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How to Fix a Power Steering Assist Fault: Step-by-Step Guide

To reset power steering assist fault, turn off the engine and remove the key from the ignition for at least 15 seconds. Afterward, start the engine and check if the fault has been reset.

Power steering in modern-day cars relies on hydraulic or electric power assist systems. These systems work together to provide the driver with steering ease. However, as with any other electronic system, it’s prone to faults or malfunctions. A power steering assist fault can occur due to a range of reasons, from simple mechanical problems to more significant electrical issues.

Having your car serviced at a dealership or identifying the fault yourself is crucial to ensure your car is safe to drive. In this article, we’ll explore how to reset power steering assist fault in your car.

How to Fix a Power Steering Assist Fault: Step-by-Step Guide

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Understanding Power Steering Assist Fault

Power steering assist fault is a failure in the power steering system that results in loss of power steering assistance. The power steering system is an important component of any vehicle, and a power steering assist fault can result in the loss of control in a vehicle.

Definition Of Power Steering Assist Fault

A power steering assist fault refers to a system failure in the power steering system. It can occur due to various reasons, such as a fault in the electronic control module, malfunctioning of the electric motor, or low voltage in the car’s battery.

Symptoms Of Power Steering Assist Fault

Some of the common symptoms of power steering assist fault include:

  • Difficulty in steering
  • Grinding or squeaking noise when turning the steering wheel
  • Jerky or intermittent steering
  • Stiff steering wheel
  • Warning light on the dashboard

Causes Of Power Steering Assist Fault

A power steering assist fault occurs due to various reasons, such as:

  • Faulty electronic control module: The electronic control module controls the power steering system and can fail due to various reasons, such as a power surge or electrical interference.
  • Malfunctioning of the electric motor: The electric motor that powers the power steering system can malfunction due to various reasons, such as overheating or damage to the motor.
  • Low voltage in the car’s battery: If the battery voltage is low, the power steering system may not function properly, leading to a power steering assist fault.
  • Damaged power steering pump: The power steering pump is responsible for supplying the hydraulic pressure to the power steering system. If the pump is damaged, it can cause the power steering system to malfunction.

Power steering assist fault can result in a loss of control in a vehicle and can occur due to various reasons such as a faulty electronic control module, malfunctioning of the electric motor, low voltage in the car’s battery, or a damaged power steering pump.

If you notice any of the symptoms mentioned above, take your vehicle to a mechanic to diagnose the problem and prevent any safety hazards.

Diagnosing Power Steering Assist Fault

Power steering is an essential component of modern vehicles, offering drivers a comfortable and effortless driving experience. However, like any other vehicle component, power steering systems can sometimes malfunction, leading to power steering assist faults. Here is a guide to diagnosing power steering assist faults:

Checking Power Steering Fluid Level

Checking the power steering fluid level regularly is an essential step in maintaining the power steering system. These are the key points to keep in mind when checking the power steering fluid level:

  • Locate the power steering fluid reservoir under the hood of the vehicle.
  • Check the fluid level and ensure it signifies between the minimum and maximum levels.
  • If the power steering fluid level is low, add the manufacturer’s recommended fluid.

Checking Power Steering Pump Belt Tension

To ensure the power steering pump functions efficiently, check the pump belt tension regularly. Here are the key points to keep in mind when checking the tension:

  • Locate the power steering pump pulley under the hood of the vehicle.
  • Check the tension by pushing down on the belt with moderate pressure using your hand.
  • If the belt has less than half an inch of deflection, it is tight enough.
  • If not, use a belt tension gauge to measure the belt tension, as specified in the vehicle’s manual.
  • Adjust the tension if necessary.

Inspecting Hoses And Connections

Inspecting the power steering pump hoses and connections for damages is a crucial part of diagnosing power steering assist faults. These are a few points to keep in mind while inspecting:

  • Inspect the hoses and connections for any cracks, leaks, or damages.
  • Ensure all the connections are tight and secure.
  • Replace damaged hoses promptly to avoid further damage to the power steering system.

Testing Power Steering Pump Pressure

Testing the power steering pump pressure is a critical step in diagnosing power steering assist faults. These are a few things to keep in mind while testing the pressure:

  • Use a power steering pressure gauge to test the pump pressure.
  • Start the engine and turn the steering wheel to the left and right a few times to let the system circulate oil.
  • Attach the pressure gauge to the power steering system and read the gauge to determine the system’s pressure.
  • If the system shows low pressure, inspect the power steering pump and replace it if necessary.

By following these simple steps, you can diagnose power steering assist faults before they lead to significant damage. Always consult a qualified mechanic to handle significant repairs.


