Fresh and clean power steering fluid should appear green, red, or clear.
What Is Power Steering Fluid?
Power steering fluid is a lubricating fluid responsible for supporting the power transmission to the steering system, which enables drivers to control the steering wheel smoothly.
Typically, this fluid is stored in either a metal or plastic container. It will be located nearby the power steering pulley.
There are a few main functions of this fluid, including the lubrication of moving parts in the steering system and preventing corrosion. Power steering fluid can reduce the noise caused by the friction of parts while the car is in motion. Its main purpose is to make the wheel rotation smoother, overall.
What Color Is Power Steering Fluid?
These days, there is no universal color for power steering fluid. The color is simply a dye added by the manufacturer to make it easier to identify.
The good news is the color of the fluid can actually tell drivers a lot about the steering system’s health. Fresh power steering fluid should appear green, red, clear, and pink in color.
Let’s take a look at the different colors of fresh power steering fluid.
Red
Red power steering fluid is designed to be used with all automatic transmission fluids. It provides top-notch lubrication and wear protection. However, it is not suitable for central hydraulic fluid systems.
Clear
Clear fluid is very common, ultimately designed for that purpose.
Green
This hydraulic fluid works quite well for hydraulic suspension, power steering, and suspension level control. Oftentimes, it is utilized by Mercedes, VW, and BMW. This is a high-performance synthetic fluid that should never be mixed with any other types.
Pinkish-Red
This coloring can indicate it’s a variation of ATF or a specific synthetic fluid.
What Does Bad Power Steering Fluid Look Like?
Power steering fluid that appears dirty, dark, or features a burning smell often means there is a problem.
Below is what bad steering fluid typically looks like.
Foamy
If you notice any bubbles or foam, this means there is air in the system. Check the area surrounding the fluid for any damaged piping, loose hose clips, or leaking seals on the pump body.
Black
The fluid is either old, contaminated, or degraded any time it appears dark brown or black. Now is the time to change this fluid as it has lost its ability to lubricate and protect the system.
Milky
When water has ultimately made its way into the power steering, the fluid will appear milky.
When To Change Your Power Steering Fluid
You will need to change this fluid periodically to avoid losing its optimal performance. The change timing depends on the type of fluid and the amount that’s currently in the system.
Most drivers should change their power steering fluid every 2-4 years or 30,000-50,000 miles.
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