noisy power steering

[mineralblue]

Gents,
I have had a squeaky power steering belt for a little while now when on full lock, however this has now turned into noisy pas all the time, although it does fade a little once the car has been running a while. Fluid level ever so slightly low with maybe signs of a slight leak, but we are talking slight. Fluid is old, would changing it cure it or would it be best putting a new pump on while I am at it?
Thanks in advance

[Captain_Birdseye]

I'm hoping changing it will help as I've got a similar problem but the PAS fluid is well old.

[Brianmoooore]

Changing the fluid may cure the problem, but if it has been left too long and is in really bad condition, the damage to the pump, and even the rack, may already be done.
You'll have to drain and fill the steering system at least three times to get all the old fluid out.

[mineralblue]

Thank you sir. I will be addressing all 3 then.