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Discussion Starter · #1 ·
A couple weeks ago my car developed a whine that sounds like a power steering pump low on fluid. It is not rpm base but speed based. I'm reading a lot about transmission bearing failures. My car has 25k on it. It is not related to what gear it is in or in gear at all.

Does this sound like the bearings are failing or something else?

Thanks in advance.
 

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Transmission output shaft bearing or wheel bearing. Transmission would be under the power train warranty. A wheel bearing may be under B2B depending on actual age of your car (when it was first purchased/leased from GM).
 

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If the noise changes pitch when turning it would be a wheel bearing/hub assembly. You may have to turn hard to notice.
 

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Discussion Starter · #8 ·
The sound does not change while turning. The only time it changes it with acceleration or deceleration. I got the car in June of 13 so it's fully covered.
 

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Discussion Starter · #10 ·
At this point I am not very happy. Any bearings should last more than 25k miles. Part of the reason of buying manual is because they typically hold up better than automatics.
 

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At this point I am not very happy. Any bearings should last more than 25k miles. Part of the reason of buying manual is because they typically hold up better than automatics.
This is also why the car comes with a warranty. Literally hundreds of thousands of cars are made each year. Invariably some substandard parts make it into them. Take it in and demonstrate the issue. Get it fixed.
 

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Just take the car to your Chevy dealer and get a proper diagnosis and see what the issues are, if it serious just be thankful it's under warranty. I had a 14 Eco Six speed manual, they are great cars. Keep us posted.
 

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Discussion Starter · #15 ·
Just take the car to your Chevy dealer and get a proper diagnosis and see what the issues are, if it serious just be thankful it's under warranty. I had a 14 Eco Six speed manual, they are great cars. Keep us posted.
I will definitely keep you guys posted. I'm going to try to get it in tomorrow after work. I'm a little nervous driving it. I'd hate to see something lock up on the freeway.
 

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This same sound, regardless of clutch in or out or in nuetral lines up more with a wheel bearing......typically, trans bearings howl under load.

Rob
My trans was like the OP. It was speed based and not dependant of gear or clutch in/out. They put my car on the lift and had someone spin the wheels while another was under trying to pinpoint where it was coming from. Not sure what speeds they reached on the lift but for me 70/80 the sound drowned out the radio a bit. 20/30 was I think i hear someting but road noise was drowning it out.
At this point I am not very happy. Any bearings should last more than 25k miles. Part of the reason of buying manual is because they typically hold up better than automatics.
Same reason I got mine, sounds like you fell in the same boat as me with low fluid of the assembly line. I waited till about almost 30K miles to swap fluid but by that time I was too late to catch the damage done. I heard the small whine but assumed I was hearing things. One day it grew to the point it overpowered the radio at 70-80 MPH.

Most wheel bearing failures are a result of impact (potholes)

Rob
From his location he wouldn't see as many as me. If so he would have also been through a new LCA (Ball Joint) like I did. Truthfully I think the end link is done for it as we speak. A new rattle just developed at that same corner.

Now my other car the bearings were just designed(badly) to fail every 50k kinda like the Saturn Vue.

I will definitely keep you guys posted. I'm going to try to get it in tomorrow after work. I'm a little nervous driving it. I'd hate to see something lock up on the freeway.
You should be fine, mine went for quite a bit before I decided "this isn't normal".
 

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Sounds like my tranny situation, replaced at 55K miles. 30-50 mph was where I noticed it the most. The dealer said it was wheel bearings. I replaced both front wheel bearings myself and the sound was the same. They then replaced the tranny, and after a bit of a fuss, they reimbursed me for the cost of the wheel bearings because they knew they screwed up.
 

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Discussion Starter · #18 ·
Sounds like my tranny situation, replaced at 55K miles. 30-50 mph was where I noticed it the most. The dealer said it was wheel bearings. I replaced both front wheel bearings myself and the sound was the same. They then replaced the tranny, and after a bit of a fuss, they reimbursed me for the cost of the wheel bearings because they knew they screwed up.
Sounds exactly like what I'm hearing. It does away a little after 50 but it could be road noise blocking it out.
 

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A buddy of mine has a transmission shop, and has rebuilt a few of these transmissions already, due to low oil (that were out of warranty). Is 2qts still the recommended amount for a drain/fill? My '13 doesn't have the plug in the side. When I drained the factory fill, I got about 1.75qts out, and put 2 back in.
 
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