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Bob Engelhardt

On 3/17/2015 11:05 PM, wrote:
....
Actually there is no commonly used method of bleeding brakes where
leakage past the bleeder screw threads CAN cause a problem,
... The only way I can see it
being an issue is if you attempted to draw the fluid into the system
through the bleeder screws by applying a vacuum to the top of the
master - which would be a REALLY stupid way to attempt to bleed a
brake system on so many counts.

Which is actually what started this:
On 3/16/2015 8:54 PM, Jim Wilkins wrote: Next question:
How do you seal the air leak along the bleeder threads when vacuum
bleeding? I didn't want to squirt on something incompatible that might
get back into the cylinder.