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sue
sue 6/28/2012
2005 Ford Five Hundred SEL 6Cyl3.0L - Steering & Suspension
Why does the power steering whine when I turn the wheel when driving.
The whining while turning occurs with even the slightest turn of the wheel while driving and even in "park" with the slightest pressure on the wheel without turning it. It is worse when the engine is hot or it is hot outside. I noticed the problem this winter but in the cold the mechanic couldnt hear it. I notice the power steering fluid is gray tinged and I thought all power steering fluid was pink. The power steering fluid is full and without any leaks. It has never had any problems or service to the power steering. The car has about 50,000 miles on it. No check engine lights are on. The mechanic can now hear the whining-which is now louder and worse and thinks it's the power steering pump or rack and pinion steering.
2 Answers
  • Jimm
    Jimm 6/28/2012
    The mechanic may be correct. From your description, it sounds like the system has contaminated fluid and clogged / worn steering pump or steering rack assembly.
    Usually, this condition is resulting from not having regular steering system fluid changes or from a faulty seal in the system to let road dirt / grime get into the system.
    Try the many on-line auto parts sources, such as; www.RockAuto.com or www.autopartswarehouse.com for the replacement parts.
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  • HouseCallAuto
    HouseCallAuto 6/28/2012
    Replace the power steering pump, try to purge out all the fluif left in the system by turning the wheels lock to lock a few times while the hoses are disconnected from the pump.
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