Fixing Power Steering Assist Fault

Experiencing power steering assist fault can be frustrating and scary at the same time. The good news is that you don’t need to panic or spend a huge sum of money to fix it. Here are a few things you could do:

Replacing Power Steering Pump

A power steering pump is a mechanical component that facilitates the movement of power steering fluid in the power steering system. These are the key points to note when replacing a power steering pump:

  • Ensure that you choose the correct replacement pump for your car model.
  • Drain all power steering fluid from the reservoir, and remove the drive belt.
  • Unbolt the old pump from the bracket, and replace it with the new one.
  • Attach the drive belt and refill the reservoir with new power steering fluid.

Replacing Power Steering Rack

Power steering racks are responsible for regulating the movement of power steering fluid control valves. When it is faulty, then it needs to be replaced. These are the steps to follow when replacing a power steering rack:

  • Get a replacement power steering rack that fits your car model.
  • Loosen the lug nuts on the wheels and lift the front of the car with a jack, then support it with jack stands.
  • Drain the power steering fluid from the reservoir and disconnect the pressure and return lines from the rack.
  • Remove the old rack from the car and install the new one, ensuring that it is bolted and aligned correctly.
  • Connect the pressure and return lines, refill the reservoir with new power steering fluid, and perform a test drive.

Repairing Power Steering Hose

A power steering hose is a vital component in transporting power steering fluids between the power steering pump and the steering gear. Here are the steps to take when repairing a power steering hose:

  • Start by locating the faulty hose and examining the extent of damage.
  • Purchase a replacement hose that fits your car model and place it near the faulty hose.
  • Loosen the clamps holding the faulty hose in place and remove it.
  • Install the replacement hose and tighten the clamps securely.
  • Refill the power steering fluid reservoir and perform a test drive.

Flushing Power Steering Fluid

Power steering fluid can become contaminated over time, causing damage to the power steering system’s components. Here are the key points to note when flushing power steering fluid:

  • Locate the power steering fluid reservoir and disconnect the supply and return lines.
  • Use a fluid pump and a drain pan to remove all the old fluid from the reservoir.
  • Connect the supply line to a container containing a new power steering fluid and turn on the car engine.
  • Let the engine idle and continue adding new fluid to the reservoir until clear, fresh fluid flows out of the return line.
  • Reconnect the supply and return lines, and refill the power steering fluid reservoir with new fluid.

Fixing power steering assist fault is essential for road safety and ensuring that your car runs smoothly. Follow these tips to diagnose and solve the problem promptly.

Tools Required For Fixing Power Steering Assist Fault

Power steering is a crucial component of your vehicle, allowing for effortless steering of the wheels. A power steering assist fault can occur for various reasons, such as a defective power steering pump or a leak in the system. It’s essential to know the tools required for fixing power steering assist faults to be able to troubleshoot and repair the issue.

In this blog post, we’ll cover the essential tools needed for resetting power steering assist faults.

Power Steering Pulley Remover

A power steering pulley remover is a tool used to remove the power steering pulley from the pump shaft. The key points to keep in mind while using the power steering pulley remover are:

  • Position the remover on the pulley and tighten it until the pulley comes off.
  • Check to see if the remover has damaged any part of the pulley; if it has, it must be replaced before proceeding.
  • Always wear safety glasses and gloves while using this tool.

Power Steering Pressure Gauge

A power steering pressure gauge is an essential tool for diagnosing problems with the power steering system. It reads the system’s pressure and provides valuable diagnostic information. The key points to keep in mind while using the power steering pressure gauge are:

  • Connect the pressure gauge to the power steering system using the manufacturer’s recommended procedures.
  • Start the engine and turn the steering to the lock position, noting the pressure reading.
  • Compare the readings with the manufacturer’s specifications to diagnose the problem accurately.

Power Steering Fluid Suction Gun

A power steering fluid suction gun is used to remove the power steering fluid from the power steering system. It’s essential to replace the fluid after servicing the system to maintain its performance. The key points to keep in mind while using the power steering fluid suction gun are:

  • Follow the manufacturer’s recommended procedures for using the suction gun.
  • Insert the suction gun’s tube into the power steering reservoir and start pumping out the fluid.
  • Never reuse the old power steering fluid as it can contain contaminants that can damage the system.

Power Steering Pump Pulley Installer

A power steering pump pulley installer is used to install a new power steering pulley after removing the old one. The key points to keep in mind while using the power steering pump pulley installer are:

  • Lubricate the power steering pump shaft with a light coat of oil before installing the new pulley.
  • Align the pulley with the pump shaft and use the installer to press the pulley onto the shaft until it’s seated correctly.
  • Check to see if the pulley is properly installed by checking the distance between the pulley and the pump.

