Vibration issue
Thread Starter
Instructor
Joined: Jul 2013
Posts: 224
Likes: 0
From: Worcester MA
Vibration issue
Developed a vibration in the Vette today. It seams to be in the back and I can feel it start at 60 MPH. It's kind of a pulsing vibration and can feel through the seat. Possible wheel bearing perhaps? I don't know
Tech Contributor
Joined: Dec 1999
Posts: 32,910
Likes: 2,402
From: Anthony TX
CI 6,7,8,9,11 Vet
St. Jude Donor '08
Could be a number of things. CV Joint, wheel weight, Hub assy,, bent rim or bad tire.
Jack the rear and grab the rear wheel at 3-9 and 6-12 O clock and see if there is any lost motion/free play. Shouldnt be any.
Run the engine up to 40 mph and see if there is any wobble or off vibrations.
BC
Jack the rear and grab the rear wheel at 3-9 and 6-12 O clock and see if there is any lost motion/free play. Shouldnt be any.
Run the engine up to 40 mph and see if there is any wobble or off vibrations.
BC
Thread Starter
Instructor
Joined: Jul 2013
Posts: 224
Likes: 0
From: Worcester MA
Could be a number of things. CV Joint, wheel weight, Hub assy,, bent rim or bad tire.
Jack the rear and grab the rear wheel at 3-9 and 6-12 O clock and see if there is any lost motion/free play. Shouldnt be any.
Run the engine up to 40 mph and see if there is any wobble or off vibrations.
BC
Jack the rear and grab the rear wheel at 3-9 and 6-12 O clock and see if there is any lost motion/free play. Shouldnt be any.
Run the engine up to 40 mph and see if there is any wobble or off vibrations.
BC
Melting Slicks
Joined: Jun 2012
Posts: 3,163
Likes: 6
From: Oceanside California
Year and miles of/on the vehicle? T-tube couplers could be on their way out. I'd say it likely wheel weights that came off. If its a sudden thing, only at high speed, and is a clearly rotational pulsing feeling vibration.
Thread Starter
Instructor
Joined: Jul 2013
Posts: 224
Likes: 0
From: Worcester MA
I can only feel the vibration when going 60 or faster, not sure if I am describing it correctly but its pluses. Its there for a few seconds and then gone for a second and then its there for a few seconds. The interval does not increase with speed as well just get stronger.
Strange...
Thread Starter
Instructor
Joined: Jul 2013
Posts: 224
Likes: 0
From: Worcester MA
Just checked the wheel hub and both appear to be good, no movement what so ever. I also checked to make sure the weights are still are still on the wheel and they are... like I said strange
is there away to check the T Tube Coupler? or di I need to take it to a shop for this.
is there away to check the T Tube Coupler? or di I need to take it to a shop for this.
Racer
Joined: Mar 2014
Posts: 410
Likes: 3
From: Garland Texas
I have the same pulsating (on/off) vibration that it seems you are describing at any speed above 35 or 40 or so. However, when I am driving down the road and turn the wheel to the right, the vibration goes away. When I turn the wheel to the left, it gets worse, its almost like it is a constant vibration. This leads me to believe that it is a wheel bearing on the right side but I have checked all 4 (the 12/6 and the 3/9 position, yanking on the tire in opposite directions of each other) wheels but the bearings feel fine, no movement.
Does yours do the same thing? I'd like to see what other member's comments are on your thread that may help my issue as well. Thanks!
Does yours do the same thing? I'd like to see what other member's comments are on your thread that may help my issue as well. Thanks!
Racer
Joined: Mar 2014
Posts: 410
Likes: 3
From: Garland Texas
I have the same pulsating (on/off) vibration that it seems you are describing at any speed above 35 or 40 or so. However, when I am driving down the road and turn the wheel to the right, the vibration goes away. When I turn the wheel to the left, it gets worse, its almost like it is a constant vibration. This leads me to believe that it is a wheel bearing on the right side but I have checked all 4 (the 12/6 and the 3/9 position, yanking on the tire in opposite directions of each other) wheels but the bearings feel fine, no movement.
Does yours do the same thing? I'd like to see what other member's comments are on your thread that may help my issue as well. Thanks!
Does yours do the same thing? I'd like to see what other member's comments are on your thread that may help my issue as well. Thanks!
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Thread Starter
Instructor
Joined: Jul 2013
Posts: 224
Likes: 0
From: Worcester MA
I have the same pulsating (on/off) vibration that it seems you are describing at any speed above 35 or 40 or so. However, when I am driving down the road and turn the wheel to the right, the vibration goes away. When I turn the wheel to the left, it gets worse, its almost like it is a constant vibration. This leads me to believe that it is a wheel bearing on the right side but I have checked all 4 (the 12/6 and the 3/9 position, yanking on the tire in opposite directions of each other) wheels but the bearings feel fine, no movement.
Does yours do the same thing? I'd like to see what other member's comments are on your thread that may help my issue as well. Thanks!
Does yours do the same thing? I'd like to see what other member's comments are on your thread that may help my issue as well. Thanks!