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Weird vibration at 45mph and 75+ mph

crxgator

Drag Race Newbie
So I get this vibration around 45mph usually when the car is cold. When the car is warm the vibration is above 75mph and can be felt in the gas pedal and steering wheel as well.

I've put on new tires, tried two sets of wheels, balanced them as well. Car has been aligned too.

The dealer recently replaced the bevel box as well. Now the dealer I have to go to isn't really mod friendly, so I don't wan to fight unless I know for sure what it might be and if it would be covered under warranty.

Think it could be the driveshaft not being aligned properly after bevel box install?
 

GolfRRRR1

Ready to race!
Location
Michigan
57.1mm center bore wheels or are you using hub rings? If you're using hub rings, then that's probably your issue.
 

jimlloyd40

Autocross Champion
Location
Phoenix
Car(s)
2018 SE DSG
two sets of wheels have been tried. All wheels balanced out fine. None bent.
Probably wheel bearing. Drive at the speed you said you feel the vibration and swerve back and forth. If it changes it's probably a wheel bearing.
 
I have a similar issue in which when cold, I will get what feels like an wheel with a bubble in it. It goes away after a few miles. However, I get what sounds like something rubbing if I turn the wheel slightly left at highways speeds. I suspect an axle and possibly a wheel bearing. 66k on the car.
Similar to the owner of this thread, I have 2 sets of wheels and tires. Both professionally mounted and balanced.
 

GolfRRRR1

Ready to race!
Location
Michigan
I have a similar issue in which when cold, I will get what feels like an wheel with a bubble in it. It goes away after a few miles. However, I get what sounds like something rubbing if I turn the wheel slightly left at highways speeds. I suspect an axle and possibly a wheel bearing. 66k on the car.
Similar to the owner of this thread, I have 2 sets of wheels and tires. Both professionally mounted and balanced.
Do you have Continental Tires? If the vibration goes away after a couple miles it would seem like you have flat spots due to sitting, then after the tires warm up a bit they round out. I had this issue with my Conti Extreme DW tires on my Pontiac G8, after sitting for a while they would vibrate for the first few miles until they 'relaxed' again.
As for the rubbing, I'm not sure.
 

Faceman

Drag Racing Champion
Location
Long Island
Car(s)
'17 GSW 4Motion
Do you have Continental Tires? If the vibration goes away after a couple miles it would seem like you have flat spots due to sitting, then after the tires warm up a bit they round out. I had this issue with my Conti Extreme DW tires on my Pontiac G8, after sitting for a while they would vibrate for the first few miles until they 'relaxed' again.
As for the rubbing, I'm not sure.
The DW were notorious for balancing issues as well.
 
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