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ATF or powersteering fluid?

Hi,

I'd like to renew my power steering fluid in my S40 because it must have thinned out quite a bit now. I looked on VADIS and the program say that I must use ATF type F or G (PN 1161317) in the power steering system. For extremely cold temperature it is recommended to use another fluid which is PN 1161529. I went to my dealer to buy the ATF but he told me that PN 1161317 has been replaced by PN 1161529 (so the fluid for cold temperature which is a green stuff). I assume the green stuff is more fluid than ATF so do you think the steering will feel lighter? I'd like to stiffen the steering so is it the right oil or should I stick with a "thick" ATF? Will the thin green stuff provide the same protection to the steering rack even with high temperature in summer?????

Can anybody confirm if PN 1161317 is definitely replaced by PN 1162529 (Pentosin CH II S)?

Always many questions..............

Thanks







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