Question about 2003 Mercury Mountaineer

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About 5 days ago my 2003 mercury mountaineer, at 42,000 miles, is making a noise that I would normally hear when it's first being started up. When it's cold. Then as it warms up the noise would disappear. But, not now. T he noise stays, especially when I give it gas in drive.

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  • williamcolic Nov 09, 2010

    Under the hood. You know like when you first start the car. The car is cold. And normally as you drive any car, the noise would disappear. I opened the hood but, there's no noise. But, driving...giving gas to go forward...that's the noise. When just cruising and driving with no extra effort to push more for gas, then there's no noise. But, going up hills...that's another story. Probably front engine bay. The noise is a slight whirling noise.

  • williamcolic Nov 10, 2010

    No. I appreciate your input. I will try what you are advising. Thank you.

  • williamcolic Nov 11, 2010

    No. You're wrong. Pretty sure it's the over drive in the transmission. Because the noise is louder when over drive is off. And is starting to make small noises when over drive is on. So I have to take it to the Ford dealer and have those crazed- starved mechanics look at it.

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You have probably already explained this, but as of now I can't read anything that you have written other than the original problem. So. What kind of sound is it? Can you tell about where it is coming from? Is it under the hood, under the dash? Please give me a little more info. Thanks!

Posted on Nov 10, 2010

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Hello William. It sounds like your serpentine belt, or one of the pulleys that the serpentine belt drives is going bad. If you are into self-repairs you can remove the old belt and check each of the pulleys manually. Typically they are either frozen up or noticeably wobbly. Once you replace the bad pulley, install a new serpentine belt.

Now regarding that belt, there should be a diagram under the hood that shows exactly how that belt gets installed. There is also one in your owner manual and at most auto parts stores.

Joe

Posted on Nov 10, 2010

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Is it possible to isolate this noise to a specific area on the vehicle? Front engine bay, Middle or rear of vehicle? Is the noise heard more when the hood is opened?

Posted on Nov 09, 2010

  • GetMeOttaHere Nov 10, 2010

    Perhaps it is the serpentine belt tensioner or the power steering fluid level. Your vehicle has low mileage, so It is most likley nothing major. With the hood up, give it some gas and also turn the wheel to see if you can get the noise to appear. I realize this is very difficult to communicate by email.

  • GetMeOttaHere Nov 12, 2010

    Yea, You might have wanted to mention the overdrive issue from the start.

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