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Whining noise

Old 04-18-2018, 10:50 AM
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MBVette
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Default Whining noise

so in the last few times Iíve driven the car has developed a whining noise.

It only seens to be audible at 50mph+ and only happens when Iím on the gas. If I let go of the pedal the noise stops immediately.

I have ave tried different gears and that doesnít seem to matter. And it gets louder the faster I go. At 80 itís pretty damn loud and annoying.

Any ideas what would cause this?
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Old 04-18-2018, 11:36 AM
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Any Mustangs around?
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Old 04-18-2018, 12:02 PM
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Did you upset the wife?

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Old 04-18-2018, 02:07 PM
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I get a severe whine from the passenger seat area whenever I go over 100.
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Old 04-18-2018, 03:17 PM
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I know what you guys mean .....I hear that same whine sometimes when I'm not even in the car.
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Old 04-18-2018, 03:20 PM
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In order to hopefully get more serious responses, moving this over to the C5 Tech section.
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Old 04-18-2018, 03:23 PM
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So assuming youíre home alone and the wife isnít around, and your ears have stopped ringing from all of the screaming.

And you still hear the sound

I just opened up the hood and listened a bit and there is a whining noise from the front of the engine but canít pinpoint the exact spot. Belts alternator? Iím pretty stumped on this
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Old 04-18-2018, 03:26 PM
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Originally Posted by MBVette View Post
So assuming youíre home alone and the wife isnít around, and your ears have stopped ringing from all of the screaming.

And you still hear the sound

I just opened up the hood and listened a bit and there is a whining noise from the front of the engine but canít pinpoint the exact spot. Belts alternator? Iím pretty stumped on this
Check your pulleys. They might be dry and need to be replaced.
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Old 04-18-2018, 03:47 PM
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That would make sense since itís after the car sat for most of the winter.

Can you just spray a little bit of white lithium onto them?
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Old 04-18-2018, 04:08 PM
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Originally Posted by MBVette View Post
That would make sense since itís after the car sat for most of the winter.

Can you just spray a little bit of white lithium onto them?
No. If they have been running without grease for awhile they are worn out and need to be replaced.
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Old 04-18-2018, 04:43 PM
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Is there any specific pulley I should start with to figure this out? Some pullys are obviously much easier to switch out than others
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Old 04-18-2018, 05:06 PM
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Originally Posted by MBVette View Post
Is there any specific pulley I should start with to figure this out? Some pullys are obviously much easier to switch out than others
Try the tensioner pulley first. Take a 15mm socket, take tension off belt and slip it off pulley. Spin pulley and see if it's dry. If it is that one causing the problem, it is best to replace the tensioner with the pulley. It's probably worn out too. Easy job. If the belt is original, it should probably be replaced too.
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Old 04-18-2018, 05:28 PM
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Just tested that. And it spins fine but there is a little bit of bearing noise. So Iíll replace that since thatís really quick and easy. And see if it changes anything
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Old 04-18-2018, 05:32 PM
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Originally Posted by MBVette View Post
Just tested that. And it spins fine but there is a little bit of bearing noise. So Iíll replace that since thatís really quick and easy. And see if it changes anything
It should not spin freely. There should be some drag caused by grease.
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Old 04-18-2018, 05:51 PM
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Well I can spin the things and it just goes and goes for awhile. So I guess it needs to be changed. Lol
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Old 04-18-2018, 05:54 PM
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Originally Posted by MBVette View Post
Well I can spin the things and it just goes and goes for awhile. So I guess it needs to be changed. Lol
Yes, it must be dry as a bone. You will see the difference on the new one. A few years ago I changed the pulley without changing the tensioner. Turns out the tensioner was worn out and it wore the pulley out in a year. Best to change entire tensioner with pulley to be safe.
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Old 04-18-2018, 06:43 PM
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Ok so when Iím looking around

there is a main drive, ac, accessory pulley/tensionwe. Which is that top one on the passenger side that Iím replacing.
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Old 04-18-2018, 06:48 PM
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Originally Posted by MBVette View Post
Ok so when I’m looking around

there is a main drive, ac, accessory pulley/tensionwe. Which is that top one on the passenger side that I’m replacing.
ACDELCO 38194 {#89049312}
Accessory Drive
http://www.amazon.com/ACDelco-38194-...=ACDELCO+38194

You can get aftermarket brands cheaper. Good time to put a new belt on, if it's never been replaced.

Last edited by JR-01; 04-18-2018 at 06:51 PM.
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Old 04-18-2018, 06:52 PM
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Thatís the one I thought perfect. Just ordered it off amazon so Iíll have it to make the swap this weekend
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Old 04-19-2018, 09:46 AM
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Originally Posted by MBVette View Post
Thatís the one I thought perfect. Just ordered it off amazon so Iíll have it to make the swap this weekend
I might be a little late on this one BUT, if you have not ordered yet, also take a look at RockAuto.

Last edited by runner140*; 04-19-2018 at 11:06 AM.
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