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Old 02-14-2005, 09:48 AM
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How bad is it?

I have a 2000 Buick LeSabre with a power steering issue.

This is the wife's driver. She said steering was making a noise. There was a whining when turning that was cured by adding fluid.

However, about 1/2 the time when turning at low speeds - like parking speeds - there is very little assist and steering becomes very heavy. This is only at idle, as soon as the motor revs a bit it goes away.

So I am thinking maybe the pump? Is there a way to test this in the car?

Has anyone replaced any of these components? I am thinking difficult and expensive.

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Old 02-14-2005, 11:00 AM
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Those are positive displacement pumps so not much can prevent them from doing the job. Only two things I can think of would be a slipping belt or a bad bypass valve. Vapor lock is an outside possibility but I doubt it. If there is fluid and the thing is rotating, it is putting out flow. Period.
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Old 02-14-2005, 07:56 PM
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if you had to add fluid to stop the whining, there has to be a leak. first check that and repair. make sure you have it bled out, with no bubbles or foam. if it still give problems, remove the relief valve, and make sure it is clean. all it takes is a small piece of dirt to make it stop working. good luck.
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Old 02-15-2005, 11:46 AM
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Morning sickness

With Gm steering racks. They get what mechanics refer to morning sickness. The rack is hard to turn when you first start the car. Generally first thing in the morning. It is giving you early signs that it is going to stop working.
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Old 02-15-2005, 11:48 AM
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Re: Morning sickness

Quote:
Originally posted by bracketeer
With Gm steering racks. They get what mechanics refer to morning sickness. The rack is hard to turn when you first start the car. Generally first thing in the morning. It is giving you early signs that it is going to stop working.
I thought that came with turning 50!
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Old 02-15-2005, 01:04 PM
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I have that problem on my 2003 cavalier, sometimes first thing in the morning I will have no power assist. Seems like only when cold, this setup is the one that appears to be cam driven. The car only has 16k. Could it be going already?
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Old 02-15-2005, 04:56 PM
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Thanks for the replies - any other ideas?

I really like the car, but the 3800 is CRAMMED into the engine bay. I can reach the reservoir, but only kinda.

I just have this bad feeling about this part and my ability to get to and / or replace it.

Some of the parts on this car make me feel as if they started with the motor and then assembled the car around it. There is one spark plug I can't touch and one I can't see.

Like in an old farmhouse where the bathtub was installed prior to the bathroom door being built.
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