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Power steering stops working when accelerating?

Tiny
TOOL_UNO
  • MEMBER
  • 2007 NISSAN ALTIMA
  • 2.5L
  • 4 CYL
  • 2WD
  • AUTOMATIC
  • 126,000 MILES
My car's power steering assist fails when I rev over 4,000 RPMs.

Sometimes it returns quickly and sometimes I will come back to my car later and will still be difficult to turn the steering wheel.

What part(s) should I check that can possibly be the culprit?
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Thursday, April 15th, 2021 AT 12:19 AM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good morning,

This could be the drive belt slipping when the RPM is high. At that point, the tensioner is not keeping the belt tight.

https://www.2carpros.com/articles/power-steering-problems

I attached the instructions for the belt and the tensioner.

https://www.2carpros.com/articles/replace-serpentine-belt

https://www.2carpros.com/articles/serpentine-belt-tensioner-replacement

Roy
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Thursday, April 15th, 2021 AT 2:46 AM

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