By: HowStuffWorks.com Contributors & Sascha Bos|Updated: Mar 22, 2024
Most modern cars come equipped with power steering, but as systems age they can wear out. Problems with alignment or the power steering pump can also cause the power steering system to stop working — and nobody wants a stiff steering wheel.
If you find yourself taking a sharp left and wondering, "Why is my steering wheel hard to turn?" follow the simple tips and techniques below to diagnose your power steering problem.
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Contents
- Check the Power Steering Fluid Level
- Check for Leaks
- Check for Loose Belts
- When to See a Mechanic
Check the Power Steering Fluid Level
If there's not enough power steering fluid, it'll be hard to make turns. Unscrew the cap of the power steering pump and check the fluid level.
If it's not full, buy power steering fluid from your local automotive supply store and refill the pump. If you have to add power steering fluid frequently, you may have a leak in your car's steering system.
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Check for Leaks
Inspect the hoses and lines around the power steering pump for possible leaks.
Lift the front end of the car with a jack. Check the seals of the rack and pinion for leaks. If you have an older car, you may have a recirculating ball unit to check instead.
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Check for Loose Belts
Have someone turn on the engine and turn your car's steering wheel while you listen for any noise coming from the pump. A loud, screechy sound indicates a loose power steering belt that needs adjustment.
The drive belt, or serpentine belt, powers the power steering pump and other systems and should last 60,000 to 100,000 miles (about 95,000 to 160,000 kilometers), according to Firestone.
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When to See a Mechanic
If none of these steps pinpoints a problem, a mechanic can raise your car up on a lift or ramp to check for problems under the car. A mechanic can also look for problems within the steering column or steering rack.
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Power Steering Problem FAQ
What would cause power steering to stop working?
Problems with alignment or the power steering pump can cause the power steering system to stop working.
What happens if power steering fluid is not full?
If there's not enough fluid, it'll be hard to make turns. Unscrew the cap of the power steering pump and check the fluid level.
How much does it cost to fix power steering?
Repair Pal says the average cost to replace a power steering pump is between $516 and $728.
What are the symptoms of a bad power steering pump?
A loud, screechy sound indicates a loose belt that needs adjustment. There could also be leaks around the power steering pump.
How do you find a power steering pump problem?
Lift the front end of the car with a jack. Check the seals of the rack and pinion for leaks. Also make sure to check for loose belts.
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