2007 suburban vibration

[traveus]

So under hard expectations I get a vibration in the steering wheel. At about 40-45 I get the same vibration then it goes away until 60-75 when it gets much worst.
So far I have checked the motor mounts by giving it gas in drive and reverse. The motor flexes the same both ways. I’ve greased the front and rear drive shafts going into the transfer case with marine grease. Checked all the u-joint. Had the tires road forced balanced twice under belle tire warranty. Had the aliment checked.
I’m pretty stumped on what to do next.


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[techbiker]

So under hard expectations I get a vibration in the steering wheel. At about 40-45 I get the same vibration then it goes away until 60-75 when it gets much worst.
So far I have checked the motor mounts by giving it gas in drive and reverse. The motor flexes the same both ways. I’ve greased the front and rear drive shafts going into the transfer case with marine grease. Checked all the u-joint. Had the tires road forced balanced twice under belle tire warranty. Had the aliment checked.
I’m pretty stumped on what to do next.


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1. This might sound like a stretch but do you have a dented or cracked wheel?

2. Did you verify that your motor mounts aren't broken? Your motor really shouldn't move much.

 

[traveus]

Well for anyone else having this same vibration going on, my fix was a new rear drive shaft.


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[swathdiver]

Balance your front tires. A vibration in the steering wheel is almost always attributed to this. A wheel weight may have fallen off or its just plumb time to do it again. Take it to another shop and have them balance the tires or just rotate them and see if the source of the vibration changes.

 

[traveus]

Balance your front tires. A vibration in the steering wheel is almost always attributed to this. A wheel weight may have fallen off or its just plumb time to do it again. Take it to another shop and have them balance the tires or just rotate them and see if the source of the vibration changes.

I’ve had all the tires road force balanced 3 times all by different shops. Replaced both u-joints on the old shaft. Then payed almost 400 for a new shaft. She rides like brand new now. [emoji108]


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[Sunny]

Well for anyone else having this same vibration going on, my fix was a new rear drive shaft.


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Hello I do have some mild vibration @ 55 to 60mph , its comes only while crusing light touch on gas pedal and goes away soon as I release the pedal.
was the same thing with yours ??.
so far I have balanced my tires couple of times, changed the yoke , u-joints but still there I don't know what shld I go with next, oh yea I even balanced the drive shaft .
plz any info that can help .

 

[Doubeleive]

Hello I do have some mild vibration @ 55 to 60mph , its comes only while crusing light touch on gas pedal and goes away soon as I release the pedal.
was the same thing with yours ??.
so far I have balanced my tires couple of times, changed the yoke , u-joints but still there I don't know what shld I go with next, oh yea I even balanced the drive shaft .
plz any info that can help .

That sounds like the afm kicking on/off

 

[Sunny]

That sounds like the afm kicking on/off

Its not afm as I have range tech , its feels like rotation vibration .rubbing kinda feeling its comes goes ,I was reading online others have vibrations pointed out abt torque convertor but I cannot diagnose .I even showed to my mechanic he say wait until this gets more worst or throws a code .

 

[Doubeleive]

pinion bearing and u-joints will cause a vibration also

 

[traveus]

Hello I do have some mild vibration @ 55 to 60mph , its comes only while crusing light touch on gas pedal and goes away soon as I release the pedal.
was the same thing with yours ??.
so far I have balanced my tires couple of times, changed the yoke , u-joints but still there I don't know what shld I go with next, oh yea I even balanced the drive shaft .
plz any info that can help .

Have you checked the Motor mounts?
My vibration was with hard acceleration and horrible vibration around 65-80.
Did they say anything about your drive shaft when they balanced it?


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