Ford Taurus x 2008 odd whistling noise

BHLADIK

MEMBER
2008 FORD TAURUS
6 CYL
TURBO
AWD
AUTOMATIC
107,000 MILES

I just noticed this today. I heard a weird vibrating sound like something was stuck on the way home from work. I then get home in the driveway and park it. I start noticing a high pitched whistling kind of sound. I turned the car off to see if the noise was a part of the car or something else. The noise went away. I turned the car back on. The noise didn't come back right away. After a minute or so is when I started hearing the noise. Everything else about the car seems ok as no lights on the car or anything else out of the ordinary that I could see. This is a new to us car. So I am at a lost. I am hoping this isnt a water pump issue as Ive read those are expensive to replace on these. Any input on this would be appreciated. Thanks

5 Replies

JACOBANDNICKOLAS

MECHANIC
108,328 POSTS

Is the vehicle leaking coolant? Is it running hot? If not, chances are it is a solenoid or vacuum issue which is releasing after engine vacuum is shut down.

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Thursday, October 22nd, 2015 AT 6:29 PM

BHLADIK

MEMBER
3 POSTS

Thanks for the response. I don't see it leaking anything obvious that I can tell. I see like water condensation from the ac but thats about it. It basically started doing this today. First thought it was like a kids whistle or a bird or something different but the more I looked and listened could tell it was related to the car. It doesn't sound like typical belts squealing so I am pretty sure it isn't that. Its just a weird pitch changing whirly sound if that makes sense. And doesn't happen till after a minute or so of the car being on.

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Thursday, October 22nd, 2015 AT 6:40 PM

JACOBANDNICKOLAS

MECHANIC
108,328 POSTS

It really sounds like a vacuum leak of some sort. Are you able to let the vehicle idle and check under the hood for an aprox location?

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Tuesday, October 27th, 2015 AT 5:54 PM

BHLADIK

MEMBER
3 POSTS

I did a week or so ago. I'm not there currently but it did seem to come from the left hand side when I checked last time. I turned the car off let it sit a bit, then turned it back on, after a minute or so that whirling noise would come back. I read online how these have issues with water pumps so was praying it was nothing like that. Since those are pricey to fix.

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Tuesday, October 27th, 2015 AT 6:02 PM

JACOBANDNICKOLAS

MECHANIC
108,328 POSTS

Which V6 do you have? Some have the water pump run off the timing belt, and others from the serp belt. If it is the serp belt, remove the belt and see if the noise goes away.

NOTE: If you remove the serp belt, only allow the engine to run for a few seconds, just long enough to determine if the noise is gone. If the noise goes away check all belt driven accessories for noise.