Are there really different procedures for different part #s? Just jack up the front, open the bleed screw on the box, attach a clear hose, run engine and bleed fluid into a container while adding new until it's clear (moving the steering right and left all the way and making sure the reservoir doesn't empty). Then put the end of the tube into the reservoir and just keep recycling the clean fluid while moving the steering until there are no bubbles.

My power steering was wonky until I did this. There was alot of gunky fluid and air that came out when the steering went all the way left and right. Runs perfect now.

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1981 300TD 310k miles
1970 280sel 172k miles
1966 230 Fintail 162k miles

"Where are we going? And why am I in this hand basket?"