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Power Steering Fluid

7.6K views 10 replies 7 participants last post by  freedomfries  
#1 ·
All I wanted to do was top off my power steering fluid.
Manual says ATF. I have gone down the rabbit hole trying to find an answer. Most posts are old and seem to say that the ATF note in the owner's manual is wrong.
God only knows what is my system right now. I know the prior owner, who didn't have it long, put in gas station antifreeze. That is slated for replacement.
The right thing to do is flush the system and fill with CHF-11S but at about $25 a pint that can get a little expensive.

What is everyone running in their system?
 
#3 ·
I did a flush last year on my old XC70 and used the OEM stuff:

The difference in color was pretty drastic! Brought my steering back to life too. However, while I used the "Volvo" stuff, that Pentosin CHF stuff Fred mentioned above might have actually been the factory fluid for your year. Reviews show nothing but good reports, so I'm sure it'd be more than fine. Heck, they might actually even be the same stuff. I dunno. Only $5 difference per liter. Sure you can't go wrong either way:
 
#7 ·
I did a full flush and fill like in Volvosweden's YT tutorial. Pretty impressive how it comes out clearer and clearer each time til it's perfect. That said, I wonder how good it would be to do what I read one guy say in the comment section; that at each oil change, he'd simply suck out everything from the reservoir and re-fill, so after about each 50K or so (so like doing that 10 times), you'd effectively have replaced all your fluid over time. Seems it would continually keep it sorta clean too.
 
#9 ·
I have been using 5w-40 LiquiMoly but my store is discontinuing LiquiMoly to switch to Quartz so when the 5w-30 went to half price I bought 5 5L bottles. I'm good for a while. Waiting for the 5w-40 to drop.
That is for my BMW, I'm switching to 10w-30 in my Volvos. I had an issue on a cross country trip through the mountains that I think comes from not using the 10w-30 Volvo recommends for mountains.
 
#11 ·
My V70 came with mystery mix of CHF and ATF so I flushed it with CHF following VolvoSweden's video. I ended up using a 1.3L mix of old CHF 11S and the current CHF 202: Costcomobile now Baby Hauler

As for oil, skip the headache and just run any viscosity that meets BMW LL01, MB-229.3/299.5 or VW 502/505. No need for anything fancy - I happily run Pennzoil Euro LX 0w30 in both my V70, E90 and W204.