Power steering assist faults can be challenging to diagnose and repair without the right tools. This blog post covered the essential tools required for fixing power steering assist faults, including the power steering pulley remover, power steering pressure gauge, power steering fluid suction gun, and power steering pump pulley installer.

With this knowledge, you’ll be equipped to troubleshoot and repair any power steering issue your vehicle may have.

Precautions To Take While Fixing Power Steering Assist Fault

Fixing power steering assist faults can be complicated and requires attention to details. One mistake can lead to disastrous results. For this reason, it’s imperative to take some precautions to prevent mishaps. Here are some general precautions to take:

Disconnecting The Battery

Before beginning any repair on the power steering, disconnect the battery. This is crucial to protect yourself from electrocution and avoid any electrical mishaps. Make sure that the battery is properly secured away from the workplace and all terminals are disconnected.

Wearing Safety Goggles

Working on vehicles can produce debris, dust, and sharp fragments. These can cause severe eye injuries if they get into the eyes. Therefore, it’s highly recommended that technicians wear safety goggles while fixing power steering assist faults.

Positioning Of Vehicle

Position the vehicle on a flat surface, preferably on a hoist or jack stands. Vehicles positioned on an inclined surface can affect the accuracy of the power steering pressure test results. Ensure that the engine compartment is well lit and that you have enough clearance to maneuver around it.

Proper Disposal Of Used Power Steering Fluid

During the process of fixing power steering assist faults, the need arises to replace the power steering fluid. It’s imperative to ensure proper disposal of used fluids according to environmental guidelines. Used power steering fluid contains contaminants that could pose serious environmental and health hazards if not handled correctly.

Contact local authorities or a recycling company for proper disposal.

Remember, the above-listed precautions are general, and additional precautions may be required depending on the type of power steering system, the vehicle type, and the level of damage. Following the right precautions is critical to ensure safety and achieve satisfactory results.

Frequently Asked Questions On How To Reset Power Steering Assist Fault

How Do I Know If My Power Steering Assist Is Faulty?

Possible answer: your power steering system can fail if there’s an issue with the power steering pump or the electric power steering unit. Some common signs of a faulty power steering assist mechanism include difficulty in turning your car, whining or squealing noises from the engine, unusual vibrations, or a warning light on the dashboard.

It’s advisable to get your vehicle inspected by a professional mechanic to diagnose the problem.

Can I Reset A Power Steering Assist Fault By Myself?

Possible answer: yes, resetting a power steering assist fault is possible in some cases, but it may not always work. To reset the system, turn off the engine, remove the key from the ignition, and let it sit for 30 seconds.

Start the car and turn the wheel to the far left and then to the far right, back to the center. If the light goes off, the fault has been cleared. If it doesn’t, you may need to consult a mechanic.

How Much Does It Cost To Repair A Power Steering Assist Fault?

Possible answer: the cost of repairing a power steering assist fault can vary depending on the extent of the damage. It could be caused by a faulty power steering pump, a damaged power steering rack, or worn-out components. The cost could range from $200 to $1,000 or more depending on the make and model of your car, the type of repair needed, and the local labor rates.

How Often Should I Inspect My Power Steering System?

Possible answer: it’s advisable to have your power steering system inspected regularly, especially if you notice any issues with steering or hear any unusual noises. You should also get it checked during your routine maintenance service intervals or every 50,000 miles.

A professional mechanic can check the power steering fluid level, inspect the hoses, belts, and seals, and perform any necessary repairs or replacements.

Can A Faulty Power Steering System Lead To Accidents?

Possible answer: yes, a faulty power steering system can lead to accidents, especially if you’re driving at high speeds or in heavy traffic. If the power steering fails, you might lose control of the steering wheel, and the car could veer off the road or collide with other vehicles.

It’s essential to get your power steering system inspected and repaired promptly to ensure your safety and avoid potential accidents.

Conclusion

Thus, resetting the power steering assist fault is a simple and easy fix that requires minimal effort and cost. The process varies depending on the type of vehicle and the specific issue, but generally involves disconnecting the battery or using a specific reset tool.

It’s essential to remember that power steering assist is crucial for driving and, therefore, any fault should be taken seriously. Regular maintenance and checks can help prevent such faults from occurring, but if they do, don’t panic, follow these simple steps, and you’ll be back to smooth steering in no time.

Ignoring power steering assist faults can cause more severe damage to your car, so don’t hesitate to consult a professional mechanic if the issue persists. By taking the necessary steps and resetting the system when needed, you can ensure that your car runs smoothly and safely for years to come.

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