Whining noise in the that gets louder as I accelerate

Tiny
MICHELLE BRADLEY
  • MEMBER
  • 2004 BUICK RENDEZVOUS
  • 3.6L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 209,000 MILES
How can I check the rear fluid. Have a whining noise that gets louder has I accelerate. Was told it was the hub assembly. Replaced that but noise is still there.
Thursday, June 7th, 2018 AT 6:15 PM

17 Replies

Tiny
HARRY P
  • MECHANIC
  • 2,292 POSTS
There is no "rear fluid" or rear differential to check in that vehicle because it is a front wheel drive vehicle. Unless it is an all wheel drive. I will say that it could possibly be the other hub assembly. Does the noise change as you go around curves, or accelerate/decelerate? Normally, the faster you go, the louder (and potentially higher pitched) the noise will be.
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Thursday, June 7th, 2018 AT 7:46 PM
Tiny
MICHELLE BRADLEY
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  • 10 POSTS
Yes, when I accelerate it gets louder. I checked all the tires to see if there is play in any of them and there is not any play.
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Thursday, June 7th, 2018 AT 7:50 PM
Tiny
HARRY P
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You would not necessarily feel any play in the wheels. There would not be any noticeable play in the tires unless the hub was about to come apart.
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Thursday, June 7th, 2018 AT 7:57 PM
Tiny
MICHELLE BRADLEY
  • MEMBER
  • 10 POSTS
Ugh. I was also told that the tires could make the same noise.
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Thursday, June 7th, 2018 AT 8:08 PM
Tiny
MICHELLE BRADLEY
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  • 10 POSTS
I just do not what to keep wasting money.
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Thursday, June 7th, 2018 AT 8:10 PM
Tiny
HARRY P
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To check and see if it is the tires, you can rotate them. Basically, you would be putting the rear wheels on the front, and the front ones on the rear. Then drive the car and see if the noise moved with the tires. If it moved, then it is the tire.
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Thursday, June 7th, 2018 AT 8:11 PM
Tiny
MICHELLE BRADLEY
  • MEMBER
  • 10 POSTS
Thanks I did not even think about that. Duh it has been a day. Just been trying to figure out this noise.
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Thursday, June 7th, 2018 AT 8:12 PM
Tiny
HARRY P
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  • 2,292 POSTS
Well hopefully it will be something nice and simple like that.
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Thursday, June 7th, 2018 AT 8:14 PM
Tiny
MICHELLE BRADLEY
  • MEMBER
  • 10 POSTS
Yeah me too. I already replaced one rear hub assembly this morning and it was not fun. So if it is the hub then I have to order it in the morning because they do not have any in stock. However, if it is the tires there is a lot more money.
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Thursday, June 7th, 2018 AT 8:17 PM
Tiny
ASEMASTER6371
  • MECHANIC
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Good morning.

You can tell if it is the tires by having them rotated and see if the noise travels to the front. That would confirm a tire issue.

The hub bearings are common issues. Also, the rear fluid is an issue. It must be changed every 50,000 miles or the bearings in the rear will fail. They take special fluid for that change.

Roy

https://www.2carpros.com/articles/bearing-hub-replacement

https://www.2carpros.com/articles/wheel-removal-and-re-installation
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Thursday, June 7th, 2018 AT 9:19 PM
Tiny
HARRY P
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Hey Michelle, it has come to my attention that the 3.6L Rendezvous is an All Wheel Drive vehicle. So if you are sure that you have a 3.6L engine, then the rear fluid could be your issue. It uses a specific lube and has two oil pumps in it along with the gears. When the front end spins a bit the rear pumps rotate at different speeds and clamp the clutches on to power the rear axle. Whine can be from the pumps or internal pinion bearing or even the joint at the front of the torque tube. The unit bolts to the body with minimal isolation and noises become much louder. Lube is VersaTrak Fluid GM # 12378514

I will look into how to check the fluid if rotating the tires does not work.
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Friday, June 8th, 2018 AT 3:44 AM
Tiny
MICHELLE BRADLEY
  • MEMBER
  • 10 POSTS
Okay, I am going to rotate tires this morning.
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Friday, June 8th, 2018 AT 4:42 AM
Tiny
MICHELLE BRADLEY
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  • 10 POSTS
It is fixed, yay.
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Friday, June 8th, 2018 AT 4:09 PM
Tiny
HARRY P
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Well that is a little unexpected, but we will take it! Please let us know if there is anything else we can ever do for you.
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Friday, June 8th, 2018 AT 7:10 PM
Tiny
MICHELLE BRADLEY
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  • 10 POSTS
Oh, I will and thank you for your help. I am just happy the noise is gone.
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Friday, June 8th, 2018 AT 7:12 PM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,602 POSTS
Good to hear, please use 2CarPros anytime we are here to help.

Cheers, Ken
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Monday, June 11th, 2018 AT 12:41 PM
Tiny
MICHELLE BRADLEY
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  • 10 POSTS
Thanks and I will.
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Monday, June 11th, 2018 AT 12:42 PM

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