When to Change Power Steering Oil? Here Are the Signs It's Time to Replace It
A steering system that feels light and responsive doesn't happen by chance. There are important components working behind it, one of which is power steering fluid. Unfortunately, many car owners still neglect the maintenance of this component because they focus only on engine oil.
In fact, regularly replacing power steering fluid is very important to keep the steering system's performance optimal. If replaced too late, the steering can feel heavy, a humming noise may appear, and it can even risk damaging the power steering pump.
So, when is the right time to replace power steering fluid? Here is a complete explanation.
What is Power Steering Fluid and Its Function?
Power steering fluid is a hydraulic fluid that helps the steering system so that the steering wheel feels lighter when turned. This fluid works by providing pressure to the hydraulic system so that the driver does not need to exert much effort, especially when parking or maneuvering at low speeds. Power steering fluid has various viscosity types so this needs to be consulted at the workshop where you check it.
In modern cars, the power steering system generally consists of:
- Power steering pump
- Reservoir (oil tank)
- High and low pressure hoses
- Steering rack
If the oil in this system is dirty or low, steering performance can drastically decrease.
When Should You Replace Power Steering Fluid?
In general, it is recommended to replace power steering fluid every 40,000–80,000 km, depending on the type of vehicle and manufacturer recommendations. Some car brands like Daihatsu usually list the replacement interval in the vehicle's service book.
However, besides the kilometer benchmark, there are certain signs that indicate it is time to replace the power steering fluid.
Signs That Power Steering Fluid Needs to Be Replaced
Here are some common signs you should be aware of:
1. Steering Feels Heavier
If the steering feels heavier than usual, especially when parking or making a U-turn, it could be that the power steering fluid has degraded in quality or its volume has decreased.
2. Humming Noise When Steering is Turned
A humming or whining sound from the engine area when the steering is turned is an indication that the hydraulic pressure is not working optimally. The cause could be dirty or too thin oil.
3. Oil Color Turns Black
Good power steering fluid is usually red or somewhat clear (depending on the type). If it changes to dark brown or black, that is a sign that the oil has been contaminated and needs to be replaced immediately.
4. Smell of Burning
A burning smell can occur if the oil overheats. This condition should not be ignored as it can potentially damage the power steering pump.
5. Leakage Occurs
If you find oil stains under the car, check the power steering system immediately. A lack of fluid can cause the system to wear out quickly.
Risks of Delaying Power Steering Fluid Replacement
Delaying the replacement of power steering fluid can have serious consequences, including:
- Damage to the power steering pump
- Higher repair costs
- Unstable steering
- Increased risk of accidents
If it looks dirty or the volume has drastically decreased, it is best to replace it immediately.
Safe Tips When Replacing Power Steering Fluid
To achieve optimal results, pay attention to the following:
- Use oil according to manufacturer specifications to ensure the viscosity is appropriate.
- Do not mix different types of oil
- Perform flushing if the oil is very dirty
- Also check the condition of the hoses and pump
For maximum results, it is recommended to perform the replacement at a trusted workshop to ensure the system is completely clean from residue.
Conclusion
Replacing power steering fluid is not a maintenance task that can be ignored. Although it is not as frequent as changing engine oil, this component still plays a vital role in driving comfort and safety.
Ideally, replacement should be done every 40,000–80,000 km or when signs such as heavy steering, humming noises, and color changes in the oil appear. With regular maintenance, the steering system will remain responsive, components will last longer, and major repair costs can be avoided.
Read Also: 5 Recommendations for the Best Power Steering Oil for Cars in 2024, Take Note!
Remember, a light steering wheel is not just about comfort, but also about control and safety on the road. So, do not delay if it is time to replace your car's power steering fluid.