Question about 2001 Chevrolet Impala

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Power steering leakin , but dont know where its coming from , and its whining too . but the it stops whining after i drive it for awhile , what should i do....

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  • Chevrolet Master
  • 2,272 Answers

Whining should be low power sterring fluid.
Check the power steering dipstick and keep it in the range.
If you have no power steering fluid, automatic transmission fluid ( Dexron) works fine.
Leaks best found with a flashlight, you should not need the engine running, but you will need to get under the car, and you may need to push or bend some of the plastic sheilds out of the way to look.
Most often it is a hose, high or low pressure hose to the power steering pump that leaks.
High pressure hose has fittings, low pressure hose may have a hose clamp.

Posted on Jan 23, 2013

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Posted on Jan 02, 2017

stevehinrich
  • 61 Answers

SOURCE: chevy silverado power steering

The power steering pump shaft may have broken inside the pump. I have seen this happen on a these trucks. Have your pump checked.

Posted on Mar 03, 2009

  • 65 Answers

SOURCE: 2003 chevy silverado

A power steering pump will whine if it is low on fluid, when you turn the wheels you will hear the whine or if the power steering belt is to tight you will also hear the whine. You will not hear this whine when the truck is stopped.

Posted on Jul 24, 2009

  • 850 Answers

SOURCE: Bleeding the power assist system

you have a vaccum leak or the brake booster diaghram is damged!
check all vaccum hoses but i bet its the booster! get it done ASAP!!
Cheers rob.

Posted on Jul 28, 2009

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Please elaborate. Does it happen when stopped and turning the steering wheel, at certain speeds or both?
Does yours have power steering? That was an option for 1990.
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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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A power steering pump will whine if it is low on fluid, when you turn the wheels you will hear the whine or if the power steering belt is to tight you will also hear the whine. You will not hear this whine when the truck is stopped.

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Sounds like a dry/failing bearing or power steering pump noise. You first need to try to track down where the noise is originating, and the most likely place is at the front of the engine.
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