Question about Ford Taurus

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My 2005 Ford Taurus SEL started producing continuous whistling noise from the serpentine belt/alternator area of the engine. The noise becomes louder when the A/C is turned on. At about the same time I noticed that the windshield washer sprays have become less powerful. I have not experienced any problems turning the car on, dimmed headlights, nor have any warning lights come on. Could you please tell me what the likely cause(s) of the issue is/are and what I can expect to pay to resolve the problem. Thanks in advance! Dan

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  • dan_kruss Aug 22, 2010

    A couple extra details in addition to what I posted in my original question:

    I believe my engine is the Vulcan.
    It would be fair to describe the smooth side of my belt as somewhat shiny.
    I could not find any clear damage to the belt, although minor nicks in the ribbed side are present.

    I believe I will have to take the car to a shop, so its pretty important to me to have some idea of what a fair repair cost might be as well as an indication of what the issue is.

  • dan_kruss Aug 24, 2010

    I am still a bit in the dark on the likely cost of the repair and whether the problem is likely to extend beyond my belt - i.e. any of the bearings/rollers.

    Any pointers would be much appreciated!



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Hi, i think you have got 2 un-related problems with your car, so lets start with the whistling noise, now the noise you are hearing is going to be a dry bearing on one of the pulleys that the serpantine belt runs around, its usually one of the rollers but it could also be the ac pump or alternator pulley, one thing you can do to find out exactly which one is causing you the problem is to get hold of some spray lube and give one pulley a spray you need to spray the middle part at the front and back try not to get any spray on the outer part that the belt runs on or the belt as this will cause it to slip.
so give one pulley a spray in the middle at front and back use the straw you get with the spray to direct the spray into the middle where the bearing is then start the car if you still hear the noise move onto the next bearing keep doing this until the noise stops.

when the noise stop you will know whats causing the noise, now its up to you if you want to replace the pulley and bearing or just give it a spray everytime it gets noisy, it wont cause any damage spraying it say every 8 weeks or so and this would save you money on parts and labour. if how ever the noise is a rattling noise then this would mean the pulley needs replacing but for now it just sounds like it needs some grease spraying on it so thats what i would do for now.

now if you wanted it replacing your looking at about 10 uk pounds or about $20 US for the pulley and a couple of hours labour, to have it replaced but for now i would just give it a spray and you should be ok.

now for the washer pump, whats happened here is when you fill it up with washer fluid and water what happens is over time the fluid turns to a gel in the bottom of the washer bottle and this then causes blockages in the pump and the hoses running to the washer sprays what you can do is let the washer bottle run empty then fill it up with hot not boiling but really hot water then spray this through the whole system and this hould remove any gel build up, also you know where the washer jets are give these a good poke with a pin to remove any build up of gel that could be blocked in the end of the jets.

if after doing the above you still have low pressure then this could indicate the their is corrosion inside the pumps at the bottom of the washer bottle so if you still have low pressure then these will need replacing, dont buy them from main dealers go to a cheap car spares shop and buy their as they are a third of the price and work just as welll, also they are easy to fit as they are only pushed into rubber bungs in the bottom of the washer bottle and a couple of push fit wires.

I hope i have given you enough to be getting on with and you should get your problems solved with my advice but if you need any further help or if you have any further problems just give me a shout back and ill be glad to assist you further ok

Posted on Aug 24, 2010


Apply some belt conditioner on the serpentine belt and see if this corrects the whistle. If it does not stop the squeal then you will need to check for a loose pully wheel. It can also be the alternator about to fail, it will make noise like this before it fails. The windshield wiper spray nozzles will need to be cleaned out or replaced. Find a small safety pin and stick it into the nozzle to clear the build up inside it. If this does nont coorect the problem then replace the nozzle, they are very inexpensive. Check you battery and ensure that it is fully charged


Posted on Aug 22, 2010

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Hi. Whistling noise on your truck should be coming from the belts. you mentioned also that when you turn the A/C On, noise becomes louder. Belts produces noise especially when it is old and ready to break down. I suggest try to replace all the belts first and see the results.

All the best!

Posted on Aug 20, 2010

  • Angelito Rabago
    Angelito Rabago Aug 22, 2010

    Yeah. I agree with you on that. Feel free to go back here at fixya if you have any questions/clarification and we will glad to assist you with your concerns.

    Thank you for using fixya and have a great day!


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  • Sounds to me like the "whining" was a stuck pulley and the smoke was from the serpentine belt smoking. The alternator, AC compressor, Power Steering Pump, Water Pump and the Tentioner are all pulleys that are driven by the serpentine belt. When one of the em pulleys lock up the belt is still pulled by all the other pulleys and smokes out on the stuck pulley.

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  • If you have any comments please feel free to leave them here.
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