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Car is making a noise under the hood when I accelerate

Tiny
JESSICA MERTENS
  • MEMBER
  • 2007 PONTIAC G6
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 240,000 MILES
It doesn't even when idling now but at first it was only when I was accelerating. I don't know where the power steering pump is or how you put fluid in it, or if that's what it would be I will include a video of what it sounds like on the outside and from the inside power steering.
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Friday, March 27th, 2020 AT 10:05 AM

9 Replies

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

The video did not show up.

Can you upload to this post?

Roy
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Friday, March 27th, 2020 AT 10:31 AM
Tiny
JESSICA MERTENS
  • MEMBER
  • 55 POSTS
Sorry they should be on there now.
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Friday, March 27th, 2020 AT 10:54 AM
Tiny
ASEMASTER6371
  • MECHANIC
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Thank you.

The power steering is the black cap toward the right front fender. Check the fluid level and see if it is low.

https://www.2carpros.com/articles/engine-noises

If it is, add as needed and start the engine and turn the wheel left and right to its maximum. Do that 3 or 4 times. That should bleed the system.

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

If that takes care of it, there is most likely a leak in the system. It will need to be checked for the leak as it can come from many places.

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

Roy
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Friday, March 27th, 2020 AT 11:03 AM
Tiny
JESSICA MERTENS
  • MEMBER
  • 55 POSTS
Okay, I checked the power steering fluid and it's in the hash mark area.
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Friday, March 27th, 2020 AT 12:58 PM
Tiny
ASEMASTER6371
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Okay, the next step would be to remove the drive belt from the engine and start the car and see if the noise is still present.

Roy
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Friday, March 27th, 2020 AT 3:06 PM
Tiny
JESSICA MERTENS
  • MEMBER
  • 55 POSTS
I'm not really quite sure how to get the belt off of there.
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Sunday, March 29th, 2020 AT 11:17 AM
Tiny
ASEMASTER6371
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You will need a long handle 3/8 rachet to attach to the tensioner and pry on it and release the belt.

You may want to have someone help you with this if you have never done this before.

Roy
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Sunday, March 29th, 2020 AT 11:23 AM
Tiny
JESSICA MERTENS
  • MEMBER
  • 55 POSTS
  • 2007 PONTIAC G6
  • 3.5L
  • V6
  • 2WD
  • AUTOMATIC
  • 240,000 MILES
Is this a pulley that needs replaced and how do you know which one?
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Monday, March 30th, 2020 AT 2:33 PM (Merged)
Tiny
ASEMASTER6371
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Good afternoon,

I would remove the belt and spin each pulley to see what one makes noise.

Also, I would start it without the belt as well to verify the noise is gone. That will tell you it is external.

I attached pictures of the belt routing as well as the pulleys.

Roy
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Monday, March 30th, 2020 AT 2:33 PM (Merged)

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