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Power Steering noise. Zinging sound. Thought it may be a bearing. How can I know for sure if it is the power steering that is making the noise?

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  • r_4c Dec 09, 2008

    Thanks for confirming that it is not the power steering. A metalic sound upon start up I believe is the automatic belt tensioner bearing.

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Turn the wheel see if noise changes

Posted on Dec 06, 2008

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Matt,
If you hear a buzzing or zinging type of sound when you turn the wheels right or left, that means there is still some air in the pump or pump return lines. To stop the noise and protect the pump, block the rear wheels, place the transmission in park, and apply the parking brake. Jack up the front tires approximately two inches from the ground, making sure they are supported with something strong under the chassis so that it doesn't fall. Loosen the power steering cap just enough to where it will stay on, yet release any remaining air from the system, start the engine, very slowly rotate the front wheels to the right then to the left, this will release any air from the pump and the pump returning lines. When you don't hear any of the buzzing sounds, that means the air was released. Turn off he engine, remove the power steering cap, you will see the small air bubbles rising to the top. If you get any more buzzing sounds from the power steering system, repeat this process adding just enough fluid recommended. I know this sounds unusual, I have worked on Dodges for 43 years and my dad the main mechanic taught me this from his experience. This will also work on many other vehicles with power steering. Hope this helps with your power steering installation.

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My 89 toyota corolla started making a strange rattling noise about a week ago but continued to run without problems. The noise started intermittently but became louder and more consistent. A neighborhood...


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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.



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Although there is fluid, when was the fluid last changed? Then was the last time this entire System was flushed?
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Before you run out and buy a new Power Steerin Pump, make sure it is in fact the Pump and not the nearby Pulley's or Pump's. Some people rush to judgement and change out the Pump when the nearby pulley bearing was the real culprit.
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