Fixing Air in Power Steering: Step-by-Step Guide

by AutoExpert   |  10 April, 2024

Share :

Remember trying to drive those old cars without power steering? Nightmare. If your car's getting harder to turn, or making some awful noises, it might be air in your power steering system. Here's the deal:

  • Why Air is Bad: Power steering works with hydraulics (fluid under pressure). Air in the lines messes that up, so you get weird sounds and the wheel's hard to turn.

  • Check Your Car's Manual: Seriously. New cars can be picky about this stuff, and some might even bleed themselves. But if not, here's the basic how-to:

  1. Engine Off and COLD: Don't wanna burn yourself on hot parts. Air in Power Steering

  2. Pop the Hood, Find the Reservoir: This is where you add power steering fluid. Check the level, top it off if needed.

  3. Bleed Valve Time: It'll be on the steering box, which is where the big hose from your pump goes. Hook a short hose onto the valve, with the other end in a bucket to catch the old fluid.

  4. Start the Engine: Just so you can turn the wheel easily, but we'll turn it off again in a minute.  Air in Power Steering

  5. Turn and Bleed: Crank the wheel left and right, all the way. Then shut OFF the engine.

  6. Close the Valve, Top Up Fluid: Then check that bucket – see bubbles? You gotta repeat the whole process until it's just clean fluid.

Air in Power Steering

Important Stuff:

  • Bubbling fluid in the reservoir is BAD. Could be a dangerous leak.
  • Grunting noises from under the hood, especially while turning? That's also air.
  • Don't drive the car 'til this is fixed! You could wreck your pump, and that's way more expensive.

Recomended:

These 5 Hypercars Prove the Gasoline Dream Isn’t Dead Yet - Photo
Others
These 5 Hypercars Prove the Gasoline Dream Isn’t Dead Yet

A prancing horse is now in the stable.1. Gordon Murray Automotive T.50"The last great analogue supercar," that's the promise Gordon Murray made and he's held up his end of th

AutoExpert
This Affordable Sedan Keeps More of Your Money Than Almost Any Rival - Photo
Others
This Affordable Sedan Keeps More of Your Money Than Almost Any Rival

While SUVs have taken over from the sedan as the vehicle design of choice for American masses, the latter still has its place. Not only do they generally look better than the tall and ungainly SUV cro

AutoExpert
How Much Rising Gas Prices Really Cost Truck and Sedan Owners - Photo
Others
How Much Rising Gas Prices Really Cost Truck and Sedan Owners

Gas prices. Given recent events they've been on everyone's minds as rising oil prices cause gasoline prices to climb across the U.S. and around the world. We won't dive into why costs have

AutoExpert
Buick Is More Popular in China Than America and Here’s Why - Photo
Others
Buick Is More Popular in China Than America and Here’s Why

While Washington and Beijing rarely see eye to eye, Chinese car buyers have long been remarkably unified in their affection for one American brand. That brand is Buick which last year delivered 436,72

AutoExpert
Only Two Manual SUVs Are Left in 2026 and One Is Much Cheaper - Photo
Others
Only Two Manual SUVs Are Left in 2026 and One Is Much Cheaper

While SUVs have become a staple of American roads over the past couple decades, very few new ones are still available with a manual gearbox. Truth is the manual isn't being sold as an option with

AutoExpert
Self-Driving Cars May Succeed on Tech but Fail in Politics - Photo
Others
Self-Driving Cars May Succeed on Tech but Fail in Politics

Battery-electric cars became a political mess well before Elon Musk turned public opinion against his cars by leading the "government efficiency" campaign that sent about 300,000 federal emp

AutoExpert
Renault’s Tiny New Off-Roader Looks Ready to Challenge the Jimny - Photo
Concept
Renault’s Tiny New Off-Roader Looks Ready to Challenge the Jimny

Renault has previewed a new compact off-roader called the Bridger Concept, a small SUV designed to take on vehicles like the Suzuki Jimny. The catch is that most people will probably never see it in t

AutoExpert
Renault futuREady Plan Promises 36 New Models By 2030 - Photo
Car News
Renault futuREady Plan Promises 36 New Models By 2030

Renault Group has revealed a new long-term strategy called futuREady, and it is a pretty ambitious one. The plan promises dozens of new models, cheaper electric cars, and much faster development cycle

AutoExpert
The Cayenne EV Just Got A 657 HP Middle Model - Photo
Car News
The Cayenne EV Just Got A 657 HP Middle Model

Porsche is expanding the electric Cayenne lineup with a new middle option called the Cayenne S Electric. It sits between the entry-level model and the upcoming Porsche Cayenne Electric Turbo, giving b

AutoExpert
This $240K Range Rover Comes With Skis and Only Three Exist - Photo
Car News
This $240K Range Rover Comes With Skis and Only Three Exist

Land Rover has introduced another themed version of its performance flagship, this time drawing inspiration from snowy mountain scenery. The new Range Rover Sport SV Winter Dusk takes cues from the co

AutoExpert