Last Updated on March 14, 2023 by Henry T. Hawkins. Yes, it is possible to mix old and new power steering fluid. In fact, it may even be beneficial to do so! Combining the two fluid types can help maintain your car’s optimal power steering fluid levels. However, only mix fluids if your vehicle has a lower-than-normal power steering fluid. Dexron® III transmission fluid is used in Lexus power-steering systems, except for electric power-steering systems. Sep 24, 2022 27 posts · Joined 2010. #1 · Mar 23, 2011. My wife has a 2009 AWD Traverse, and when we first got it the power steering whined slightly, and I had it back to the dealership to be checked to be bled (air), as our 2010 had a severa air+ps problem. Well, I rarely drive it, but we took it to Florida last week on vacation and it drove me NUTS. The wheel may stiffen up if there is not enough hydraulic fluid within, which is a sign of a leak. Even turning it a few degrees to the left or right would require a lot of work. The power steering cannot pressurize sufficiently since there aren’t enough liquids to convey hydraulic pressure. 2. Here is a picture of the before and after, with the old fluid being 16yrs old (with 90,000mi on it) The steering is noticeably smoother and since I was able to do the job myself, it only cost me around $10 (Honda would've charged $150). Just wanted to let you guys know since it's an easy way to improve the experience of your car. A failing power steering pump may produce squealing, whining, or groaning sounds when you steer. These noises can be alarming and may indicate that the pump is not working as it should. It’s important to have this issue addressed promptly to prevent further damage to the power steering system. 5wK3F.

old power steering fluid symptoms