Unraveling the Enigma Power Steering Fluid Color and its Diagnostic Significance

I just finished replacing some of my power steering fluid, which was very dark red. I replaced it with Valvoline Maxlife, which was a gold ... The fluid is a gray color. I am wondering if that is because it has mixed with the original factory fluid that was still in the system. Its going to be normal for the color to go from a golden color to a brown color, you can go by color checking it or go by smell. Like brake fluid, power steering fluid should only need a small amount of fluid occasionally to "top off" the system. If more than just an ounce ... When I had mine flushed the new color was red like ATF. Prior to that it looked just like you described-brown and muddy. Later ... red, it is transmission fluid. Aug 6, 2004 | 03:06 PM. How to check power steering fluid · Turn off the engine. · Wipe the power steering reservoir and cap clean with a cloth. · Check the dipstick ... It's important to check your power steering fluid on a regular basis, because a change in its color could indicate major issues in the future. My Audi dealer tells me the correct fluid for my 2006 A4 is P/N G004 000 M2. They tell me it is a synthetic and green in color. Power steering fluid is either pink, red or clear. Over time it can become contaminated with dirt and debris, turning it a dark brown or black colour.