intermittent vibrations 55+ mph
Thread Starter
8th Gear
Joined: Dec 2012
Posts: 8
Likes: 0
intermittent vibrations 55+ mph
I own a 1999 Corvette C5 with 29,000 miles on it.
I'm having a vibration-two second gap-vibration in the 55-65 mph range felt through the gas pedal, seats, and just about all around except the steering wheel.
it is more apparent through the steering wheel at higher speeds such as 70+
on hard banking turns on left front side a small bump is at a specific point when the tire rotates like clockwork
-tires with 2,000 miles on them,
-rims are not bent (already checked)
car was lifted to see if any of the suspensions rubber is rotted.
only thing that could use a replacement rubber wise is swaybar bushings and end links which i dont see why would be the cause of this
tires were balanced on a Roadforce machine
My guess is the wheel bearings are just dried out from the car not getting more then 2,000 miles a year but im not an expert.
Any help is greatly appreciated thank you
I'm having a vibration-two second gap-vibration in the 55-65 mph range felt through the gas pedal, seats, and just about all around except the steering wheel.
it is more apparent through the steering wheel at higher speeds such as 70+
on hard banking turns on left front side a small bump is at a specific point when the tire rotates like clockwork
-tires with 2,000 miles on them,
-rims are not bent (already checked)
car was lifted to see if any of the suspensions rubber is rotted.
only thing that could use a replacement rubber wise is swaybar bushings and end links which i dont see why would be the cause of this
tires were balanced on a Roadforce machine
My guess is the wheel bearings are just dried out from the car not getting more then 2,000 miles a year but im not an expert.
Any help is greatly appreciated thank you
Instructor
Joined: Oct 2012
Posts: 128
Likes: 0
From: Billings MT
I own a 1999 Corvette C5 with 29,000 miles on it.
I'm having a vibration-two second gap-vibration in the 55-65 mph range felt through the gas pedal, seats, and just about all around except the steering wheel.
it is more apparent through the steering wheel at higher speeds such as 70+
on hard banking turns on left front side a small bump is at a specific point when the tire rotates like clockwork
-tires with 2,000 miles on them,
-rims are not bent (already checked)
car was lifted to see if any of the suspensions rubber is rotted.
only thing that could use a replacement rubber wise is swaybar bushings and end links which i dont see why would be the cause of this
tires were balanced on a Roadforce machine
My guess is the wheel bearings are just dried out from the car not getting more then 2,000 miles a year but im not an expert.
Any help is greatly appreciated thank you
I'm having a vibration-two second gap-vibration in the 55-65 mph range felt through the gas pedal, seats, and just about all around except the steering wheel.
it is more apparent through the steering wheel at higher speeds such as 70+
on hard banking turns on left front side a small bump is at a specific point when the tire rotates like clockwork
-tires with 2,000 miles on them,
-rims are not bent (already checked)
car was lifted to see if any of the suspensions rubber is rotted.
only thing that could use a replacement rubber wise is swaybar bushings and end links which i dont see why would be the cause of this
tires were balanced on a Roadforce machine
My guess is the wheel bearings are just dried out from the car not getting more then 2,000 miles a year but im not an expert.
Any help is greatly appreciated thank you
Thread Starter
8th Gear
Joined: Dec 2012
Posts: 8
Likes: 0
Tried it, no play and when the wheel was spun while jacked there is no grinding....granted things can be different when the tire is under weight, i might just be catching the issue extremely early or its something else but its the only thing that makes sense
Thread Starter
8th Gear
Joined: Dec 2012
Posts: 8
Likes: 0
I have the stock ones
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Thread Starter
8th Gear
Joined: Dec 2012
Posts: 8
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Advanced
Joined: Dec 2012
Posts: 58
Likes: 1
Im no expert on Vettes, but I have been a Mechanic all my life. Your issue could be in the shock absorber. If the wheel/tire is balanced and the bearings are ok its very possible that you have a "flat" shock absorber.
A harmonic imbalance from a flat or dead shock absorber could cause these conditions.
Just an idea to look at.
A harmonic imbalance from a flat or dead shock absorber could cause these conditions.
Just an idea to look at.
Thread Starter
8th Gear
Joined: Dec 2012
Posts: 8
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I've decided to take it to corvette world in Carrollton. balance, alignment, and bearings later i am lost.
The person who accepted my car says it can still be the wheels/rims even though they have only 2,000 miles on them. hopefully this repair doesn't cost much more
The person who accepted my car says it can still be the wheels/rims even though they have only 2,000 miles on them. hopefully this repair doesn't cost much more
Team Owner
Joined: Mar 2002
Posts: 24,160
Likes: 78
These newer bearings have to practically fall apart before they exhibit any noticeable play. I just replaced one in my wife's Grand Prix. The thing was howling so loud you couldn't hold a conversation in the car anymore. There was 0 zero play in the wheel no matter how I pushed or pulled on it, but when I pulled the bearing and rotated it by hand *crunch* *crunch* *crunch* it went.
Thread Starter
8th Gear
Joined: Dec 2012
Posts: 8
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I have had three separate companies balance the tires so far.....Discount tires, Corvette world, and even a NTB....every time i got it back i still had a vibration :-(
Thread Starter
8th Gear
Joined: Dec 2012
Posts: 8
Likes: 0
These newer bearings have to practically fall apart before they exhibit any noticeable play. I just replaced one in my wife's Grand Prix. The thing was howling so loud you couldn't hold a conversation in the car anymore. There was 0 zero play in the wheel no matter how I pushed or pulled on it, but when I pulled the bearing and rotated it by hand *crunch* *crunch* *crunch* it went.
I'm starting to think from what I've read is it can be the Torque Tube Bushings and am hoping someone can maybe shed some light on this.
The car has sat alot of its life and the rubber could be dried out?!?