High Pitched Whine (Not Rear End)

[ssmith100]

I am re-resurecting this thread again. Car is getting worse and they still can't fix the problem. I've had a drivetrain guy take a look and he feels like the problem is coming from the rear. Unfortunatly he didn't have a way to get the car up in the air and put the wheels on a load. If anyone else has had this same problem or had it fixed I would love to know.

Thanks,
Shane

[Rich H]

I posted on this thread a while back saying that I thought the noise coming from my car (more of a squeal than a whine) was coming from a wheel bearing. Well the dealer agreed and replaced the right front wheel hub. Unfortunately that didn't solve the problem. They then diagnosed a "dry" center support driveshaft bearing. They tried lubing it but that didn't work. So they replaced the whole drive shaft assembly which included the bearing last Fri and that seems to have solved the problem - for now.

The noise was intermittent and gradually got worse so they could diagose it up on the lift with a stethoscope - but I'm not sure how or if they were able to apply any load to the drive train. Good luck finding your problem.

[NormV]

Like ewill mentioned you can turn off the engine at cruise to determine if it is pump related or not.

For suspension I'd try loading and and unloading using the steering wheel and brakes at the speed you hear it. Even put in the clutch would eliminate drive shaft support bushing.

I have a nice vibration at 80 mph accel or decel, but not at cruise. Noise starts at 30ish and is grainy. Put it in 5th it goes away. Go to same rpms in 5th it goes away. Light cruise turning left it is noise than going straight or right. It is not getting any worse with a road course day so I am not worried. Just wiggle the wheel once a week to make sure it will not fall off.

Actually pin pointed a warmer left rear bearing compared to RR and the left was always warmer after a highway cruise. But did not loosen up I until 5K miles.

Keep is up to date,
Norm

[LV_V]

I also have had this high pitched "whirring" noise that comes and goes. Its getting to the point where its annoying the $hit out of me, but every person who rides in my car asks me WTF that noise is. Wonderful, eh?

I want to take it into the dealership, but always have an issue with intermittent things like this being dismissed as "not re-reproduceable" by the dealer. Any advice? Maybe take it in, tell them the symptoms, and mention the drive shaft support bushing?

[CadiBlk]

From the depths.

I am fortunate enough to enjoy this harmonizing tone coming from right rear area, randomly. It's not the diff, I've had that whine and am I on a fresh diff.

The tone I am referring to sounds like when you run a water facet or shower and you move the facet or shower head so that the flow is constricted.

It comes at highway speeds (>45). The tone will increase with speed, but at a certain point, the tone will reach constant even if accelerating . The tone will change while decreasing and using the brakes changes the tone. The tone will sometimes stay at speeds below 45 but at a stop the tone goes away.

I used the water example of the tone so people can get an idea of what it sounds like. I don't know if it is fuel pump like discussed or half shaft. I just used the water flow as example, my sound could be coming from metal on metal action.

The sound happens pretty randomly and I am interested to see if it comes when I am half full of fuel. I know this is an old thread, but I am hoping someone remembers a mention of a fix or is currently experiencing this. My warranty is up in a couple weeks and I would like to get this fixed. I don't want to extend the warranty in fear of this because I have plans for a few warranty voiding mods...

[Albertan]

Any chance it is coming from the heater core? I seem to remember there was a restriction somewhere in there on some cars.

[CadiBlk]

I have yet to have someone in the car with me while it was happening, but it sounds like it is coming from under the rear seat. I folded down the rear seat backs and it didn't seem to help with the diagnosis. At 70mph when it is happening it is real loud, I can hear it over my radio and my headers. Also it doesn't help that I have to driving highway speeds while trying to figure it out, danger.

I'm not 100% but I believe the heater core is under the hood? So I think that is not my problem. Any advice helps, thank you.

[urbanski]

rip shane's car.

[bandit6678]

I used to have a whine in my 78 trans am, It was a really odd sound and would change with the speed/ rpms of the car. I think I tuned out to be either a vacuum leak or a bad intake gasket. My Jetta used to have a whine whih was the alternator

[ssmith100]

I thought once I got this fixed I posted it in this thread. The problem is the carrier bearing in the two piece driveshaft. Once I convinced them to replace the drive shaft it went away. Car was quiet as can be. Hope this helps someone.

Thanks Urb, gone but not forgotten. I do kind of miss the girl.

Shane

[CadiBlk]

Originally Posted by ssmith100

I thought once I got this fixed I posted it in this thread. The problem is the carrier bearing in the two piece driveshaft. Once I convinced them to replace the drive shaft it went away. Car was quiet as can be. Hope this helps someone.

Thanks Urb, gone but not forgotten. I do kind of miss the girl.

Shane

Thank you for coming back and for the information on this topic.

Where there any visible signs that was the culprit? I feel that my shody explanation and the randomness of the noise appearing that they won't get any physical evidence. So if there were something that they could see or inspect, might help me get them on board.

Thanks again for your help. This has been bothering me.

[CadzillaTN]

post deleted

[thebigjimsho]

I think Shane should get an honorary lifetime Supporting Membership for his valuable poasts and info...

[ssmith100]

Actually I got the info from one of the other forums I think. My wife works for the dealership and I eat dinner with the service manager all the time so they got tired of me bitching. Basically they just replaced it to appease me and guess what...fixed the problem. Ther earen't any visual signs to see but it "was" the problem.

Thanks Jim. Yes, I still hang out here to help out if possible.

Shane

[GMBOUND]

So after you totalled it you found out how to fix the whine?
I told you all that talk of selling it wasn't good.
Thanks for the fix, i'm definately taking note of it.