On Mon, 2 Jun 1997, Jim Maginel wrote:

>snip>

> Now what do I do?  Is there a procedure for replacing a broken bleeder
> screw?  Is is safe to drive as is?
> Unfortunately, the low pedal pressure remains...
> TIA for any sage advice,

maybe not sage, but its what I did when the same happened to me...

remove caliper and mount in vice. Use an "easy-out" or drill the whole 
bugger out. Flush/clean. Install new nipple.

Its a bear but its the only sure way.

alistair