Question about 2002 Buick Regal

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High pitched sound just started. It goes REEEEEE!!

I have a 2002 Buick Regal LS with 110K miles and recently fixed a groaning noise in the front suspension. It was a bad ball joint. Now, 2 weeks later there's this unusual sound just started. When turning left or right it goes REEEEEEE from under the hood and stops after a few seconds when the wheel straightens out. It doesn't do it all the time, just occassionally. Almost sounds like the power steering pump??

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It sounds like your power steering pump as you said, but I would start with changing the main drive belt. I have come across this same problem before. If you change out the belt and you still have this problem, remove the belt and start the engine. Turn the wheels left and right and listen for the noise. If the noise is gone then put the belt back on and check again. If the noise comes back then you have a component problem. I have seen the belt tensioner to make noises as you describe. I hope this helps you. Let me know if this is helpful to you.

Posted on Jan 02, 2009

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Hi

The groaning noise is the power steer pump operating under duress. I would suggest having the front suspension checked for any seized or failing ball joints or control arm problems. Most suspension guys will give the undercarriage a look over for you for free to check for any failing/unsafe parts. The engine belt driving the power steer pump should also be checked in case it needs adjustment.

regards
robotek

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