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What is this noise? Power steering? Only makes this noise when A/C is off.

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You did a good job of recording the noise. Start with the easy first. Check the level of the power steering fluid. It should be up to the bottom of the neck, and at the proper level on the dipstick that is a part of the power steering cap. Low fluid can make the power steering pump "howl".
Next, find a "mechanic's stethoscope". That is something like a long screwdriver (16" to 24") or a long slender stick. Put the business end of the screwdriver on the alternator, the power steering pump, or the idler pulley housing and put your ear to the handle end. One of those units, which is being driven by the serpentine belt, may have a bad bearing in it. You hould be quickly able to hear the offending=noise-making part. Understand that some parts like the idler pulley or the tensioning pulley may be difficult or impossible for you to reach with your improvised "stethoscope".

Posted on Jan 06, 2013

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It has power steering. Why does it steer so hard?


Do you hear noises while turning the wheel at low speeds or stationary? If you hear a whining noise check the power steering fluid level. A low fluid level would make a whining noise as well as cause stiff steering. If you hear a squealing noise check the power steering belt tension. A slipping belt would cause stiff steering also. If you hear no abnormal noises check to make sure the power steering belt is there. If all of the above check out ok you may have a bad power steering pump, steering gear or a blockage in a pressure line.

Jun 19, 2010 | 2005 Volkswagen GTI

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Will atf puty in steering pump and geer box make power steering box more noise than using power steering fluid in the jeep cherokee


it shouldn't. usually when your power steering pump starts making lots of noise it's about to die

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Whining when i press gas


normally, the only part of your automatic transmission that will make a whining noise is the pump. it usually whines when iether the fluid is low or more commonly when the transmission oil filter is getting plugged up.

the power steering pump will also make a whining noise too.

turn the wheel all the way to the right and hold steady pressure against the stop. this puts maximum force on the power steering pump and, if the power steering pump is the one making the whine, it will change the sound of it. (usually louder).

if the trans pump is making the whine noise, it should sound different in neutral compared to drive. this test will really only work if it make the noise without the vehicle moving. if it wont do it at idle hold the rpms at 2000 or so.

if you decide the noise is coming from the transmission, and the transmission filter has not been replaced (assuming you installed a used transmission), replace the filter by removing the oil pan.



oh and also, if it is the power steering pump you should be able to make it make the whining noise while the vehicle is stationary. if it wont make noise unless its moving its not the power steering pump.

Mar 23, 2010 | 2003 Chevrolet TrailBlazer

1 Answer

Power steering makes noise and vibrates when turning . Is this a pump problem or something to do with magnasteer ?


  • Check the Steering fluid first. and check the hose of the steering fluid make sure there is no leak. And after you add a steering fluid and still there is a noise visit a good mechanic and advise the mechanic to check the pump.

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1 Answer

2003 BMW 325i will start but making noise


It might be a faulty power steering pump. Try checking the level of the power steering fluid. It is probably best you have your power steering system checked by a mechanic.

Does the noise occur only when the vehicle is moving?

Try moving the steering wheel from side to side, while stationary (but don't do it too often, or you might damage something). If the noise is still present when the car is stationary, then it probably is the power steering system.

If the noise only occurs while the vehicle is moving, it could be a problem with the differential/final drive, or even wheel bearings.

Apr 16, 2009 | 2003 BMW 325

1 Answer

Pontiac GT steering wheel makes noise


Hi there, this sounds like a power steering pump issue. check the power steering fluid if you can. if its low, add to fill mark. if the noise is still present, its the actual pump itself.

Feb 16, 2009 | 2003 Pontiac Grand Prix

1 Answer

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if noise is excessive it may be low in power steering fluid .if this is the case it will make a moaning ,tearing sound.any car with power steering will make some noise when locked fully left or right.

Oct 17, 2008 | 2000 Volvo S70

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