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Whining noise

Tiny
ANDY1103
  • MEMBER
  • 2010 GMC YUKON
  • AUTOMATIC
  • 100,000 MILES
Noticing whinny/humming noise when accelerating and when let off gas stops. Transmission flush was done recently. Car drives normal besides this noise. Could it be differential? They recommended getting those flushed last oil change. Headed out of town next weekend, should I consider renting a vehicle?

Thank you.
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Monday, November 26th, 2018 AT 4:11 AM

25 Replies

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

Does the noise change pitch when you turn the steering wheel?

Was the transmission filter changed with the service?

Can you take a video with sound of the noise and upload it so we can hear it?

Roy

https://www.2carpros.com/articles/engine-noises
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Monday, November 26th, 2018 AT 4:42 AM
Tiny
ANDY1103
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  • 13 POSTS
I can try and upload a video today. Not a change in pitch when turn and I will check to see if they changed the filter as I am not sure.

Thank you.
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Monday, November 26th, 2018 AT 5:00 AM
Tiny
ASEMASTER6371
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Sounds like a plan.

Roy
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Monday, November 26th, 2018 AT 5:02 AM
Tiny
ANDY1103
  • MEMBER
  • 13 POSTS
No filter was changed out. Just confirmed that.
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Monday, November 26th, 2018 AT 5:24 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Okay, a clogged filter will cause the noise.

I would have the pan dropped and the filter changed out. Good possibility that could be your noise.

Roy

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission
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Monday, November 26th, 2018 AT 5:32 AM
Tiny
ANDY1103
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  • 13 POSTS
Is this something that we can do at home, or does vehicle need to be jacked up?
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Monday, November 26th, 2018 AT 5:47 AM
Tiny
ASEMASTER6371
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You can do it at home.

Yes, it has to be jacked up to gain access to the transmission pan.

You will need a filter and about six quarts of fluid. Any parts store should stock these parts.

Roy
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Monday, November 26th, 2018 AT 5:51 AM
Tiny
ANDY1103
  • MEMBER
  • 13 POSTS
I hope you can hear it. I was taking foot on and off acceleration in hopes to hear difference.
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Monday, November 26th, 2018 AT 10:18 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good.

That sounds like a noise from the drive train. It could be differential or axle bearing.

You need to take this to a shop and have them drive it and give you an opinion. That is a noise from a bearing somewhere. Just difficult for me to give a good clue not being there.

Roy
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Monday, November 26th, 2018 AT 1:22 PM
Tiny
ANDY1103
  • MEMBER
  • 13 POSTS
Thanks! I have an appointment set up on Wednesday. In your opinion will driving it cause more harm?
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Monday, November 26th, 2018 AT 1:30 PM
Tiny
ASEMASTER6371
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Not from the video. You have a short period of time to get it looked at.

Once they have an opinion, let us know the results.

Roy
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Monday, November 26th, 2018 AT 1:33 PM
Tiny
ANDY1103
  • MEMBER
  • 13 POSTS
Forgot to ask, in your opinion is it urgent to get looked at? We are planning on going out of town and wanted to drive truck. This might not be best idea? I am dropping off Wednesday. Hoping they can look at it, not appt specifically.
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Monday, November 26th, 2018 AT 1:46 PM
Tiny
ASEMASTER6371
  • MECHANIC
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No, do not go until the issue is determined. Then we can discuss whether you can take it on a long drive.

At this point, no, do not take it.

Roy
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Monday, November 26th, 2018 AT 1:48 PM
Tiny
ANDY1103
  • MEMBER
  • 13 POSTS
Okay, thank you! Hopefully they can squeeze me in and get it figured out. May rent a car just in case!
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Monday, November 26th, 2018 AT 1:56 PM
Tiny
ASEMASTER6371
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I would have a back up plan, yes.

Let us know the results.

Roy
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Monday, November 26th, 2018 AT 1:58 PM
Tiny
ANDY1103
  • MEMBER
  • 13 POSTS
So here is the estimate of what is wrong $3,300.00!
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Friday, November 30th, 2018 AT 5:31 PM
Tiny
ASEMASTER6371
  • MECHANIC
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That is very, very high.

All the parts at rock auto are around $300.00 minus the fluid.

$3,000.00 for labor is a joke. It is about a six hour job. That is about $750.00. That means the job is worth around $1,000.00 to $1,100.00.

Roy
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Friday, November 30th, 2018 AT 6:14 PM
Tiny
ANDY1103
  • MEMBER
  • 13 POSTS
We thought the same! Took to dealership so figured was way high. Have to find mechanic now. I did not get a chance to ask dealership if all of the recommendations had to do directly with the noise we are hearing, they did a whole vehicle inspection. Thanks for your feedback!
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Saturday, December 1st, 2018 AT 7:01 AM
Tiny
ASEMASTER6371
  • MECHANIC
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You are welcome.
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Saturday, December 1st, 2018 AT 7:24 AM
Tiny
ANDY1103
  • MEMBER
  • 13 POSTS
This is what dealership explained to me. Photo did not attach before. Just wanted to add to the original question thread.
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Saturday, December 1st, 2018 AT 2:05 PM

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