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Old 01-23-2009, 12:50 AM   #1
ggiles
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2003 Ford Taurus humming

Hello All!
There is a humming noise when I start the car and while driving. I took it to a shop and they said it was the power steering pump. It was replaced but the humming continued. It has had the power steering fliud flushed and the humming continues. They now say it is the rack and pinion. I was told by the dealership that the rack and pinion is not a common problem/replacement and it could be the alternstor. Any suggesgtions?
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Old 01-23-2009, 01:00 AM   #2
Satty101
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If they say rack and pinion it could be there's a leak coming from the rack and pinion. If it was the alternator it would most likely be bad pulley bearings which would cause it to make more of a squeel or metal on metal grinding. You said it continues to happen while the car is not moving but the engine is running correct?
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Old 01-23-2009, 01:12 AM   #3
ggiles
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Yes, it still makes the humming (or grinding) while the car is not moving. They said that the power steering fluid was contaminated and they think the whole system is contaminated.
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Old 01-23-2009, 08:21 AM   #4
Satty101
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Quote:
Originally Posted by ggiles
Yes, it still makes the humming (or grinding) while the car is not moving. They said that the power steering fluid was contaminated and they think the whole system is contaminated.


That could be from the rack and pinion. If there's a leak there, it could have air contaminate the fluid over heating the pump making it hum. Without seeing the car for myself, I can't tell you if thats the correct diagnosis or not...
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My cars:

1999 Chevrolet Camaro SS (PC'd)
1994 Chevrolet Beretta Z26 Q4 (W41 M90'd)
2004 Chevrolet Silverado 2500 (4WD)

My wife's cars:

1971 Dodge Charger SE (stock and original 383 auto)
2004 Subaru Impreza WRX (kid-hauler)
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