Power Steering Problems: Signs, Causes, and Repair Costs
Car Owl
Published in English •
Summary
- Heavy steering is the main warning sign: If your steering suddenly feels stiff, something is wrong.
- Repairs cost £100-£800: From a fluid top-up to a full pump replacement.
- Do not ignore it: Driving with failed power steering is dangerous. Check our servicing guide to stay on top of maintenance.
Power steering lets you turn the wheel with one finger. Without it, parking would be a workout. Here is what can go wrong and what to do about it.
Signs of Power Steering Problems
- Heavy or stiff steering: The most obvious sign. Turning takes more effort than normal.
- Whining or groaning noise: Especially when turning. Often caused by low fluid or a failing pump.
- Steering wheel vibration: Can indicate a problem with the rack or pump.
- Fluid leak under the car: Power steering fluid is usually red or brown. A puddle means a leak.
- Warning light on the dashboard: Electric power steering systems have a dedicated warning light.
Types of Power Steering
| Type | How It Works | Common On |
|---|---|---|
| Hydraulic | Uses fluid pressure from a pump driven by the engine | Older cars, larger vehicles |
| Electric (EPS) | Uses an electric motor to assist steering | Most modern cars |
| Electro-hydraulic | Electric pump provides hydraulic pressure | Some mid-2000s cars |
Common Causes of Power Steering Failure
- Low fluid (hydraulic systems): The most common cause. Often due to a leak in a hose or seal.
- Faulty pump: The pump wears over time. A whining noise is the first sign.
- Broken belt: On hydraulic systems, the pump is driven by a belt. If it snaps, steering fails.
- Electric motor failure: On EPS systems, the motor or control module can fail.
- Steering rack wear: The rack and pinion can wear out after years of use.
Repair Costs in the UK
| Repair | Typical Cost |
|---|---|
| Fluid top-up | £10-£30 |
| Hose replacement | £80-£200 |
| Power steering pump | £200-£500 |
| Steering rack replacement | £400-£800+ |
| EPS motor or control unit | £300-£700 |
Can You Drive Without Power Steering?
Technically, yes. But it is not safe, especially at low speeds or in an emergency. Steering will be very heavy.
If your power steering fails while driving, pull over safely and call for assistance. Do not attempt a long journey.
Final Thoughts
Power steering problems are usually fixable and reasonably priced if caught early. Do not ignore the warning signs. A simple fluid check could save you hundreds.
Keep your car in good shape with regular servicing. Check our car servicing guide for a full schedule.
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