High pitched sound when car is in motion

2003 LEXUS ES 300
124,000 MILES
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CRICKYE2
  • MEMBER
  • 1 POST
Whether I step on the gas or the car is in motion, there is an audible high-pitched sound that you can here from underneath the car.Mu initial suspicion is that the driveshaft needs greasing but am not sure and don't know if this can be a do-it-yourself project
Dec 27, 2011 at 11:02 PM
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ASEMASTER6371
  • CAR REPAIR CONTRIBUTOR
  • 52,796 POSTS
it may be the brake pad warning sensor. check each wheel by rotating and see if the noise is there.

Roy
Dec 27, 2011 at 11:22 PM
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RASMATAZ
  • CAR REPAIR CONTRIBUTOR
  • 75,992 POSTS
Listen real closely to the power steering pump, alternator, and compressor and belt tensioner is it coming from one of these components?
Dec 27, 2011 at 11:26 PM