Question about 2005 Ford Taurus

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I have a 2005 Ford Taurus with 96,600 miles. While driving on the highway, the car started blowing hot air from the a/c, then 10 miles down the road it started emitting an electrical fire smell but no smoke. I pulled over, shut the engine off, then opened the hood but couldn't find anything burning. I restarted the car and checked to see that all the pulleys were turning and that the belt was not slipping. I turned the a/c back on and rechecked the belt and pulleys. Everything checked fine and when I reentered the car the a/c was working normally. A few days later I was on the highway with it again and suddenly started hearing a terrible grinding/growling noise from the engine compartment. I shut off the a/c and the noise stopped, so I drove the rest of the trip without the a/c. The next morning when I started the car the grinding/growling noise immediately started from the engine compartment. I opened the hood and the sound was most definitely coming from the pulleys. I turned the car off and checked all the pulleys. The top idler pulley wiggled so I bought a new one and had my husband replace it and the belt. Without the belt on, the top idler pulley and the a/c compressor pulley were the only two that had any play in them. However, the a/c compressor pulley had only a small fraction of play when wiggled. So to get to my problem, the grinding/growling noise is still coming from that area. Could the a/c compressor be the culprit after all even though the a/c works just fine? Or did the idler pulley need to be tightened to a certain torque? I am greatfull for any advice you can give. Thank you so much! Jennifer Greve

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  • jenjogreve Oct 13, 2010

    I am now being told that the problem is with the A/C clutch pulley. The A/C still works, but the noise is terrible. I have parked the car for now so I don't end up replacing the A/C compressor. As soon as we get the pulley replaced, I will let you know if that's the culprit.


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My car is doing the same thing. please let me know if you ever figured out the problem.

Posted on Oct 13, 2010

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