Originally Posted by bapd77
I have a 2005 C6 and I was wondering if you could use Pennzoil Power Steering Fluid in it. It was the only thing available at the local store and I need to fill it up. The reservoir is somewhat low! Thanks.
When I went to wet my new and dry power steering hydraulic system in my 68, I went to the local auto parts store. All of the power steering fluids available proudly advertised that they had additives that prevented leaks. To me, this meant that they were formulating their PS fluids to be used in DD beaters. From my C3 forum readings, Jim O'Shea, a retired Saginaw engineer, who was involved with PS developments for the C3's had compelling reasons to not use anything but GM PS fluid. From his writings, it was evident GM spent a lot of money and used a lot of expert input to develop their PS fluid. I'd guess this is true for today's C6's. I'd recommend getting GM power steering fluid from the local dealer.
Once again....if the auto parts store PS fluid advertises that it has anti-leak additives.......run (in my opinion).