If your car has recirculating balll steering I think you can drive it pretty safely with the pump not working. If it has the rack and pinion I suspect it will be too hard to steer to drive safely that way.

I would think you would bleed it with the motor running.

Tom W

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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.[SIGPIC]

..I also have a 427 Cobra replica with an aluminum chassis.