EXPERT IN AUTO PARTS
15 December 2025 (updated) Table of Contents
The power steering system makes it much easier to steer your car, reducing the physical effort needed to turn the wheel, which is important given the sheer weight and size of modern cars. Without it, every day would be “arm day” as steering would require a lot of upper body strength.
One of the most common causes of power steering failure is a bad pump, which stops the fluid from flowing through the system. This guide will help you recognise the early warning signs of pump failure, understand your repair options, and estimate what replacement might cost in the UK.
Sold by AUTODOC Sold by AUTODOC Sold by AUTODOC Sold by AUTODOC Sold by AUTODOC
-60%
RIDEX Power steering pump
Hydraulic, 90 bar
Article number: 12H0036
compared to
RRP
£176.30
£70.49price incl. 20% VAT, excl. delivery costs
-38%
RIDEX Power steering pump
Hydraulic
Article number: 12H0052
compared to
RRP
£152.30
£93.49price incl. 20% VAT, excl. delivery costs
-57%
RIDEX Power steering pump
Hydraulic, 120 bar, Triangle, Aluminium, Clockwise rotation, with reservoir
Article number: 12H0059
compared to
RRP
£224.70
£95.49
Price per item
price incl. 20% VAT, excl. delivery costs
-57%
RIDEX Power steering pump
Hydraulic, 80 l/h, for left-hand/right-hand drive vehicles
Article number: 12H0004
compared to
RRP
£229.20
£97.49
Price per item
price incl. 20% VAT, excl. delivery costs
-44%
RIDEX Power steering pump
Hydraulic, Number of ribs: 6, Belt Pulley Ø: 137 mm, M16x1.5, black, with reservoir
Article number: 12H0035
compared to
RRP
£196.00
£109.49price incl. 20% VAT, excl. delivery costs
There are three main types of steering systems found in vehicles today:
Fully electric power steering: this modern solution does away with fluid entirely, using electronic sensors and motors to assist the driver.
If your car has either of the first two systems, the power steering pump plays a vital role in maintaining control. When it fails, steering becomes stiffer, noisier, and less responsive.
In hydraulic and electro-hydraulic systems, the pump pressurises a fluid and directs it into the steering gear. This pressure activates the valve and piston in the steering rack, which work together to help turn the wheels with less effort from the driver. The system only operates when the steering wheel is turned, with internal valves (like the rotary valve and torsion bar) ensuring precise control.
Recognising the early warning signs can help you avoid system failure or dangerous handling issues. Here are the most common indicators that your power steering pump may be on its way out:
If the wheel becomes difficult to turn or doesn’t respond immediately, it’s often due to low fluid pressure caused by a worn or failing pump. This is especially noticeable during slow-speed manoeuvres like parking.
A loud squeal when starting the engine or making sharp turns could point to the pump. However, a loose or worn serpentine belt can produce similar noises, so it’s worth checking belt tension before jumping to conclusions (if the vehicle has a belt).
These sounds are strong indicators of internal wear or low fluid levels. Whining usually increases with engine speed and turning pressure.
Power steering fluid is typically a red-brown colour and can leak from cracks in the pump housing, reservoir, or connecting hoses. If you spot a puddle beneath your vehicle, inspect the system immediately.
Check the reservoir for shimmering or gritty fluid. This indicates metal-on-metal wear inside the pump. When replacing the pump, make sure to flush the system properly and top up with new power steering fluid to prevent damage to the new part.
Before replacing the pump, rule out other common causes of steering issues:
A mechanic may use pressure gauges or listen for strange noises to isolate the fault. In some cases, dashboard warning lights may accompany mechanical symptoms.
In the UK, installing a new power steering pump costs roughly £150 to £500, depending on your car make, model, and whether you go to a mechanic or do the job yourself.
Some vehicles, especially older or more common models, tend to have cheaper parts and simpler designs, therefore requiring less labour. If you're trying to find a compatible unit, searching for your specific vehicle via the catalogue or using vehicle selector, e.g. “ 2007 Honda Accord power steering pump,” will bring up suitable results. Additionally, entering your VIN or the OE part number will ensure even greater accuracy.
If you’re a confident DIYer with basic mechanical skills and the right tools, replacing the pump can save you a fair amount of money. However, that doesn’t mean that it will be quick and easy. A typical DIY replacement includes:
Always consult your vehicle’s manual for the torque specifications and other repair procedures. Don’t forget to flush the system to remove any contaminants if metal flakes were found in the fluid.
Power steering pumps rarely have serviceable internal parts, so repairs are often not possible. In most cases, a complete replacement is the safest and most cost-effective option. Some reconditioned pumps are available, but the quality varies and the warranty may be limited.
Keeping your steering system in good condition can delay or even prevent pump failure. Here’s how to do it:
A failing power steering pump can make driving stressful and even dangerous. If you notice unusual noises, fluid leaks, or difficulty steering, don’t ignore it. AUTODOC mechanics highlight that the earlier the issue is diagnosed, the more likely you are to save money and effort in the long run. It’ll be safer too!
Whether you plan to repair the system yourself or take it to a professional, knowing what to expect in terms of symptoms and costs empowers you to make a smart, informed choice.
For more handy tips and tutorials, check out our YouTube channel. For example, here’s a handy video guide on how to change the power steering fluid:
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