I recently drained the power steering fluid from my Prelude by pulling off the hose off the tank (holds the ps fluids) and then refilled the PS fluid back up to max. My questions is do I have to bleed the system and if I do ... how do I do it?

 

it will bleed itself....you dont have to do anything...the bubbles...if any...will rise to the top of the reservoir and then it will be fine..., but you realize that changing the fluid by draining the radiator barely changes anything....i have never changed it the real way but i would imagine theres a drain on the rack somewhere....back to the point...just fill it up and your ok

 

how often r u supposed to change the fluid? Is it based on miles or time?

 

good question... i havent changed mine is a long long time

 

You don't have to bleed it.

I change mine about every 20k miles or once a year.
I'm not positive on what the Helms says on it though.

 

When it's new it's nice and pink, so look at the colour of it and make a judgement call.

The best way to replace it is to pour in some automatic transmission flush, turn your wheel full lock to full lock 10 times, then use a machine to suck out the fluid from the bottom of the reservoir while adding the new fluid to the top.
This way gets most of the old stuff out.