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Whinning noises from under the hood.

Tiny
LDCARTER72
  • MEMBER
  • 1994 INFINITI Q45
  • 4.5L
  • V8
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
When the car starts there is a whining noise from under the hood. I know I need an ac pulley but not sure if that is what is causing the noise. It is louder when it is cold. It also sounds like the whining revs up when you press on the gas. It also makes that noise when making a turn. I have replaced the power steering pulley and belts. Please let me know all the options it could be.
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Sunday, March 2nd, 2014 AT 1:03 AM

1 Reply

Tiny
KNOWLEDGE IS POWER
  • MECHANIC
  • 1,136 POSTS
Check the fluid in the power steering reservoir first. If its at the proper level then is it dark. If so flush it with new fluid. Did you replace the pump and pulley or just the pulley? If just the pulley and it still whines with clean fluid then id say the pumps on its way out. If you replaced the pump already then there could be a restricted power steering pressure line. If that's clear then the rack an pinion is to blame
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Sunday, March 2nd, 2014 AT 2:54 AM

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