2005 Ford Expedition Whining Noise

Tiny
COUGHRAN
  • MEMBER
  • 2005 FORD EXPEDITION
  • V8
  • 4WD
  • AUTOMATIC
  • 50,000 MILES
When the vehicle is idling, there is no noise, however, when I accelerate a whining noise comes from the engine.
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Tuesday, June 16th, 2009 AT 3:13 PM

4 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Can you describe the sound? Also, does it do it if the engine is both hot or cold?
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Thursday, June 18th, 2009 AT 11:51 PM
Tiny
COUGHRAN
  • MEMBER
It doesn't sound hot. It doesn't affect the performance of the vehicle. I still have lots of power. I notice yesterday that the sound is also heard at the idle which I didn't hear before.
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Friday, June 19th, 2009 AT 6:41 AM
Tiny
COUGHRAN
  • MEMBER
I just thought of something else that may help describe the noise. It sounds like a standard car when backing up.
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Friday, June 19th, 2009 AT 10:16 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Ibased on your description (a standard trans in reverse) sounds like the power steering pump. Have you checked to make sure the fluid is full and if the sound is coming from there. An easy way to check for the sound is to remove the serp belt and start the engine to see if the sound is gone. If it is, that would be my guess at this point. NOTE: If you remove the belt, only run the engine for a few seconds. It will OVERHEAT and eventually kill the battery with the belt off. Also, it could just be low on power steering fluid.

Check it out and let me know what you find.

Joe
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Friday, June 19th, 2009 AT 5:16 PM

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