What to know
- Power steering fluid, on the other hand, is a hydraulic fluid used in power steering systems.
- In extreme cases, using brake fluid in the power steering system can result in steering failure, compromising vehicle safety.
- Using brake fluid in the power steering system can damage the components, leading to steering failure and voiding the vehicle’s warranty.
As a responsible car owner, maintaining your vehicle’s optimal performance is crucial. When it comes to steering, the power steering system plays a vital role in ensuring smooth and effortless control of your car. However, questions often arise about the compatibility of various fluids in the steering system. One common query is whether brake fluid can be used as a substitute for power steering fluid. This blog post aims to delve into the intricacies of this topic and provide a comprehensive answer to the question: “Does brake fluid work for power steering?”
Understanding Brake Fluid and Power Steering Fluid
Before exploring their compatibility, it’s essential to understand the distinct roles of brake fluid and power steering fluid.
Brake Fluid: Brake fluid is a hydraulic fluid specifically designed for braking systems. It transfers force from the brake pedal to the brake calipers, causing the brake pads to press against the rotors or drums, ultimately slowing down or stopping the vehicle.
Power Steering Fluid: Power steering fluid, on the other hand, is a hydraulic fluid used in power steering systems. It assists in turning the steering wheel by reducing the effort required to maneuver the vehicle. It lubricates the steering components and transmits hydraulic pressure to the power steering pump and rack.
Compatibility Issues
Now, let’s address the crucial question: does brake fluid work for power steering? The answer is a resounding NO. Brake fluid and power steering fluid are not interchangeable and should not be mixed or used as substitutes.
Reasons for Incompatibility:
- Different Chemical Compositions: Brake fluid and power steering fluid have different chemical compositions and additives. Brake fluid is typically glycol-based, while power steering fluid is mineral oil-based. Mixing these fluids can lead to chemical reactions and damage to the steering system components.
- Incompatible Properties: Brake fluid has a higher boiling point than power steering fluid. Using brake fluid in the power steering system can cause overheating and premature failure of the components. Additionally, brake fluid is corrosive to rubber seals and hoses used in the power steering system.
- Safety Hazards: Mixing brake fluid and power steering fluid can create a hazardous situation. Brake fluid can cause skin and eye irritation, and if ingested, it can be toxic.
Consequences of Using Brake Fluid in Power Steering
Using brake fluid in the power steering system can have severe consequences:
- Component Damage: Brake fluid can damage the power steering pump, rack, hoses, and seals, leading to costly repairs.
- Steering Failure: In extreme cases, using brake fluid in the power steering system can result in steering failure, compromising vehicle safety.
- Warranty Voidance: Using brake fluid in the power steering system may void the vehicle’s warranty.
Proper Fluid Maintenance
To ensure optimal performance and longevity of your power steering system, it’s crucial to use the recommended power steering fluid specified by the vehicle manufacturer. Regular fluid changes and inspections are essential to maintain the fluid’s integrity and prevent contamination.
Fluid Compatibility Table
For clarity, here’s a table summarizing the compatibility of brake fluid and power steering fluid:
| Fluid Type | Power Steering | Brake System |
| — | — | — |
| Brake Fluid | NO | YES |
| Power Steering Fluid | YES | NO |
Summary: Safety First
Using brake fluid in the power steering system is a dangerous practice that can lead to severe consequences. It’s imperative to use the recommended power steering fluid to ensure the proper functioning and safety of your vehicle. Regular fluid maintenance and inspections are essential to maintain optimal steering performance.
Questions You May Have
1. What happens if you put brake fluid in the power steering?
Using brake fluid in the power steering system can damage the components, leading to steering failure and voiding the vehicle’s warranty.
2. Can I mix brake fluid and power steering fluid?
No, brake fluid and power steering fluid should not be mixed or used as substitutes. They have different chemical compositions and properties that make them incompatible.
3. What type of fluid does a power steering system use?
Power steering systems use hydraulic fluid specifically designed for their operation. Refer to the vehicle manufacturer‘s specifications for the recommended type of power steering fluid.
4. How often should I change my power steering fluid?
Power steering fluid change intervals vary depending on the vehicle. Consult your owner’s manual for specific recommendations.
5. What are the signs of low power steering fluid?
Signs of low power steering fluid include difficulty in turning the steering wheel, whining or squealing noises, and leaks.