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My 03 kia optima whines @ idle and gets really loud if I turn left or right. Power steering is full, replaced the power steering pump, drained and refilled fluid w/lucas. And now it's actually louder.

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  • Kia Master
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Take it to a power steering specialist shop
the noise is from a pressure relief valve that unloads the pump pressure when it is not required for steering( idling, steering straight ahead or not steering wheel movement to activate the control valves)
the valve is faulty or the spring for the valve is failing and getting weak

Posted on Dec 20, 2016

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  • Kia Master
  • 14,585 Answers

Whining is a failed pump or to much air in the system. When racks go out, they tend to go to hard steering. Left or right or both ways. Always a chance you just bought a bad pump. Air in they system would foam up the fluid.

Posted on Dec 20, 2016

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Posted on Jan 02, 2017

  • 4 Answers

SOURCE: Power steering pump is clicking and whining

It seems who ever did the work may have removed the power steering pump to access the water pump and timing belt. After refilling they failed to bleed the air out or possibly left a return hose loose causing the pump to **** air hence the bubbles. The brown color in the fluid may indicate they have reused dirty fluid to refill the pump. Unfortunately if you have driven any distance with the air in the pump it will most likely need to be relaced.I would call the place who did the work and register a complaint.

Posted on Dec 03, 2008

lastech
  • 408 Answers

SOURCE: car makes a whining noise when turning left or right.

hi,if you turn the steering wheel in pull position,left or right it's normal to have whining noise,the system is sefl-bleeding if there is air ,ty

Posted on Mar 27, 2009

Testimonial: "Thank you Mr.Domingo! You were correct."

roniecon
  • 6826 Answers

SOURCE: power steering dont work to left or right

To find out witch it is,pump or rack and pinion,break loose the presure line on the power steering pump with a wench.Start the car and turn the steering wheel back and forth,you may need to loosen the nut on the power steering hose two or three turns to get the fluid to shoot out.It should come out pretty forceful.If it doesn`t,then replace the pump.If it does come out really powerful,replace the rack and pinion.

Posted on Aug 10, 2009

  • 12104 Answers

SOURCE: my power steering pump makes a growling noise even

if gets low definitely a leak foam is pump mixing fluid with air roar is pump cavitation check lines or pump for leak keep fluid at recommended level air bound unit can cause steering difficulty and or failure if need have trained mech look into problem

Posted on Oct 11, 2009

airjer995
  • 5332 Answers

SOURCE: 2003 dodge grand caravan problems with whining noise. Had power steering Pump replaced. Still whining noise . Louder when turning the steering wheel.

There is a relatively simple solution to the problem you and many others are having. The power steering reservoir contains a mesh screen filter. Over time it will start to plug up and cause the symptom you and many others are having. Replacing the reservoir will 99% of the time resolve the issue. I have done this successfully on many Caravans, Town and Countrys, and Voyagers.

The part is available from you local Dodge dealer.

To remove
1. remove the two screws that hold the reservoir to the intake plenum.
2. Loosen the nut on the backside and under the reservoir. It is in between the coil and the reservoir. a 10mm socket and extension will work.
3. place a bunch of rags under the reservoir to catch the power steering fluid that will spill.
4. remove the two hoses from the reservoir.

After you intsll the new one top of with ATF+4 transmission fluid. This is the only fluid that is recommended for you P/S system by the Dealer. Typically I will flush the power steering system prior to installing the new reservoir to make sure the fluid is as clean as possible in order to get the maximum life from the new reservoir.

hope that helps. Let me know if you have any questions.

Posted on Feb 24, 2012

Testimonial: "Thank you for your solution. I am returning my van to the mechanic on monday and I will ask him to change the reservoir. I will post if this fixes the problem."

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1 Answer

Loud noise when power steering is on full lock Kia Sedona 2004


There may be 2 possible causes for this problem. THe first may be cv koints failing or excessive turn angle of the wheel which would be binding up the cv joint. This can be checked by a wheel aligner testing the maximum turn allowed at the wheels.. The second is that power steering pumps should never be operated at tight full turn. To umnderstand this consider this. Power steering pumps are only under load when you move the steering wheel ans if you turn a bit the pump moves the wheels and then the pressure is let off until you move the wheel again. You have to move the wheel to shut off a valve in the box that allows the pump to build up pressure. When you hold the wheel hard against the stops at full turn you are making the pump work at maximum pressure and if you continue to do this you can expect premature pump failure. Jusat turn until you hit the stops then ease off a fraction. The noise I expect is the pressure relief valve in the pump is releasing rapidly and it probably sounds like a hammer hitting something metalic. Try the alignment and try not holding the turn hard at hard full turn. Haveing the pump pressure checked might also point to a fault

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Power steering pump is whining, I replaced it and the new one whines just as loud. what could be wrong


make sure your using power steering fluid recommended for the vehicle. If automatic transmission fluid it aerates causing bubbles. It's very similar to the effect of shaking a bottle of liquid detergent vigorously when half full. Having that much air in the system can cause it to whine very loudly and reduce the life of the pump.

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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.

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First make sure it is actually the pump and not the drive belt to the pump. If that checks out ok, then remove the P/S fill cap and turn the steering wheel fully left and fully right 10 times. This will remove any trapped air from the system. If that does no good then purchase a can of Seafoam Trans-Tune and add 2 ounces to the reservoir. If that still does not solve your whining & jerking problem after about 25 miles of driving, then the pump will have to be replaced.

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When you checked the power steering fluid level were there any indications of excessive foaming? There are three things that would cause a whining noise from the power steering. 1- low fluid (you checked that so that is not the culprit), 2- loose steering drive belt (you should not be able to press down on the belt more that about one inch between the steering pump pulley and the crankshaft pulley), 3- power steering pump bearing worn out.

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To find out witch it is,pump or rack and pinion,break loose the presure line on the power steering pump with a wench.Start the car and turn the steering wheel back and forth,you may need to loosen the nut on the power steering hose two or three turns to get the fluid to shoot out.It should come out pretty forceful.If it doesn`t,then replace the pump.If it does come out really powerful,replace the rack and pinion.

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The power steering pump that is used in your car is notorious for noise issues, it is a loud whine which gets louder as you turn the steering wheel right or left, flush the system fluid and replace the pump.

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