Power steering pump

[Yoyocafe]

I was working on my A/C compressor and while the belt was off I turned the power steering pump pulley. Is it supposed to be hard to turn? It seemed like I was going to use a lot of engine's power just turning the pump.

Yoyo

 

[chrwilkins30]

It seemed like I was going to use a lot of engine's power just turning the pump.

That's because it does.