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re: Mechanic help needed - wife's car makes a weird noise that I can't pinpoint

Posted on 12/2/20 at 9:35 am to
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41774 posts
Posted on 12/2/20 at 9:35 am to
quote:

What year model is it?


2011
Posted by pjab
Member since Mar 2016
5653 posts
Posted on 12/2/20 at 9:35 am to
Posted by Jimbeaux
Member since Sep 2003
20160 posts
Posted on 12/2/20 at 9:35 am to
Is this correct: It doesn’t make the sound while running in your driveway in park/neutral no matter the RPM’s even after warmed up? It ONLY makes the sound while the wheels are turning at speeds greater than 30/40?

I’d so, then it might be a wheel/axle problem and not an engine problem.

Wheel bearings? CV joints?

Posted by sleepytime
Member since Feb 2014
3591 posts
Posted on 12/2/20 at 9:36 am to
Can you describe the noise a little more...is it a high pitched whine, a scraping noise, etc. does it make the noise if you are parked and rev the engine up? Can you hear it if you are parked and turn the steering wheel from side to side?

Look under the car and see if there is a stick or something dragging the ground.
Posted by Dawginthewoods
Oconee National Forest
Member since Nov 2017
315 posts
Posted on 12/2/20 at 9:37 am to
quote:

I don't think I trust my wife that much


Understood. Lol

Edit: If the noise only increase with speed and not Rpms it would seem, more than likely, it has more to do with the drive terrain than the motor.
This post was edited on 12/2/20 at 9:43 am
Posted by Jimbeaux
Member since Sep 2003
20160 posts
Posted on 12/2/20 at 9:37 am to
Also, does the sound stop after/during the time that you apply the brakes?
Posted by White Bear
Yonnygo
Member since Jul 2014
14078 posts
Posted on 12/2/20 at 9:37 am to
quote:

the wheel bearings can be an issue with the accord
jack it up and rotate the wheels to check for slack, grinding, noise, etc.
Posted by IAmNERD
Member since May 2017
19332 posts
Posted on 12/2/20 at 9:38 am to
quote:

wheel bearings

My first thought as well. I had a '01 back in the day that I had to replace wheel bearings on and the situation sounds very similar.
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41774 posts
Posted on 12/2/20 at 9:38 am to
quote:

Is this correct: It doesn’t make the sound while running in your driveway in park/neutral no matter the RPM’s even after warmed up? It ONLY makes the sound while the wheels are turning at speeds greater than 30/40?

Correct
quote:

I’d so, then it might be a wheel/axle problem and not an engine problem.

Wheel bearings? CV joints?

I don't think it's wheel bearings because the noise is steady and doesn't get louder the faster I go. I have no idea about the CV joints.


quote:

Can you describe the noise a little more...is it a high pitched whine, a scraping noise, etc. does it make the noise if you are parked and rev the engine up? Can you hear it if you are parked and turn the steering wheel from side to side?

It's sort of a high-pitched whining noise but I wouldn't describe it as a scraping or grinding noise. If I sit parked and rev the engine up, I don't hear it at all. I looked under to see if anything is dragging the ground and nothing.
Posted by chinhoyang
Member since Jun 2011
23686 posts
Posted on 12/2/20 at 9:38 am to
quote:

Wheel bearings? CV joints?



Sounds like it if the noise doesn't occur when the engine is revved except the fact that the noise is steady isn't consistent with a bearing or CV joint (at least on an American made vehicle). Is there some fan that turns on at certain speed in the car? That would make a steady noise if the fan bearing was going out. I really can't think of anything else that would make noise and remain steady as speed increased.
This post was edited on 12/2/20 at 9:48 am
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41774 posts
Posted on 12/2/20 at 9:39 am to
quote:

Also, does the sound stop after/during the time that you apply the brakes?

No, I don't think so but I haven't tried that to make sure so I may be wrong.
Posted by Jvalhenson
Member since Sep 2017
372 posts
Posted on 12/2/20 at 9:39 am to
try rotating the tires first. while its jacked up you can check the wheel bearings etc see if there is any play in the tire at all and rotating the tires will either stop or change the noise if it isnt a wheel bearing type issue. Cupped tires on the front can make all kinda strange noises and often only at speed
This post was edited on 12/2/20 at 9:41 am
Posted by X123F45
Member since Apr 2015
27514 posts
Posted on 12/2/20 at 9:41 am to
It's a Honda Accord, so likely all the wheel bearings are fricked anyway. Even though I don't think that's it
Posted by Jimbeaux
Member since Sep 2003
20160 posts
Posted on 12/2/20 at 9:42 am to
Is it possible that you drained the transmission fluid by accident?
Posted by VolsOut4Harambe
Atlanta, GA
Member since Sep 2017
12856 posts
Posted on 12/2/20 at 9:43 am to
quote:

It lost some oil after I changed it because I didn't put the filter on tight enough


Oof. You know the rule right? Quarter of a turn once you feel some resistance.

quote:

When I drive it, the noise starts at around 30-35 mph and never gets any louder regardless of how much faster I drive. The noise doesn't change at all and is constant whether I'm driving 70mph or 40mph but does start to "wind down", so to speak, as I slow from 40 down to 30 until it goes away all together.


What year Accord? The variable valve timing system in most Honda engines is controlled by oil pressure. When the oil leaked out from the filter area, this system may have gotten screwed up. So when you're accelerating and the cams are opened more it's fine, but when you're cruising perhaps the system is malfunctioning. You may have a faulty VVT solenoid or VTC actuator which is causing the cams to stay partially open or shut depending on where they're stuck. Is the check engine light on?
This post was edited on 12/2/20 at 9:46 am
Posted by Boudreaux35
BR
Member since Sep 2007
21611 posts
Posted on 12/2/20 at 9:44 am to
quote:

Wheel bearings?


Another vote from me on that.
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41774 posts
Posted on 12/2/20 at 9:45 am to
quote:

Is it possible that you drained the transmission fluid by accident?

Wouldn’t I know that right away? I’ve driven a vehicle when the power steering went out and damn near got broadsided by an 18 wheeler because of it.
Posted by OweO
Plaquemine, La
Member since Sep 2009
114086 posts
Posted on 12/2/20 at 9:46 am to
I noticed the weird noise, but I just thought it was her being a little too rough with me.. If you know what I mean.
Posted by TDsngumbo
Alpha Silverfox
Member since Oct 2011
41774 posts
Posted on 12/2/20 at 9:47 am to
quote:

The variable valve timing system in most Honda engines is controlled by oil pressure. When the oil leaked out from the filter area, this system may have gotten screwed up. So when you're accelerating and the cams are opened more it's fine, but when you're cruising perhaps the system is malfunctioning. You may have a faulty VVT solenoid or VTC actuator which is causing the cams to stay partially open or shut depending on where they're stuck.



quote:

Is the check engine light on?

No
Posted by sleepytime
Member since Feb 2014
3591 posts
Posted on 12/2/20 at 9:48 am to
Sounds like a wheel bearing is in the beginning stage of going out. Possibly an alternator diode. YouTube the sounds and see if either sounds familiar.
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