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2006 Grand Prix noises


.quantum.
09-16-2010, 06:44 PM
My '06 Grand Prix 3.8L has started making some new sounds recently, first it makes a whirring sound that changes pitch as I accelerate, I speed up the pitch goes up.

And the other noise is a straining sound as I turn, it's more pronounced when I turn left, but it is still audible when I turn right too.

Thanks for any help

BNaylor
09-17-2010, 09:39 AM
It would help to post your mileage. Alternator or drive belt tensioner and pulleys are common noise sources for the engine. Have you checked power steering fluid level?
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.quantum.
09-17-2010, 08:06 PM
It's got just over 53,000 miles, and as dumb as it makes me feel to say it, I can't find the power steering resivoir. The manual says it's behind the alternator, but I searched the whole engine over and couldn't find it.

I did notice that my coolant reservoir tank has a leak, and was looking for parts at autozone, and napa, but couldn't find one. Do you think I'll need to go to a salvage yard for that? Or could I just repair it with some epoxy?

BNaylor
09-17-2010, 08:22 PM
Looking from right side of engine (passenger side) it is below the alternator more towards the back. You should see it using a flashlight or good lighting source.

For the reservoir try the GM dealer for new or for used Ed Morad Parts Co at his EBay store.

.quantum.
09-18-2010, 09:34 AM
Power steering fluid is full.

.quantum.
09-25-2010, 03:28 PM
Any idea of what else it might be?

mcmalloy
09-25-2010, 03:36 PM
take the belt off , spin the alternater pully ,should spin for 3 or 4 seconds , should be quit, also check power steering pully for play , could also take it for a spin around the block with the belt off to see if the noise is still there

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