How to clean out the PS lines?

The Green GT

No 13 year olds are safe around me.
10 Year Member
Jan 8, 2006
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Louisiana
Ive had two pumps go bad on me, so I am gonna clean out the lines before I do anything. THe pump that is currently on is locked up, so I dont think I can do it with that one.
 
IIRC we call for Type F so that's what I would use. It has a higher coefficient of friction than Mercon.

If someone knows of a different factory recommended fluid, let me know.
 
I just used PS fluid last time. But only had to put like 1/2 a qt. Think I should just fill it up with type F this time?

And the last pump I got was full of red oil when I got it. Which I think is ATF.
 
Ok something else is has to be wrong. I just put the new pump on and I already had some PS fluid so I put some in since it was said you can use either. So I added some, the wont to start it up to see hoe much more I needed to add, and the damn thing is locked up again.

What the hell.